Company lists · Data refreshed September 2026
Top 25 Water quality management consultants worldwide
RevenueBase identified 9,859 company matches for water quality management consultants worldwide as of September 2026 and tracks 163,525 professional contacts across them, including 52,700 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers company matches for water quality management consultants worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026. Country and city lists for water quality management consultants follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest water quality management consultants worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 12,999 contacts → | ||||
Exact match “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 3,810 contacts → | ||||
Exact match “At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 3,095 contacts → | ||||
Exact match “At Hach, we ensure water quality for people around the world, and every associate plays a vital role in that mission.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 2,473 contacts → | ||||
Exact match “Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 2,145 contacts → | ||||
Exact match “Civil & Environmental Consultants, Inc.(CEC) provides comprehensive market-oriented consulting services that advance the strategic business objectives of its clients.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 2,100 contacts → | ||||
Exact match “As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 1,718 contacts → | ||||
Exact match “For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 1,629 contacts → | ||||
Exact match “Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 1,427 contacts → | ||||
Exact match “There is no substitute for water.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 1,137 contacts → | ||||
Exact match “Who is Apex?” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 1,088 contacts → | ||||
Exact match “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 988 contacts → | ||||
Exact match “WSP en una empresa líder en servicios profesionales de consultoría en recursos hídricos, ingeniería, medio ambiente y sustentabilidad.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 961 contacts → | ||||
Exact match “Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 956 contacts → | ||||
Exact match “Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 865 contacts → | ||||
Exact match “ATC Group Services LLC is now Atlas.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 864 contacts → | ||||
Exact match “Chem-Aqua is a unique combination of knowledge, experience and stability.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 842 contacts → | ||||
Exact match “Together with our strategic partners, we can address everything from supporting vulnerable customers, water quality, asset performance and leak detection, to integrated planning…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 829 contacts → | ||||
Exact match “Ovivo is a powerful global brand, uniting world-renowned trademarks and a highly specialized team of 700 water treatment experts operating across the globe.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 781 contacts → | ||||
Exact match “By combining science, engineering, and technology with a true collaborative spirit, Foth has delivered innovative solutions to our clients since 1938.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 737 contacts → | ||||
Exact match “Antea Group est une société internationale d’ingénierie et de conseil en environnement.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 716 contacts → | ||||
Exact match “Our Vision To continuously advance water treatment, ensuring everyone has access to clean water, globally.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 609 contacts → | ||||
Exact match “Founded in 1904, Nijhuis Saur Industries provides solid and adaptive solutions for sustainable and resilient water use, energy- and resource recovery.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 607 contacts → | ||||
Exact match “Spécialiste du traitement de l’eau depuis plus de 80 ans, Culligan apporte chaque jour une eau de qualité aux particuliers, aux entreprises et aux collectivités.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 578 contacts → | ||||
Exact match “For over 100 years, Kennedy Jenks has provided engineering and scientific solutions for innovative water and environmental projects.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 577 contacts → | ||||
Exact match “Headquartered in Laramie, Wyoming, Trihydro provides environmental consulting, engineering and surveying, air quality and process management, information technology, and water and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “water quality management consultants”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 9,859 water quality management consultants worldwide
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Water quality management consultants worldwide at a glance
As of Sep 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for water quality management consultants are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “water quality management consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 52,700 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Water quality management consultants by location
45 lists · largest firstEvery Water quality management consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Water quality management consultants based in the United States2,548
- Water quality management consultants based in Brazil709
- Water quality management consultants based in India634
- Water quality management consultants based in Canada355
- Water quality management consultants based in the United Kingdom322
- Water quality management consultants based in Italy294
- Water quality management consultants based in France292
- Water quality management consultants based in Germany286
- Water quality management consultants based in Australia275
- Water quality management consultants based in Spain229
- Water quality management consultants based in Türkiye185
- Water quality management consultants based in Mexico171
- Water quality management consultants based in Colombia144
- Water quality management consultants based in South Africa123
- Water quality management consultants based in Indonesia120
- Water quality management consultants based in the Netherlands120
- Water quality management consultants based in Chile119
- Water quality management consultants based in Peru82
- Water quality management consultants based in Argentina76
- Water quality management consultants based in the United Arab Emirates75
- Water quality management consultants based in Malaysia73
- Water quality management consultants based in Sweden59
- Water quality management consultants based in New Zealand54
- Water quality management consultants based in the Philippines51
- Water quality management consultants based in Belgium49
- Water quality management consultants based in Portugal44
- Water quality management consultants based in Switzerland43
- Water quality management consultants based in Saudi Arabia35
- Water quality management consultants based in Austria34
- Water quality management consultants based in Israel33
- Water quality management consultants based in Greece31
- Water quality management consultants based in Ireland28
- Water quality management consultants based in Denmark27
- Water quality management consultants based in Finland25
- Water quality management consultants based in Norway25
Cities
- Water quality management consultants based in Sao Paulo, Brazil74
- Water quality management consultants based in Pune, India61
- Water quality management consultants based in Houston, United States55
- Water quality management consultants based in Ahmedabad, India43
- Water quality management consultants based in Rio De Janeiro, Brazil36
- Water quality management consultants based in Santiago, Chile35
- Water quality management consultants based in Chennai, India34
- Water quality management consultants based in Calgary, Canada33
- Water quality management consultants based in Mumbai, India32
- Water quality management consultants based in Belo Horizonte, Brazil30
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “water quality management consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many water quality management consultants are there worldwide?
RevenueBase identified 9,859 company matches for water quality management consultants worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Tetra Tech tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most water quality management consultants?
The United States leads with 2,548 companies, followed by Brazil (709) and India (634). Every water quality management consultants list by country and city is linked on this page.
Which city has the most water quality management consultants?
Sao Paulo leads with 74 company records, followed by Pune (61) and Houston (55).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 52,700 professional contacts with verified work emails tracked across these 9,859 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 9,859 water quality management consultants worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 water quality management consultants worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 9,859 matching company records for water quality management consultants worldwide, with 163,525 tracked contacts and 52,700 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 water quality management consultants worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 12,999 contacts → |
“Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ION Exchange India LTDionexchangeglobal.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 3,810 contacts → |
“At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Loveland, CO, United StatesReported employees: 1,001-5,000 | Loveland, CO, United States | 1,001-5,000 | Exact match | 3,095 contacts → |
“At Hach, we ensure water quality for people around the world, and every associate plays a vital role in that mission.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 2,473 contacts → |
“Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Moon Township, PA, United StatesReported employees: 1,001-5,000 | Moon Township, PA, United States | 1,001-5,000 | Exact match | 2,145 contacts → |
“Civil & Environmental Consultants, Inc.(CEC) provides comprehensive market-oriented consulting services that advance the strategic business objectives of its clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 2,100 contacts → |
“As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 1,718 contacts → |
“For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Phoenix, AZ, United StatesReported employees: 1,001-5,000 | Phoenix, AZ, United States | 1,001-5,000 | Exact match | 1,629 contacts → |
“Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Hørsholm, DenmarkReported employees: 1,001-5,000 | Hørsholm, Denmark | 1,001-5,000 | Exact match | 1,427 contacts → |
“There is no substitute for water.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Rockville, MD, United StatesReported employees: 1,001-5,000 | Rockville, MD, United States | 1,001-5,000 | Exact match | 1,137 contacts → |
“Who is Apex?” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Vitacura, ChileReported employees: 10001+ | Vitacura, Chile | 10001+ | Exact match | 988 contacts → |
“WSP en una empresa líder en servicios profesionales de consultoría en recursos hídricos, ingeniería, medio ambiente y sustentabilidad.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 961 contacts → |
“Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Decatur, AL, United StatesReported employees: 1,001-5,000 | Decatur, AL, United States | 1,001-5,000 | Exact match | 956 contacts → |
“Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Lafayette, LA, United StatesReported employees: 1,001-5,000 | Lafayette, LA, United States | 1,001-5,000 | Exact match | 865 contacts → |
“ATC Group Services LLC is now Atlas.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Wilmington, DE, United StatesReported employees: 10001+ | Wilmington, DE, United States | 10001+ | Exact match | 864 contacts → |
“Chem-Aqua is a unique combination of knowledge, experience and stability.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Redhill, United KingdomReported employees: 501-1,000 | Redhill, United Kingdom | 501-1,000 | Exact match | 842 contacts → |
“Together with our strategic partners, we can address everything from supporting vulnerable customers, water quality, asset performance and leak detection, to integrated planning…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Montreal, QC, CanadaReported employees: 501-1,000 | Montreal, QC, Canada | 501-1,000 | Exact match | 829 contacts → |
“Ovivo is a powerful global brand, uniting world-renowned trademarks and a highly specialized team of 700 water treatment experts operating across the globe.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: De Pere, WI, United StatesReported employees: 501-1,000 | De Pere, WI, United States | 501-1,000 | Exact match | 781 contacts → |
“By combining science, engineering, and technology with a true collaborative spirit, Foth has delivered innovative solutions to our clients since 1938.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Olivet, FranceReported employees: 1,001-5,000 | Olivet, France | 1,001-5,000 | Exact match | 737 contacts → |
“Antea Group est une société internationale d’ingénierie et de conseil en environnement.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: London, ON, CanadaReported employees: 501-1,000 | London, ON, Canada | 501-1,000 | Exact match | 716 contacts → |
“Our Vision To continuously advance water treatment, ensuring everyone has access to clean water, globally.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Doetinchem, NetherlandsReported employees: 1,001-5,000 | Doetinchem, Netherlands | 1,001-5,000 | Exact match | 609 contacts → |
“Founded in 1904, Nijhuis Saur Industries provides solid and adaptive solutions for sustainable and resilient water use, energy- and resource recovery.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Versailles, FranceReported employees: 1,001-5,000 | Versailles, France | 1,001-5,000 | Exact match | 607 contacts → |
“Spécialiste du traitement de l’eau depuis plus de 80 ans, Culligan apporte chaque jour une eau de qualité aux particuliers, aux entreprises et aux collectivités.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 578 contacts → |
“For over 100 years, Kennedy Jenks has provided engineering and scientific solutions for innovative water and environmental projects.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Laramie, WY, United StatesReported employees: 501-1,000 | Laramie, WY, United States | 501-1,000 | Exact match | 577 contacts → |
“Headquartered in Laramie, Wyoming, Trihydro provides environmental consulting, engineering and surveying, air quality and process management, information technology, and water and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 9,859 company matches
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Water quality management consultants: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
9,802 records in the displayed employee bands.
57 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 9,859 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Water quality management consultants by location
45 lists · largest firstEvery Water quality management consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Water quality management consultants based in the United States2,548
- Water quality management consultants based in Brazil709
- Water quality management consultants based in India634
- Water quality management consultants based in Canada355
- Water quality management consultants based in the United Kingdom322
- Water quality management consultants based in Italy294
- Water quality management consultants based in France292
- Water quality management consultants based in Germany286
- Water quality management consultants based in Australia275
- Water quality management consultants based in Spain229
- Water quality management consultants based in Türkiye185
- Water quality management consultants based in Mexico171
- Water quality management consultants based in Colombia144
- Water quality management consultants based in South Africa123
- Water quality management consultants based in Indonesia120
- Water quality management consultants based in the Netherlands120
- Water quality management consultants based in Chile119
- Water quality management consultants based in Peru82
- Water quality management consultants based in Argentina76
- Water quality management consultants based in the United Arab Emirates75
- Water quality management consultants based in Malaysia73
- Water quality management consultants based in Sweden59
- Water quality management consultants based in New Zealand54
- Water quality management consultants based in the Philippines51
- Water quality management consultants based in Belgium49
- Water quality management consultants based in Portugal44
- Water quality management consultants based in Switzerland43
- Water quality management consultants based in Saudi Arabia35
- Water quality management consultants based in Austria34
- Water quality management consultants based in Israel33
- Water quality management consultants based in Greece31
- Water quality management consultants based in Ireland28
- Water quality management consultants based in Denmark27
- Water quality management consultants based in Finland25
- Water quality management consultants based in Norway25
Cities
- Water quality management consultants based in Sao Paulo, Brazil74
- Water quality management consultants based in Pune, India61
- Water quality management consultants based in Houston, United States55
- Water quality management consultants based in Ahmedabad, India43
- Water quality management consultants based in Rio De Janeiro, Brazil36
- Water quality management consultants based in Santiago, Chile35
- Water quality management consultants based in Chennai, India34
- Water quality management consultants based in Calgary, Canada33
- Water quality management consultants based in Mumbai, India32
- Water quality management consultants based in Belo Horizonte, Brazil30
Questions about this company list
What does Exact match mean for water quality management consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many water quality management consultants did RevenueBase find worldwide?
The saved snapshot records 9,859 matching company records, 163,525 tracked contacts and 52,700 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 water quality management consultants worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/water-quality-management-consultants.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 25 water quality management consultants worldwide
RevenueBase records 9,859 matching company records for water quality management consultants worldwide, with 163,525 tracked contacts and 52,700 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 water quality management consultants worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 12,999 contacts → |
“Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ION Exchange India LTDionexchangeglobal.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 3,810 contacts → |
“At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Loveland, CO, United StatesReported employees: 1,001-5,000 | Loveland, CO, United States | 1,001-5,000 | Exact match | 3,095 contacts → |
“At Hach, we ensure water quality for people around the world, and every associate plays a vital role in that mission.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 2,473 contacts → |
“Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Moon Township, PA, United StatesReported employees: 1,001-5,000 | Moon Township, PA, United States | 1,001-5,000 | Exact match | 2,145 contacts → |
“Civil & Environmental Consultants, Inc.(CEC) provides comprehensive market-oriented consulting services that advance the strategic business objectives of its clients.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 2,100 contacts → |
“As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 1,718 contacts → |
“For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Phoenix, AZ, United StatesReported employees: 1,001-5,000 | Phoenix, AZ, United States | 1,001-5,000 | Exact match | 1,629 contacts → |
“Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Hørsholm, DenmarkReported employees: 1,001-5,000 | Hørsholm, Denmark | 1,001-5,000 | Exact match | 1,427 contacts → |
“There is no substitute for water.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Rockville, MD, United StatesReported employees: 1,001-5,000 | Rockville, MD, United States | 1,001-5,000 | Exact match | 1,137 contacts → |
“Who is Apex?” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Vitacura, ChileReported employees: 10001+ | Vitacura, Chile | 10001+ | Exact match | 988 contacts → |
“WSP en una empresa líder en servicios profesionales de consultoría en recursos hídricos, ingeniería, medio ambiente y sustentabilidad.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 961 contacts → |
“Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Decatur, AL, United StatesReported employees: 1,001-5,000 | Decatur, AL, United States | 1,001-5,000 | Exact match | 956 contacts → |
“Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Lafayette, LA, United StatesReported employees: 1,001-5,000 | Lafayette, LA, United States | 1,001-5,000 | Exact match | 865 contacts → |
“ATC Group Services LLC is now Atlas.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Wilmington, DE, United StatesReported employees: 10001+ | Wilmington, DE, United States | 10001+ | Exact match | 864 contacts → |
“Chem-Aqua is a unique combination of knowledge, experience and stability.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Redhill, United KingdomReported employees: 501-1,000 | Redhill, United Kingdom | 501-1,000 | Exact match | 842 contacts → |
“Together with our strategic partners, we can address everything from supporting vulnerable customers, water quality, asset performance and leak detection, to integrated planning…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Montreal, QC, CanadaReported employees: 501-1,000 | Montreal, QC, Canada | 501-1,000 | Exact match | 829 contacts → |
“Ovivo is a powerful global brand, uniting world-renowned trademarks and a highly specialized team of 700 water treatment experts operating across the globe.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: De Pere, WI, United StatesReported employees: 501-1,000 | De Pere, WI, United States | 501-1,000 | Exact match | 781 contacts → |
“By combining science, engineering, and technology with a true collaborative spirit, Foth has delivered innovative solutions to our clients since 1938.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Olivet, FranceReported employees: 1,001-5,000 | Olivet, France | 1,001-5,000 | Exact match | 737 contacts → |
“Antea Group est une société internationale d’ingénierie et de conseil en environnement.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: London, ON, CanadaReported employees: 501-1,000 | London, ON, Canada | 501-1,000 | Exact match | 716 contacts → |
“Our Vision To continuously advance water treatment, ensuring everyone has access to clean water, globally.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Doetinchem, NetherlandsReported employees: 1,001-5,000 | Doetinchem, Netherlands | 1,001-5,000 | Exact match | 609 contacts → |
“Founded in 1904, Nijhuis Saur Industries provides solid and adaptive solutions for sustainable and resilient water use, energy- and resource recovery.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Versailles, FranceReported employees: 1,001-5,000 | Versailles, France | 1,001-5,000 | Exact match | 607 contacts → |
“Spécialiste du traitement de l’eau depuis plus de 80 ans, Culligan apporte chaque jour une eau de qualité aux particuliers, aux entreprises et aux collectivités.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 578 contacts → |
“For over 100 years, Kennedy Jenks has provided engineering and scientific solutions for innovative water and environmental projects.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Laramie, WY, United StatesReported employees: 501-1,000 | Laramie, WY, United States | 501-1,000 | Exact match | 577 contacts → |
“Headquartered in Laramie, Wyoming, Trihydro provides environmental consulting, engineering and surveying, air quality and process management, information technology, and water and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 9,859 company matches
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Water quality management consultants: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
9,802 records in the displayed employee bands.
57 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 9,859 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Water quality management consultants by location
45 lists · largest firstEvery Water quality management consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Water quality management consultants based in the United States2,548
- Water quality management consultants based in Brazil709
- Water quality management consultants based in India634
- Water quality management consultants based in Canada355
- Water quality management consultants based in the United Kingdom322
- Water quality management consultants based in Italy294
- Water quality management consultants based in France292
- Water quality management consultants based in Germany286
- Water quality management consultants based in Australia275
- Water quality management consultants based in Spain229
- Water quality management consultants based in Türkiye185
- Water quality management consultants based in Mexico171
- Water quality management consultants based in Colombia144
- Water quality management consultants based in South Africa123
- Water quality management consultants based in Indonesia120
- Water quality management consultants based in the Netherlands120
- Water quality management consultants based in Chile119
- Water quality management consultants based in Peru82
- Water quality management consultants based in Argentina76
- Water quality management consultants based in the United Arab Emirates75
- Water quality management consultants based in Malaysia73
- Water quality management consultants based in Sweden59
- Water quality management consultants based in New Zealand54
- Water quality management consultants based in the Philippines51
- Water quality management consultants based in Belgium49
- Water quality management consultants based in Portugal44
- Water quality management consultants based in Switzerland43
- Water quality management consultants based in Saudi Arabia35
- Water quality management consultants based in Austria34
- Water quality management consultants based in Israel33
- Water quality management consultants based in Greece31
- Water quality management consultants based in Ireland28
- Water quality management consultants based in Denmark27
- Water quality management consultants based in Finland25
- Water quality management consultants based in Norway25
Cities
- Water quality management consultants based in Sao Paulo, Brazil74
- Water quality management consultants based in Pune, India61
- Water quality management consultants based in Houston, United States55
- Water quality management consultants based in Ahmedabad, India43
- Water quality management consultants based in Rio De Janeiro, Brazil36
- Water quality management consultants based in Santiago, Chile35
- Water quality management consultants based in Chennai, India34
- Water quality management consultants based in Calgary, Canada33
- Water quality management consultants based in Mumbai, India32
- Water quality management consultants based in Belo Horizonte, Brazil30
Questions about this company list
What does Exact match mean for water quality management consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many water quality management consultants did RevenueBase find worldwide?
The saved snapshot records 9,859 matching company records, 163,525 tracked contacts and 52,700 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 water quality management consultants worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/water-quality-management-consultants.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗