Company lists · Data refreshed November 2026
Top 25 Hydrology consulting services worldwide
RevenueBase identified 5,075 company matches for hydrology consulting services worldwide as of November 2026 and tracks 102,656 professional contacts across them, including 40,640 with verified work emails. The United States is the largest market and Belo Horizonte the largest hub.
This list covers company matches for hydrology consulting services 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 November 6, 2026. Country and city lists for hydrology consulting services 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 hydrology consulting services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 14,232 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 6,576 contacts → | ||||
Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 2,553 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 2,306 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,588 contacts → | ||||
Exact match “Freese and Nichols is a professional planning, consulting and engineering firm serving clients across the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 1,544 contacts → | ||||
Exact match “There is no substitute for water.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 1,321 contacts → | ||||
Exact match “Who is Apex?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 1,079 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 923 contacts → | ||||
Exact match “At Parametrix, we help our clients imagine what's possible.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 916 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 876 contacts → | ||||
Exact match “ATC Group Services LLC is now Atlas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 829 contacts → | ||||
Exact match “Dudek is an environmental, planning, and engineering consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 809 contacts → | ||||
Exact match “Over six decades offering our consultancy services locally and internationally, based on ethical principles and commitments, always through honest, socially responsible actions…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 748 contacts → | ||||
Exact match “ESA is a 100% employee-owned environmental consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 696 contacts → | ||||
Exact match “Sondotécnica was founded in 1954.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 593 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 583 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 541 contacts → | ||||
Exact match “Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 509 contacts → | ||||
Exact match “Rincon Consultants is a multidisciplinary environmental, planning, and advisory firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 503 contacts → | ||||
Exact match “Headquartered in Seattle, Washington, Anchor QEA is a nationally recognized environmental science and engineering consulting firm specializing in aquatic, shoreline, and water…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 503 contacts → | ||||
Exact match “Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 437 contacts → | ||||
Exact match “R.J.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 399 contacts → | ||||
Exact match “HRG assists with the planning, design, and management of community infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 360 contacts → | ||||
Exact match “LSA is a diversified environmental, transportation, and community planning firm that evolved from a small consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 358 contacts → | ||||
Exact match “AE2S is a specialized civil/environmental consulting engineering firm that provides professional services and our unique brand of extreme client service to clients in the upper…” Recorded in the RevenueBase company graph · Nov 6, 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 “hydrology consulting services”. 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 5,075 hydrology consulting services worldwide
See the full list, filter by size, metro and specialty, and access 40,640 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hydrology consulting services worldwide at a glance
As of Nov 6, 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 hydrology consulting services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “hydrology consulting services” 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 40,640 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 November 6, 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.
Hydrology consulting services by location
24 lists · largest firstEvery Hydrology consulting services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hydrology consulting services based in the United States1,300
- Hydrology consulting services based in Brazil279
- Hydrology consulting services based in France261
- Hydrology consulting services based in Canada227
- Hydrology consulting services based in Australia221
- Hydrology consulting services based in Germany207
- Hydrology consulting services based in the United Kingdom167
- Hydrology consulting services based in Chile138
- Hydrology consulting services based in Spain125
- Hydrology consulting services based in India121
- Hydrology consulting services based in Italy96
- Hydrology consulting services based in Colombia87
- Hydrology consulting services based in South Africa76
- Hydrology consulting services based in Switzerland72
- Hydrology consulting services based in the Netherlands66
- Hydrology consulting services based in Türkiye56
- Hydrology consulting services based in Sweden46
- Hydrology consulting services based in New Zealand43
- Hydrology consulting services based in Austria39
- Hydrology consulting services based in Belgium25
Cities
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 “hydrology consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hydrology consulting services are there worldwide?
RevenueBase identified 5,075 company matches for hydrology consulting services worldwide as of November 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 hydrology consulting services?
The United States leads with 1,300 companies, followed by Brazil (279) and France (261). Every hydrology consulting services list by country and city is linked on this page.
Which city has the most hydrology consulting services?
Belo Horizonte leads with 46 company records, followed by Tehran (36) and Santiago (31).
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 40,640 professional contacts with verified work emails tracked across these 5,075 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 5,075 hydrology consulting services 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 hydrology consulting services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 5,075 matching company records for hydrology consulting services worldwide, with 102,656 tracked contacts and 40,640 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: November 6, 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 hydrology consulting services 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 |  Tetra Techtetratech.comHQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 14,232 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Terraconterracon.comHQ: Olathe, NE, United StatesReported employees: 5,001-10,000 | Olathe, NE, United States | 5,001-10,000 | Exact match | 6,576 contacts → |
“Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Brown And Caldwellbrownandcaldwell.comHQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 2,553 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Hazen And Sawyerhazenandsawyer.comHQ: New York, CO, United StatesReported employees: 1,001-5,000 | New York, CO, United States | 1,001-5,000 | Exact match | 2,306 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Freese And Nicholsfreese.comHQ: Fort Worth, TX, United StatesReported employees: 1,001-5,000 | Fort Worth, TX, United States | 1,001-5,000 | Exact match | 1,588 contacts → |
“Freese and Nichols is a professional planning, consulting and engineering firm serving clients across the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  DHIdhigroup.comHQ: Hørsholm, DenmarkReported employees: 1,001-5,000 | Hørsholm, Denmark | 1,001-5,000 | Exact match | 1,544 contacts → |
“There is no substitute for water.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Apex Companiesapexcos.comHQ: Rockville, MD, United StatesReported employees: 1,001-5,000 | Rockville, MD, United States | 1,001-5,000 | Exact match | 1,321 contacts → |
“Who is Apex?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  WSP Chile Y Argentinawsp.comHQ: Vitacura, ChileReported employees: 10001+ | Vitacura, Chile | 10001+ | Exact match | 1,079 contacts → |
“WSP en una empresa líder en servicios profesionales de consultoría en recursos hídricos, ingeniería, medio ambiente y sustentabilidad.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Parametrixparametrix.comHQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 923 contacts → |
“At Parametrix, we help our clients imagine what's possible.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Binniesbinnies.comHQ: Redhill, United KingdomReported employees: 501-1,000 | Redhill, United Kingdom | 501-1,000 | Exact match | 916 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  ATC Group Services LLConeatlas.comHQ: Lafayette, MA, United StatesReported employees: 1,001-5,000 | Lafayette, MA, United States | 1,001-5,000 | Exact match | 876 contacts → |
“ATC Group Services LLC is now Atlas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  DUDEKdudek.comHQ: Encinitas, CA, United StatesReported employees: 501-1,000 | Encinitas, CA, United States | 501-1,000 | Exact match | 829 contacts → |
“Dudek is an environmental, planning, and engineering consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Integral S.A. Ingenieros Consultoresintegral.com.coHQ: Medellín | Bogotá | Lima | Miami | Nueva Delhi, ColombiaReported employees: 1,001-5,000 | Medellín | Bogotá | Lima | Miami | Nueva Delhi, Colombia | 1,001-5,000 | Exact match | 809 contacts → |
“Over six decades offering our consultancy services locally and internationally, based on ethical principles and commitments, always through honest, socially responsible actions…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Environmental Science Associatesesassoc.comHQ: San Francisco, OR, United StatesReported employees: 501-1,000 | San Francisco, OR, United States | 501-1,000 | Exact match | 748 contacts → |
“ESA is a 100% employee-owned environmental consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Sondotécnica Engenhariasondotecnica.com.brHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 696 contacts → |
“Sondotécnica was founded in 1954.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Kennedy Jenkskennedyjenks.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 593 contacts → |
“For over 100 years, Kennedy Jenks has provided engineering and scientific solutions for innovative water and environmental projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Trihydro Corporationtrihydro.comHQ: Laramie, MT, United StatesReported employees: 501-1,000 | Laramie, MT, United States | 501-1,000 | Exact match | 583 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Nova Engineering And Environmental, LLCusanova.comHQ: Kennesaw, FL, United StatesReported employees: 501-1,000 | Kennesaw, FL, United States | 501-1,000 | Exact match | 541 contacts → |
“Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Rincon Consultantsrinconconsultants.comHQ: Ventura, CA, United StatesReported employees: 501-1,000 | Ventura, CA, United States | 501-1,000 | Exact match | 509 contacts → |
“Rincon Consultants is a multidisciplinary environmental, planning, and advisory firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Anchor QEAanchorqea.comHQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 503 contacts → |
“Headquartered in Seattle, Washington, Anchor QEA is a nationally recognized environmental science and engineering consulting firm specializing in aquatic, shoreline, and water…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Geo-Technology Associates, Inc. GTAgtaeng.comHQ: Abingdon, OH, United KingdomReported employees: 501-1,000 | Abingdon, OH, United Kingdom | 501-1,000 | Exact match | 503 contacts → |
“Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  R.J. Burnside & Associates Limitedrjburnside.comHQ: Orangeville, ON, CanadaReported employees: 201-500 | Orangeville, ON, Canada | 201-500 | Exact match | 437 contacts → |
“R.J.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Herbert, Rowland & Grubic, Inc. - HRGhrg-inc.comHQ: Harrisburg, PA, United StatesReported employees: 201-500 | Harrisburg, PA, United States | 201-500 | Exact match | 399 contacts → |
“HRG assists with the planning, design, and management of community infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  LSAlsa.netHQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 360 contacts → |
“LSA is a diversified environmental, transportation, and community planning firm that evolved from a small consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Grand Forks, ND, United StatesReported employees: 201-500 | Grand Forks, ND, United States | 201-500 | Exact match | 358 contacts → |
“AE2S is a specialized civil/environmental consulting engineering firm that provides professional services and our unique brand of extreme client service to clients in the upper…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,075 company matches
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Hydrology consulting services: dataset insights
November 6, 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
5,027 records in the displayed employee bands.
48 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 5,075 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: November 6, 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 ↗
Hydrology consulting services by location
24 lists · largest firstEvery Hydrology consulting services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hydrology consulting services based in the United States1,300
- Hydrology consulting services based in Brazil279
- Hydrology consulting services based in France261
- Hydrology consulting services based in Canada227
- Hydrology consulting services based in Australia221
- Hydrology consulting services based in Germany207
- Hydrology consulting services based in the United Kingdom167
- Hydrology consulting services based in Chile138
- Hydrology consulting services based in Spain125
- Hydrology consulting services based in India121
- Hydrology consulting services based in Italy96
- Hydrology consulting services based in Colombia87
- Hydrology consulting services based in South Africa76
- Hydrology consulting services based in Switzerland72
- Hydrology consulting services based in the Netherlands66
- Hydrology consulting services based in Türkiye56
- Hydrology consulting services based in Sweden46
- Hydrology consulting services based in New Zealand43
- Hydrology consulting services based in Austria39
- Hydrology consulting services based in Belgium25
Cities
Questions about this company list
What does Exact match mean for hydrology consulting services?
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 hydrology consulting services did RevenueBase find worldwide?
The saved snapshot records 5,075 matching company records, 102,656 tracked contacts and 40,640 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: November 6, 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 hydrology consulting services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/hydrology-consulting-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 hydrology consulting services worldwide
RevenueBase records 5,075 matching company records for hydrology consulting services worldwide, with 102,656 tracked contacts and 40,640 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: November 6, 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 hydrology consulting services 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 | Tetra Techtetratech.com HQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 14,232 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Terraconterracon.com HQ: Olathe, NE, United StatesReported employees: 5,001-10,000 | Olathe, NE, United States | 5,001-10,000 | Exact match | 6,576 contacts → |
“Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Brown And Caldwellbrownandcaldwell.com HQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 2,553 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Hazen And Sawyerhazenandsawyer.com HQ: New York, CO, United StatesReported employees: 1,001-5,000 | New York, CO, United States | 1,001-5,000 | Exact match | 2,306 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Freese And Nicholsfreese.com HQ: Fort Worth, TX, United StatesReported employees: 1,001-5,000 | Fort Worth, TX, United States | 1,001-5,000 | Exact match | 1,588 contacts → |
“Freese and Nichols is a professional planning, consulting and engineering firm serving clients across the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | DHIdhigroup.com HQ: Hørsholm, DenmarkReported employees: 1,001-5,000 | Hørsholm, Denmark | 1,001-5,000 | Exact match | 1,544 contacts → |
“There is no substitute for water.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Apex Companiesapexcos.com HQ: Rockville, MD, United StatesReported employees: 1,001-5,000 | Rockville, MD, United States | 1,001-5,000 | Exact match | 1,321 contacts → |
“Who is Apex?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | WSP Chile Y Argentinawsp.com HQ: Vitacura, ChileReported employees: 10001+ | Vitacura, Chile | 10001+ | Exact match | 1,079 contacts → |
“WSP en una empresa líder en servicios profesionales de consultoría en recursos hídricos, ingeniería, medio ambiente y sustentabilidad.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Parametrixparametrix.com HQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 923 contacts → |
“At Parametrix, we help our clients imagine what's possible.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Binniesbinnies.com HQ: Redhill, United KingdomReported employees: 501-1,000 | Redhill, United Kingdom | 501-1,000 | Exact match | 916 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ATC Group Services LLConeatlas.com HQ: Lafayette, MA, United StatesReported employees: 1,001-5,000 | Lafayette, MA, United States | 1,001-5,000 | Exact match | 876 contacts → |
“ATC Group Services LLC is now Atlas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | DUDEKdudek.com HQ: Encinitas, CA, United StatesReported employees: 501-1,000 | Encinitas, CA, United States | 501-1,000 | Exact match | 829 contacts → |
“Dudek is an environmental, planning, and engineering consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Integral S.A. Ingenieros Consultoresintegral.com.co HQ: Medellín | Bogotá | Lima | Miami | Nueva Delhi, ColombiaReported employees: 1,001-5,000 | Medellín | Bogotá | Lima | Miami | Nueva Delhi, Colombia | 1,001-5,000 | Exact match | 809 contacts → |
“Over six decades offering our consultancy services locally and internationally, based on ethical principles and commitments, always through honest, socially responsible actions…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Environmental Science Associatesesassoc.com HQ: San Francisco, OR, United StatesReported employees: 501-1,000 | San Francisco, OR, United States | 501-1,000 | Exact match | 748 contacts → |
“ESA is a 100% employee-owned environmental consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Sondotécnica Engenhariasondotecnica.com.br HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 696 contacts → |
“Sondotécnica was founded in 1954.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Kennedy Jenkskennedyjenks.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 593 contacts → |
“For over 100 years, Kennedy Jenks has provided engineering and scientific solutions for innovative water and environmental projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Trihydro Corporationtrihydro.com HQ: Laramie, MT, United StatesReported employees: 501-1,000 | Laramie, MT, United States | 501-1,000 | Exact match | 583 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Nova Engineering And Environmental, LLCusanova.com HQ: Kennesaw, FL, United StatesReported employees: 501-1,000 | Kennesaw, FL, United States | 501-1,000 | Exact match | 541 contacts → |
“Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Rincon Consultantsrinconconsultants.com HQ: Ventura, CA, United StatesReported employees: 501-1,000 | Ventura, CA, United States | 501-1,000 | Exact match | 509 contacts → |
“Rincon Consultants is a multidisciplinary environmental, planning, and advisory firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Anchor QEAanchorqea.com HQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 503 contacts → |
“Headquartered in Seattle, Washington, Anchor QEA is a nationally recognized environmental science and engineering consulting firm specializing in aquatic, shoreline, and water…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Geo-Technology Associates, Inc. GTAgtaeng.com HQ: Abingdon, OH, United KingdomReported employees: 501-1,000 | Abingdon, OH, United Kingdom | 501-1,000 | Exact match | 503 contacts → |
“Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | R.J. Burnside & Associates Limitedrjburnside.com HQ: Orangeville, ON, CanadaReported employees: 201-500 | Orangeville, ON, Canada | 201-500 | Exact match | 437 contacts → |
“R.J.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Herbert, Rowland & Grubic, Inc. - HRGhrg-inc.com HQ: Harrisburg, PA, United StatesReported employees: 201-500 | Harrisburg, PA, United States | 201-500 | Exact match | 399 contacts → |
“HRG assists with the planning, design, and management of community infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | LSAlsa.net HQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 360 contacts → |
“LSA is a diversified environmental, transportation, and community planning firm that evolved from a small consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Grand Forks, ND, United StatesReported employees: 201-500 | Grand Forks, ND, United States | 201-500 | Exact match | 358 contacts → |
“AE2S is a specialized civil/environmental consulting engineering firm that provides professional services and our unique brand of extreme client service to clients in the upper…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Hydrology consulting services: dataset insights
November 6, 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
5,027 records in the displayed employee bands.
48 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 5,075 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: November 6, 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 ↗
Hydrology consulting services by location
24 lists · largest firstEvery Hydrology consulting services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hydrology consulting services based in the United States1,300
- Hydrology consulting services based in Brazil279
- Hydrology consulting services based in France261
- Hydrology consulting services based in Canada227
- Hydrology consulting services based in Australia221
- Hydrology consulting services based in Germany207
- Hydrology consulting services based in the United Kingdom167
- Hydrology consulting services based in Chile138
- Hydrology consulting services based in Spain125
- Hydrology consulting services based in India121
- Hydrology consulting services based in Italy96
- Hydrology consulting services based in Colombia87
- Hydrology consulting services based in South Africa76
- Hydrology consulting services based in Switzerland72
- Hydrology consulting services based in the Netherlands66
- Hydrology consulting services based in Türkiye56
- Hydrology consulting services based in Sweden46
- Hydrology consulting services based in New Zealand43
- Hydrology consulting services based in Austria39
- Hydrology consulting services based in Belgium25
Cities
Questions about this company list
What does Exact match mean for hydrology consulting services?
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 hydrology consulting services did RevenueBase find worldwide?
The saved snapshot records 5,075 matching company records, 102,656 tracked contacts and 40,640 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: November 6, 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.
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Cite this list
RevenueBase Data Team. Top 25 hydrology consulting services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/hydrology-consulting-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗