Company lists · Data refreshed November 2026
Top 25 Watershed management firms worldwide
RevenueBase identified 980 company matches for watershed management firms worldwide as of November 2026 and tracks 16,893 professional contacts across them, including 7,207 with verified work emails. The United States is the largest market and Portland the largest hub.
This list covers company matches for watershed management firms 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 watershed management firms 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 watershed management firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 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 | |||||
| 3 | 1,519 contacts → | ||||
Exact match “In Melbourne, water is essential to our way of life.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 242 contacts → | ||||
Exact match “Water is a powerful and precious resource that deserves responsible management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 200 contacts → | ||||
Exact match “Hydro International, a CRH Company, provides advanced products, services and expertise to help municipal, industrial and construction customers to improve their water management…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 198 contacts → | ||||
Exact match “At Spectrum, our mission is simple: to provide smarter, more efficient, and sustainable water solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 172 contacts → | ||||
Exact match “The Grand River Conservation Authority (GRCA) manages the water and other natural resources on behalf of 39 municipalities and close to one million residents of the Grand River…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 170 contacts → | ||||
Exact match “Herrera Environmental Consultants is a leading engineering and scientific consulting firm focused on restoration, water, and sustainable development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 168 contacts → | ||||
Exact match “1st developer of solutions for mastering water sustainably.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 151 contacts → | ||||
Exact match “AQUALIS is the national leader in water management, compliance and engineering, helping businesses meet complex water regulations while protecting long-term infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 127 contacts → | ||||
Exact match “Hamilton Conservation Authority, located at the western end of Lake Ontario, is the area’s largest environmental management agency, and is dedicated to the conservation and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 125 contacts → | ||||
Exact match “CWE, an Apex Company, is a dynamic, award-winning civil engineering firm composed of engineers, scientists, designers, and construction support professionals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 116 contacts → | ||||
Exact match “Our mission is to be the keystone species in the restoration of the Chesapeake Bay.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 114 contacts → | ||||
Exact match “Stillwater Sciences is committed to creating a better world through science.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 112 contacts → | ||||
Exact match “StormTrap offers proven, leading-edge solutions for managing runoff, protecting waterways and improving the use of your property.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 112 contacts → | ||||
Exact match “Since 1987, Taylor Engineering, Inc, with headquarters in Jacksonville, Florida; branch offices in Destin and Tampa, Florida; and regional staff throughout Florida and the North…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 109 contacts → | ||||
Exact match “Het Waterlaboratorium is een zelfstandig opererend semipubliek bedrijf met drie sterke aandeelhouders: Dunea Duin en Water, PWN Waterleidingbedrijf Noord-Holland en Waternet…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 106 contacts → | ||||
Exact match “At Saur, we mobilize ourselves daily to protect and preserve water across all territories.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 105 contacts → | ||||
Exact match “Founded in 1965, D&B Engineers and Architects (D&B) is committed to improving quality of life with innovative engineering solutions in sustainable, environmentally acceptable…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 99 contacts → | ||||
Exact match “Vision: We are engineers and scientists who have a passion for sustainable, clean water.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 93 contacts → | ||||
Exact match “Beca HunterH2O is a diverse, empowered, and trusted team of 300+ water specialists, passionate about healthy and sustainable communities wherever we work.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 86 contacts → | ||||
Exact match “PACE is a civil engineering firm offering advanced water resource services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 85 contacts → | ||||
Exact match “For over 20 years, we have developed engineering solutions for the most complex environmental challenges in Brazil and around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 84 contacts → | ||||
Exact match “Water and Environmental Consultancy and Software Services Life is unsustainable without access to reliable water source and humans are threatened by climate change, altering…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 81 contacts → | ||||
Exact match “Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.” 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 “watershed management firms”. 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 980 watershed management firms worldwide
See the full list, filter by size, metro and specialty, and access 7,207 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Watershed management firms 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 watershed management firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “watershed management firms” 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 7,207 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.
Watershed management firms by location
6 lists · largest firstEvery Watershed management firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 “watershed management firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many watershed management firms are there worldwide?
RevenueBase identified 980 company matches for watershed management firms 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?
Hazen And Sawyer tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most watershed management firms?
The United States leads with 437 companies, followed by Canada (67) and France (61). Every watershed management firms list by country and city is linked on this page.
Which city has the most watershed management firms?
Portland leads with 10 company records, followed by Melbourne (8) and Seattle (8).
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 7,207 professional contacts with verified work emails tracked across these 980 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 980 watershed management firms 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 watershed management firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 980 matching company records for watershed management firms worldwide, with 16,893 tracked contacts and 7,207 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 watershed management firms 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 |  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. | |||||
| 2 |  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. | |||||
| 3 |  Melbourne Watermelbournewater.com.auHQ: Melbourne, AustraliaReported employees: 1,001-5,000 | Melbourne, Australia | 1,001-5,000 | Exact match | 1,519 contacts → |
“In Melbourne, water is essential to our way of life.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Mcmillenmcmillen.comHQ: Boise, WY, United StatesReported employees: 201-500 | Boise, WY, United States | 201-500 | Exact match | 242 contacts → |
“Water is a powerful and precious resource that deserves responsible management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Hydro Internationalhydro-int.comHQ: Clevedon, United KingdomReported employees: 201-500 | Clevedon, United Kingdom | 201-500 | Exact match | 200 contacts → |
“Hydro International, a CRH Company, provides advanced products, services and expertise to help municipal, industrial and construction customers to improve their water management…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Spectrumspectrumwater.comHQ: Geismar, LA, United StatesReported employees: 51-200 | Geismar, LA, United States | 51-200 | Exact match | 198 contacts → |
“At Spectrum, our mission is simple: to provide smarter, more efficient, and sustainable water solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Grand River Conservation Authoritygrandriver.caHQ: Cambridge, ON, CanadaReported employees: 201-500 | Cambridge, ON, Canada | 201-500 | Exact match | 172 contacts → |
“The Grand River Conservation Authority (GRCA) manages the water and other natural resources on behalf of 39 municipalities and close to one million residents of the Grand River…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Herrera Environmental Consultantsherrerainc.comHQ: Seattle, OR, United StatesReported employees: 51-200 | Seattle, OR, United States | 51-200 | Exact match | 170 contacts → |
“Herrera Environmental Consultants is a leading engineering and scientific consulting firm focused on restoration, water, and sustainable development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Solenosoleno.comHQ: Saint-jean-sur-richelieu, QC, CanadaReported employees: 501-1,000 | Saint-jean-sur-richelieu, QC, Canada | 501-1,000 | Exact match | 168 contacts → |
“1st developer of solutions for mastering water sustainably.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Aqualisaqualisco.comHQ: Morrisville, CO, United StatesReported employees: 501-1,000 | Morrisville, CO, United States | 501-1,000 | Exact match | 151 contacts → |
“AQUALIS is the national leader in water management, compliance and engineering, helping businesses meet complex water regulations while protecting long-term infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Hamilton Conservation Authorityconservationhamilton.caHQ: Hamilton, ON, CanadaReported employees: 51-200 | Hamilton, ON, Canada | 51-200 | Exact match | 127 contacts → |
“Hamilton Conservation Authority, located at the western end of Lake Ontario, is the area’s largest environmental management agency, and is dedicated to the conservation and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  CWEcwecorp.comHQ: Fullerton, UT, United StatesReported employees: 11-50 | Fullerton, UT, United States | 11-50 | Exact match | 125 contacts → |
“CWE, an Apex Company, is a dynamic, award-winning civil engineering firm composed of engineers, scientists, designers, and construction support professionals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Environmental Quality Resources, LLCeqrllc.comHQ: Millersville, MD, United StatesReported employees: 201-500 | Millersville, MD, United States | 201-500 | Exact match | 116 contacts → |
“Our mission is to be the keystone species in the restoration of the Chesapeake Bay.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Stillwater Sciencesstillwatersci.comHQ: Berkeley, CO, United StatesReported employees: 51-200 | Berkeley, CO, United States | 51-200 | Exact match | 114 contacts → |
“Stillwater Sciences is committed to creating a better world through science.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Stormtrapstormtrap.comHQ: Romeoville, IL, United StatesReported employees: 51-200 | Romeoville, IL, United States | 51-200 | Exact match | 112 contacts → |
“StormTrap offers proven, leading-edge solutions for managing runoff, protecting waterways and improving the use of your property.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Taylor Engineeringtaylorengineering.comHQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 112 contacts → |
“Since 1987, Taylor Engineering, Inc, with headquarters in Jacksonville, Florida; branch offices in Destin and Tampa, Florida; and regional staff throughout Florida and the North…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  HET Waterlaboratoriumhetwaterlaboratorium.nlHQ: Haarlem, NetherlandsReported employees: 51-200 | Haarlem, Netherlands | 51-200 | Exact match | 109 contacts → |
“Het Waterlaboratorium is een zelfstandig opererend semipubliek bedrijf met drie sterke aandeelhouders: Dunea Duin en Water, PWN Waterleidingbedrijf Noord-Holland en Waternet…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Luságualusagua.ptHQ: Lisbon, PortugalReported employees: 1,001-5,000 | Lisbon, Portugal | 1,001-5,000 | Exact match | 106 contacts → |
“At Saur, we mobilize ourselves daily to protect and preserve water across all territories.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  D&b Engineers And Architectsdb-eng.comHQ: Woodbury, PA, United StatesReported employees: 201-500 | Woodbury, PA, United States | 201-500 | Exact match | 105 contacts → |
“Founded in 1965, D&B Engineers and Architects (D&B) is committed to improving quality of life with innovative engineering solutions in sustainable, environmentally acceptable…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Limnotechlimno.comHQ: Ann Arbor, MN, United StatesReported employees: 51-200 | Ann Arbor, MN, United States | 51-200 | Exact match | 99 contacts → |
“Vision: We are engineers and scientists who have a passion for sustainable, clean water.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Hunter H2ohunterh2o.com.auHQ: Mayfield West, AustraliaReported employees: 51-200 | Mayfield West, Australia | 51-200 | Exact match | 93 contacts → |
“Beca HunterH2O is a diverse, empowered, and trusted team of 300+ water specialists, passionate about healthy and sustainable communities wherever we work.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Pace Advanced Water Engineeringpacewater.comHQ: Fountain Valley, CA, United StatesReported employees: 51-200 | Fountain Valley, CA, United States | 51-200 | Exact match | 86 contacts → |
“PACE is a civil engineering firm offering advanced water resource services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Rhama Analysisrhama-analysis.comHQ: Porto Alegre, BrazilReported employees: 51-200 | Porto Alegre, Brazil | 51-200 | Exact match | 85 contacts → |
“For over 20 years, we have developed engineering solutions for the most complex environmental challenges in Brazil and around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  NJS Co., LTDnjs.co.jpHQ: Minato-ku, JapanReported employees: 1,001-5,000 | Minato-ku, Japan | 1,001-5,000 | Exact match | 84 contacts → |
“Water and Environmental Consultancy and Software Services Life is unsustainable without access to reliable water source and humans are threatened by climate change, altering…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Larry Walker Associateslwa.comHQ: Davis, CA, United StatesReported employees: 51-200 | Davis, CA, United States | 51-200 | Exact match | 81 contacts → |
“Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 980 company matches
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Watershed management firms: 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
968 records in the displayed employee bands.
12 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 980 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 ↗
Watershed management firms by location
6 lists · largest firstEvery Watershed management firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for watershed management firms?
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 watershed management firms did RevenueBase find worldwide?
The saved snapshot records 980 matching company records, 16,893 tracked contacts and 7,207 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 watershed management firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/watershed-management-firms.
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 watershed management firms worldwide
RevenueBase records 980 matching company records for watershed management firms worldwide, with 16,893 tracked contacts and 7,207 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 watershed management firms 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 | 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. | |||||
| 2 | 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. | |||||
| 3 | Melbourne Watermelbournewater.com.au HQ: Melbourne, AustraliaReported employees: 1,001-5,000 | Melbourne, Australia | 1,001-5,000 | Exact match | 1,519 contacts → |
“In Melbourne, water is essential to our way of life.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Mcmillenmcmillen.com HQ: Boise, WY, United StatesReported employees: 201-500 | Boise, WY, United States | 201-500 | Exact match | 242 contacts → |
“Water is a powerful and precious resource that deserves responsible management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Hydro Internationalhydro-int.com HQ: Clevedon, United KingdomReported employees: 201-500 | Clevedon, United Kingdom | 201-500 | Exact match | 200 contacts → |
“Hydro International, a CRH Company, provides advanced products, services and expertise to help municipal, industrial and construction customers to improve their water management…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Spectrumspectrumwater.com HQ: Geismar, LA, United StatesReported employees: 51-200 | Geismar, LA, United States | 51-200 | Exact match | 198 contacts → |
“At Spectrum, our mission is simple: to provide smarter, more efficient, and sustainable water solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Grand River Conservation Authoritygrandriver.ca HQ: Cambridge, ON, CanadaReported employees: 201-500 | Cambridge, ON, Canada | 201-500 | Exact match | 172 contacts → |
“The Grand River Conservation Authority (GRCA) manages the water and other natural resources on behalf of 39 municipalities and close to one million residents of the Grand River…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Herrera Environmental Consultantsherrerainc.com HQ: Seattle, OR, United StatesReported employees: 51-200 | Seattle, OR, United States | 51-200 | Exact match | 170 contacts → |
“Herrera Environmental Consultants is a leading engineering and scientific consulting firm focused on restoration, water, and sustainable development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Solenosoleno.com HQ: Saint-jean-sur-richelieu, QC, CanadaReported employees: 501-1,000 | Saint-jean-sur-richelieu, QC, Canada | 501-1,000 | Exact match | 168 contacts → |
“1st developer of solutions for mastering water sustainably.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Aqualisaqualisco.com HQ: Morrisville, CO, United StatesReported employees: 501-1,000 | Morrisville, CO, United States | 501-1,000 | Exact match | 151 contacts → |
“AQUALIS is the national leader in water management, compliance and engineering, helping businesses meet complex water regulations while protecting long-term infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hamilton Conservation Authorityconservationhamilton.ca HQ: Hamilton, ON, CanadaReported employees: 51-200 | Hamilton, ON, Canada | 51-200 | Exact match | 127 contacts → |
“Hamilton Conservation Authority, located at the western end of Lake Ontario, is the area’s largest environmental management agency, and is dedicated to the conservation and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | CWEcwecorp.com HQ: Fullerton, UT, United StatesReported employees: 11-50 | Fullerton, UT, United States | 11-50 | Exact match | 125 contacts → |
“CWE, an Apex Company, is a dynamic, award-winning civil engineering firm composed of engineers, scientists, designers, and construction support professionals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Environmental Quality Resources, LLCeqrllc.com HQ: Millersville, MD, United StatesReported employees: 201-500 | Millersville, MD, United States | 201-500 | Exact match | 116 contacts → |
“Our mission is to be the keystone species in the restoration of the Chesapeake Bay.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Stillwater Sciencesstillwatersci.com HQ: Berkeley, CO, United StatesReported employees: 51-200 | Berkeley, CO, United States | 51-200 | Exact match | 114 contacts → |
“Stillwater Sciences is committed to creating a better world through science.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Stormtrapstormtrap.com HQ: Romeoville, IL, United StatesReported employees: 51-200 | Romeoville, IL, United States | 51-200 | Exact match | 112 contacts → |
“StormTrap offers proven, leading-edge solutions for managing runoff, protecting waterways and improving the use of your property.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Taylor Engineeringtaylorengineering.com HQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 112 contacts → |
“Since 1987, Taylor Engineering, Inc, with headquarters in Jacksonville, Florida; branch offices in Destin and Tampa, Florida; and regional staff throughout Florida and the North…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HET Waterlaboratoriumhetwaterlaboratorium.nl HQ: Haarlem, NetherlandsReported employees: 51-200 | Haarlem, Netherlands | 51-200 | Exact match | 109 contacts → |
“Het Waterlaboratorium is een zelfstandig opererend semipubliek bedrijf met drie sterke aandeelhouders: Dunea Duin en Water, PWN Waterleidingbedrijf Noord-Holland en Waternet…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Luságualusagua.pt HQ: Lisbon, PortugalReported employees: 1,001-5,000 | Lisbon, Portugal | 1,001-5,000 | Exact match | 106 contacts → |
“At Saur, we mobilize ourselves daily to protect and preserve water across all territories.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | D&b Engineers And Architectsdb-eng.com HQ: Woodbury, PA, United StatesReported employees: 201-500 | Woodbury, PA, United States | 201-500 | Exact match | 105 contacts → |
“Founded in 1965, D&B Engineers and Architects (D&B) is committed to improving quality of life with innovative engineering solutions in sustainable, environmentally acceptable…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Limnotechlimno.com HQ: Ann Arbor, MN, United StatesReported employees: 51-200 | Ann Arbor, MN, United States | 51-200 | Exact match | 99 contacts → |
“Vision: We are engineers and scientists who have a passion for sustainable, clean water.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Hunter H2ohunterh2o.com.au HQ: Mayfield West, AustraliaReported employees: 51-200 | Mayfield West, Australia | 51-200 | Exact match | 93 contacts → |
“Beca HunterH2O is a diverse, empowered, and trusted team of 300+ water specialists, passionate about healthy and sustainable communities wherever we work.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Pace Advanced Water Engineeringpacewater.com HQ: Fountain Valley, CA, United StatesReported employees: 51-200 | Fountain Valley, CA, United States | 51-200 | Exact match | 86 contacts → |
“PACE is a civil engineering firm offering advanced water resource services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Rhama Analysisrhama-analysis.com HQ: Porto Alegre, BrazilReported employees: 51-200 | Porto Alegre, Brazil | 51-200 | Exact match | 85 contacts → |
“For over 20 years, we have developed engineering solutions for the most complex environmental challenges in Brazil and around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | NJS Co., LTDnjs.co.jp HQ: Minato-ku, JapanReported employees: 1,001-5,000 | Minato-ku, Japan | 1,001-5,000 | Exact match | 84 contacts → |
“Water and Environmental Consultancy and Software Services Life is unsustainable without access to reliable water source and humans are threatened by climate change, altering…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Larry Walker Associateslwa.com HQ: Davis, CA, United StatesReported employees: 51-200 | Davis, CA, United States | 51-200 | Exact match | 81 contacts → |
“Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 980 company matches
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Watershed management firms: 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
968 records in the displayed employee bands.
12 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 980 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 ↗
Watershed management firms by location
6 lists · largest firstEvery Watershed management firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for watershed management firms?
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 watershed management firms did RevenueBase find worldwide?
The saved snapshot records 980 matching company records, 16,893 tracked contacts and 7,207 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 watershed management firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/watershed-management-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗