Company lists · Data refreshed November 2026

Top 25 Aquatic ecosystem consultants worldwide

RevenueBase identified 6,218 company matches for aquatic ecosystem consultants worldwide as of November 2026 and tracks 100,355 professional contacts across them, including 41,883 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for aquatic ecosystem consultants worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for aquatic ecosystem consultants follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
6,218Companies
100,355Contacts tracked
41,883Verified emails
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The 25 largest aquatic ecosystem consultants worldwide

Ranked by team size
Top 25 of 6,218 company matches for aquatic ecosystem consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPasadena, CA, United StatesHQ recorded Nov 6, 202610001+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
2Exact matchNew York, CO, United StatesHQ recorded Nov 6, 20261,001-5,0002,306 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
3Exact matchPhoenix, MA, United StatesHQ recorded Nov 6, 20261,001-5,0001,695 contacts →

Exact match

“Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHørsholm, DenmarkHQ recorded Nov 6, 20261,001-5,0001,544 contacts →

Exact match

“There is no substitute for water.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchTampa, FL, United StatesHQ recorded Nov 6, 20261,001-5,0001,275 contacts →

Exact match

“At Verdantas, we blend engineering and environmental science together with advanced technology and world-renowned labs to create solutions with the big picture in mind.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 20261,001-5,0001,149 contacts →

Exact match

“At Braun Intertec, we work at the intersection of the natural and built environments, combining science, technology, and engineering.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDallas, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,114 contacts →

Exact match

“Trinity Consultants is a global team of specialists helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure and built…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 2026501-1,000923 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
9Exact matchLafayette, MA, United StatesHQ recorded Nov 6, 20261,001-5,000876 contacts →

Exact match

“ATC Group Services LLC is now Atlas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchEncinitas, CA, United StatesHQ recorded Nov 6, 2026501-1,000829 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
11Exact matchSan Francisco, OR, United StatesHQ recorded Nov 6, 2026501-1,000748 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
12Exact matchWestfield, MA, United StatesHQ recorded Nov 6, 2026501-1,000685 contacts →

Exact match

“Tighe & Bond is the Northeast’s leading engineering, environmental, planning, and design consulting firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLaramie, MT, United StatesHQ recorded Nov 6, 2026501-1,000583 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
14Exact matchLowestoft, United KingdomHQ recorded Nov 6, 2026501-1,000582 contacts →

Exact match

“Cefas (Centre for Environment, Fisheries and Aquaculture Science) is an internationally renowned aquatic scientific research and consultancy centre.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMèze, FranceHQ recorded Nov 6, 2026201-500555 contacts →

Exact match

“Fondée en 1993 par des passionnés de nature engagés, Biotope s’est imposée au fil des années comme précurseur et leader mondial de l’ingénierie environnementale et de la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-200531 contacts →

Exact match

“BSC Group, Inc.(BSC) is a multidisciplinary consulting firm with a staff of more than 200 professionals and offices in Boston, Worcester, Andover, and West Yarmouth, MA, as well…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchVentura, CA, United StatesHQ recorded Nov 6, 2026501-1,000509 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
18Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 2026501-1,000503 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
19Exact matchWall Township, VA, United StatesHQ recorded Nov 6, 2026201-500470 contacts →

Exact match

“We are Groundwater & Environmental Services, Inc, better known as GES.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 2026501-1,000466 contacts →

Exact match

“Somos uma das maiores consultorias em meio ambiente do Brasil, fundada em 1997, contando, hoje, com uma equipe técnica multidisciplinar permanente, que congrega profissionais das…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCheyenne, NV, United StatesHQ recorded Nov 6, 2026201-500422 contacts →

Exact match

“WEST provides environmental and statistical consulting services and contract research nationally and internationally to industry, government, and private organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchTrondheim, NorwayHQ recorded Nov 6, 2026201-500382 contacts →

Exact match

“The Norwegian Institute for Nature Research (NINA) is Norway’s leading institution for applied ecological research.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchVancouver, BC, CanadaHQ recorded Nov 6, 2026201-500362 contacts →

Exact match

“Triton Environmental Consultants knows western Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 2026201-500360 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
25Exact matchTaoyuan City, TaiwanHQ recorded Nov 6, 20261,001-5,000359 contacts →

Exact match

“Since launching in 1974, the Grobest Group has been devoted to providing services including aquaculture hatchery and farming, feedstuff, aquatic feed, farmed seafood and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 6,218 aquatic ecosystem consultants worldwide

See the full list, filter by size, metro and specialty, and access 41,883 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Aquatic ecosystem consultants worldwide at a glance

As of Nov 6, 2026
41.7%Verified-email coverage
16.1Average contacts per company
1-10Median size (employees)
1.1%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,983
11-50
1,694
51-200
380
201-500
63
501-1,000
15
1,001-5,000
17
5,001-10,000
1
10001+
3

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 aquatic ecosystem consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “aquatic ecosystem consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 41,883 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.

Aquatic ecosystem consultants by location

28 lists · largest first

Every Aquatic ecosystem consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “aquatic ecosystem consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many aquatic ecosystem consultants are there worldwide?

RevenueBase identified 6,218 company matches for aquatic ecosystem consultants 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 aquatic ecosystem consultants?

The United States leads with 1,546 companies, followed by Brazil (855) and Canada (349). Every aquatic ecosystem consultants list by country and city is linked on this page.

Which city has the most aquatic ecosystem consultants?

Sao Paulo leads with 66 company records, followed by Belo Horizonte (54) and Rio De Janeiro (36).

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 41,883 professional contacts with verified work emails tracked across these 6,218 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.

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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.