Company lists · Data refreshed September 2026
Top 25 Wetlands consulting firms based in the United States
RevenueBase identified 2,807 company matches for wetlands consulting firms associated with the United States as of September 2026 and tracks 86,713 professional contacts across them, including 41,752 with verified work emails. Houston is the largest hub.
This list covers company matches for wetlands consulting firms associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.
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 wetlands consulting firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 12,999 contacts → | ||||
Exact match “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 2,639 contacts → | ||||
Exact match “APTIM enhances the quality of the environment, wellbeing of people, resilience of communities, and opportunity for employees to make a difference, not just a living.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 2,473 contacts → | ||||
Exact match “Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 2,393 contacts → | ||||
Exact match “Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 2,232 contacts → | ||||
Exact match “Providence is an employee-owned engineering and environmental consulting firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 2,100 contacts → | ||||
Exact match “As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 1,629 contacts → | ||||
Exact match “Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 1,529 contacts → | ||||
Exact match “Onterris (formerly Montrose Environmental Group) was one of the first to see environmental responsibility as not just an imperative but as a strategic asset.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 1,139 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 1,137 contacts → | ||||
Exact match “Who is Apex?” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 1,112 contacts → | ||||
Exact match “Ranked No.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 1,088 contacts → | ||||
Exact match “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 1,065 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 982 contacts → | ||||
Exact match “The Institute for Environmental Assessment, Inc.(IEA) is small business committed to providing trusted environmental safety consulting services for private and public…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 961 contacts → | ||||
Exact match “Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 880 contacts → | ||||
Exact match “At Parametrix, we help our clients imagine what's possible.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 865 contacts → | ||||
Exact match “ATC Group Services LLC is now Atlas.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 807 contacts → | ||||
Exact match “At Envu, we partner with our customers to design world-class, forward-thinking innovations that protect and enhance the health of environments around the world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 795 contacts → | ||||
Exact match “Dudek is an environmental, planning, and engineering consulting firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 781 contacts → | ||||
Exact match “By combining science, engineering, and technology with a true collaborative spirit, Foth has delivered innovative solutions to our clients since 1938.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 732 contacts → | ||||
Exact match “ESA is a 100% employee-owned environmental consulting firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 577 contacts → | ||||
Exact match “Headquartered in Laramie, Wyoming, Trihydro provides environmental consulting, engineering and surveying, air quality and process management, information technology, and water and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 535 contacts → | ||||
Exact match “For 35 years we have been helping investors, lenders, owners, developers, contractors, and property managers reduce risk and optimize their built facilities, infrastructure and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 504 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 479 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “wetlands consulting 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 2,807 wetlands consulting firms based in the United States
See the full list, filter by size, metro and specialty, and access 41,752 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Wetlands consulting firms based in the United States at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 2,807 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “wetlands consulting 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 41,752 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
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 “wetlands consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many wetlands consulting firms are there based in the United States?
RevenueBase identified 2,807 company matches for wetlands consulting firms associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Tetra Tech tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most wetlands consulting firms?
Houston leads with 53 company records, followed by Seattle (41) and Tampa (30).
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 41,752 professional contacts with verified work emails tracked across these 2,807 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,807 wetlands consulting firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Wetlands consulting firms by geography
- Wetlands consulting firms based in Brisbane, Australia
- Wetlands consulting firms based in Melbourne, Australia
- Wetlands consulting firms based in Perth, Australia
- Wetlands consulting firms based in Sydney, Australia
- Wetlands consulting firms based in Belo Horizonte, Brazil
- Wetlands consulting firms based in Campinas, Brazil
- Wetlands consulting firms based in Curitiba, Brazil
- Wetlands consulting firms based in Porto Alegre, Brazil
- Wetlands consulting firms based in Rio De Janeiro, Brazil
- Wetlands consulting firms based in Sao Paulo, Brazil
- Wetlands consulting firms based in Calgary, Canada
- Wetlands consulting firms based in Edmonton, Canada
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Wetlands consulting firms based in Brisbane, Australia
- Wetlands consulting firms based in Melbourne, Australia
- Wetlands consulting firms based in Perth, Australia
- Wetlands consulting firms based in Sydney, Australia
- Wetlands consulting firms based in Belo Horizonte, Brazil
- Wetlands consulting firms based in Campinas, Brazil
Company intelligence · public preview
Top 25 wetlands consulting firms based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,807 matching company records for wetlands consulting firms based in the United States, with 86,713 tracked contacts and 41,752 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 wetlands consulting firms based in the United States
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 | 12,999 contacts → |
“Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  APTIMaptim.comHQ: Baton Rouge, LA, United StatesReported employees: 1,001-5,000 | Baton Rouge, LA, United States | 1,001-5,000 | Exact match | 2,639 contacts → |
“APTIM enhances the quality of the environment, wellbeing of people, resilience of communities, and opportunity for employees to make a difference, not just a living.” Recorded description excerpt · September 29, 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 | 2,473 contacts → |
“Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Geosyntec Consultantsgeosyntec.comHQ: Boca Raton, FL, United StatesReported employees: 1,001-5,000 | Boca Raton, FL, United States | 1,001-5,000 | Exact match | 2,393 contacts → |
“Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Providenceprovidenceeng.comHQ: Baton Rouge, LA, United StatesReported employees: Not recorded | Baton Rouge, LA, United States | Not recorded | Exact match | 2,232 contacts → |
“Providence is an employee-owned engineering and environmental consulting firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Hazen And Sawyerhazenandsawyer.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 2,100 contacts → |
“As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Swca Environmental Consultantsswca.comHQ: Phoenix, AZ, United StatesReported employees: 1,001-5,000 | Phoenix, AZ, United States | 1,001-5,000 | Exact match | 1,629 contacts → |
“Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Montrose Environmental Grouponterris.comHQ: Little Rock, AR, United StatesReported employees: 1,001-5,000 | Little Rock, AR, United States | 1,001-5,000 | Exact match | 1,529 contacts → |
“Onterris (formerly Montrose Environmental Group) was one of the first to see environmental responsibility as not just an imperative but as a strategic asset.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Verdantasverdantas.comHQ: Tampa, FL, United StatesReported employees: 1,001-5,000 | Tampa, FL, United States | 1,001-5,000 | Exact match | 1,139 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Apex Companiesapexcos.comHQ: Rockville, MD, United StatesReported employees: 1,001-5,000 | Rockville, MD, United States | 1,001-5,000 | Exact match | 1,137 contacts → |
“Who is Apex?” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Bge, INCbgeinc.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,112 contacts → |
“Ranked No.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Barr Engineering CObarr.comHQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Braun Intertec Corporationbraunintertec.comHQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 1,065 contacts → |
“At Braun Intertec, we work at the intersection of the natural and built environments, combining science, technology, and engineering.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  IEAieasafety.comHQ: Brooklyn Park, MN, United StatesReported employees: Not recorded | Brooklyn Park, MN, United States | Not recorded | Exact match | 982 contacts → |
“The Institute for Environmental Assessment, Inc.(IEA) is small business committed to providing trusted environmental safety consulting services for private and public…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Trinity Consultantstrinityconsultants.comHQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 961 contacts → |
“Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Parametrixparametrix.comHQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 880 contacts → |
“At Parametrix, we help our clients imagine what's possible.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  ATC Group Services LLConeatlas.comHQ: Lafayette, LA, United StatesReported employees: 1,001-5,000 | Lafayette, LA, United States | 1,001-5,000 | Exact match | 865 contacts → |
“ATC Group Services LLC is now Atlas.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  ENVUenvu.comHQ: Cary, NC, United StatesReported employees: 1,001-5,000 | Cary, NC, United States | 1,001-5,000 | Exact match | 807 contacts → |
“At Envu, we partner with our customers to design world-class, forward-thinking innovations that protect and enhance the health of environments around the world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  DUDEKdudek.comHQ: Encinitas, CA, United StatesReported employees: 501-1,000 | Encinitas, CA, United States | 501-1,000 | Exact match | 795 contacts → |
“Dudek is an environmental, planning, and engineering consulting firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  The Foth Companiesfoth.comHQ: De Pere, WI, United StatesReported employees: 501-1,000 | De Pere, WI, United States | 501-1,000 | Exact match | 781 contacts → |
“By combining science, engineering, and technology with a true collaborative spirit, Foth has delivered innovative solutions to our clients since 1938.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Environmental Science Associatesesassoc.comHQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 732 contacts → |
“ESA is a 100% employee-owned environmental consulting firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Trihydro Corporationtrihydro.comHQ: Laramie, WY, United StatesReported employees: 501-1,000 | Laramie, WY, United States | 501-1,000 | Exact match | 577 contacts → |
“Headquartered in Laramie, Wyoming, Trihydro provides environmental consulting, engineering and surveying, air quality and process management, information technology, and water and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  EBI Consultingebiconsulting.comHQ: Burlington, MA, United StatesReported employees: 501-1,000 | Burlington, MA, United States | 501-1,000 | Exact match | 535 contacts → |
“For 35 years we have been helping investors, lenders, owners, developers, contractors, and property managers reduce risk and optimize their built facilities, infrastructure and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  BSC Groupbscgroup.comHQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 504 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Anchor QEAanchorqea.comHQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 479 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,807 company matches
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Wetlands consulting firms: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,804 records in the displayed employee bands.
3 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 2,807 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for wetlands consulting 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 wetlands consulting firms did RevenueBase find based in the United States?
The saved snapshot records 2,807 matching company records, 86,713 tracked contacts and 41,752 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Wetlands consulting firms by geography
- Wetlands consulting firms based in Brisbane, Australia
- Wetlands consulting firms based in Melbourne, Australia
- Wetlands consulting firms based in Perth, Australia
- Wetlands consulting firms based in Sydney, Australia
- Wetlands consulting firms based in Belo Horizonte, Brazil
- Wetlands consulting firms based in Campinas, Brazil
- Wetlands consulting firms based in Curitiba, Brazil
- Wetlands consulting firms based in Porto Alegre, Brazil
- Wetlands consulting firms based in Rio De Janeiro, Brazil
- Wetlands consulting firms based in Sao Paulo, Brazil
- Wetlands consulting firms based in Calgary, Canada
- Wetlands consulting firms based in Edmonton, Canada
Cite this list
RevenueBase Data Team. Top 25 wetlands consulting firms based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/wetlands-consulting-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Wetlands consulting firms based in Brisbane, Australia
- Wetlands consulting firms based in Melbourne, Australia
- Wetlands consulting firms based in Perth, Australia
- Wetlands consulting firms based in Sydney, Australia
- Wetlands consulting firms based in Belo Horizonte, Brazil
- Wetlands consulting firms based in Campinas, Brazil
Company intelligence · public preview
Top 25 wetlands consulting firms based in the United States
RevenueBase records 2,807 matching company records for wetlands consulting firms based in the United States, with 86,713 tracked contacts and 41,752 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 wetlands consulting firms based in the United States
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 | 12,999 contacts → |
“Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | APTIMaptim.com HQ: Baton Rouge, LA, United StatesReported employees: 1,001-5,000 | Baton Rouge, LA, United States | 1,001-5,000 | Exact match | 2,639 contacts → |
“APTIM enhances the quality of the environment, wellbeing of people, resilience of communities, and opportunity for employees to make a difference, not just a living.” Recorded description excerpt · September 29, 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 | 2,473 contacts → |
“Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Geosyntec Consultantsgeosyntec.com HQ: Boca Raton, FL, United StatesReported employees: 1,001-5,000 | Boca Raton, FL, United States | 1,001-5,000 | Exact match | 2,393 contacts → |
“Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Providenceprovidenceeng.com HQ: Baton Rouge, LA, United StatesReported employees: Not recorded | Baton Rouge, LA, United States | Not recorded | Exact match | 2,232 contacts → |
“Providence is an employee-owned engineering and environmental consulting firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hazen And Sawyerhazenandsawyer.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 2,100 contacts → |
“As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Swca Environmental Consultantsswca.com HQ: Phoenix, AZ, United StatesReported employees: 1,001-5,000 | Phoenix, AZ, United States | 1,001-5,000 | Exact match | 1,629 contacts → |
“Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Montrose Environmental Grouponterris.com HQ: Little Rock, AR, United StatesReported employees: 1,001-5,000 | Little Rock, AR, United States | 1,001-5,000 | Exact match | 1,529 contacts → |
“Onterris (formerly Montrose Environmental Group) was one of the first to see environmental responsibility as not just an imperative but as a strategic asset.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Verdantasverdantas.com HQ: Tampa, FL, United StatesReported employees: 1,001-5,000 | Tampa, FL, United States | 1,001-5,000 | Exact match | 1,139 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Apex Companiesapexcos.com HQ: Rockville, MD, United StatesReported employees: 1,001-5,000 | Rockville, MD, United States | 1,001-5,000 | Exact match | 1,137 contacts → |
“Who is Apex?” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Bge, INCbgeinc.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,112 contacts → |
“Ranked No.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Barr Engineering CObarr.com HQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Braun Intertec Corporationbraunintertec.com HQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 1,065 contacts → |
“At Braun Intertec, we work at the intersection of the natural and built environments, combining science, technology, and engineering.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | IEAieasafety.com HQ: Brooklyn Park, MN, United StatesReported employees: Not recorded | Brooklyn Park, MN, United States | Not recorded | Exact match | 982 contacts → |
“The Institute for Environmental Assessment, Inc.(IEA) is small business committed to providing trusted environmental safety consulting services for private and public…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Trinity Consultantstrinityconsultants.com HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 961 contacts → |
“Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Parametrixparametrix.com HQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 880 contacts → |
“At Parametrix, we help our clients imagine what's possible.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | ATC Group Services LLConeatlas.com HQ: Lafayette, LA, United StatesReported employees: 1,001-5,000 | Lafayette, LA, United States | 1,001-5,000 | Exact match | 865 contacts → |
“ATC Group Services LLC is now Atlas.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | ENVUenvu.com HQ: Cary, NC, United StatesReported employees: 1,001-5,000 | Cary, NC, United States | 1,001-5,000 | Exact match | 807 contacts → |
“At Envu, we partner with our customers to design world-class, forward-thinking innovations that protect and enhance the health of environments around the world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | DUDEKdudek.com HQ: Encinitas, CA, United StatesReported employees: 501-1,000 | Encinitas, CA, United States | 501-1,000 | Exact match | 795 contacts → |
“Dudek is an environmental, planning, and engineering consulting firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | The Foth Companiesfoth.com HQ: De Pere, WI, United StatesReported employees: 501-1,000 | De Pere, WI, United States | 501-1,000 | Exact match | 781 contacts → |
“By combining science, engineering, and technology with a true collaborative spirit, Foth has delivered innovative solutions to our clients since 1938.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Environmental Science Associatesesassoc.com HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 732 contacts → |
“ESA is a 100% employee-owned environmental consulting firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Trihydro Corporationtrihydro.com HQ: Laramie, WY, United StatesReported employees: 501-1,000 | Laramie, WY, United States | 501-1,000 | Exact match | 577 contacts → |
“Headquartered in Laramie, Wyoming, Trihydro provides environmental consulting, engineering and surveying, air quality and process management, information technology, and water and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | EBI Consultingebiconsulting.com HQ: Burlington, MA, United StatesReported employees: 501-1,000 | Burlington, MA, United States | 501-1,000 | Exact match | 535 contacts → |
“For 35 years we have been helping investors, lenders, owners, developers, contractors, and property managers reduce risk and optimize their built facilities, infrastructure and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | BSC Groupbscgroup.com HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 504 contacts → |
“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 description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Anchor QEAanchorqea.com HQ: Seattle, WA, United StatesReported employees: 501-1,000 | Seattle, WA, United States | 501-1,000 | Exact match | 479 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,807 company matches
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Wetlands consulting firms: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,804 records in the displayed employee bands.
3 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 2,807 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for wetlands consulting 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 wetlands consulting firms did RevenueBase find based in the United States?
The saved snapshot records 2,807 matching company records, 86,713 tracked contacts and 41,752 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Wetlands consulting firms by geography
- Wetlands consulting firms based in Brisbane, Australia
- Wetlands consulting firms based in Melbourne, Australia
- Wetlands consulting firms based in Perth, Australia
- Wetlands consulting firms based in Sydney, Australia
- Wetlands consulting firms based in Belo Horizonte, Brazil
- Wetlands consulting firms based in Campinas, Brazil
- Wetlands consulting firms based in Curitiba, Brazil
- Wetlands consulting firms based in Porto Alegre, Brazil
- Wetlands consulting firms based in Rio De Janeiro, Brazil
- Wetlands consulting firms based in Sao Paulo, Brazil
- Wetlands consulting firms based in Calgary, Canada
- Wetlands consulting firms based in Edmonton, Canada
Cite this list
RevenueBase Data Team. Top 25 wetlands consulting firms based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/wetlands-consulting-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Wetlands consulting firms based in Brisbane, Australia
- Wetlands consulting firms based in Melbourne, Australia
- Wetlands consulting firms based in Perth, Australia
- Wetlands consulting firms based in Sydney, Australia
- Wetlands consulting firms based in Belo Horizonte, Brazil
- Wetlands consulting firms based in Campinas, Brazil