Company lists · Data refreshed September 2026
Top 25 Environmental site assessment firms worldwide
RevenueBase identified 5,792 company matches for environmental site assessment firms worldwide as of September 2026 and tracks 82,411 professional contacts across them, including 34,069 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers company matches for environmental site assessment 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 September 19, 2026. Country and city lists for environmental site assessment 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 environmental site assessment firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,167 contacts → | ||||
Exact match “Golder was acquired by WSP.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 2,232 contacts → | ||||
Exact match “Providence is an employee-owned engineering and environmental consulting firm.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 2,177 contacts → | ||||
Exact match “Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 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 19, 2026 · View company records in RevenueBase | |||||
| 5 | 1,358 contacts → | ||||
Exact match “Partner Assessment Corp.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 1,137 contacts → | ||||
Exact match “Who is Apex?” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 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 19, 2026 · View company records in RevenueBase | |||||
| 8 | 956 contacts → | ||||
Exact match “Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 895 contacts → | ||||
Exact match “Pinchin Ltd.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 880 contacts → | ||||
Exact match “Founded in 1964 as a soils and foundations specialty consultant, GZA GeoEnvironmental, Inc.(GZA) has grown into a full-service company providing its clients with highly…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 865 contacts → | ||||
Exact match “ATC Group Services LLC is now Atlas.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 719 contacts → | ||||
Exact match “As the nation's leading environmental testing firm, EMSL's network of nationwide laboratories has been providing quality analytical services since 1981.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 658 contacts → | ||||
Exact match “Antea Group is an international engineering and environmental consulting firm specializing in full-service solutions in the fields of environment, health and safety, and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 582 contacts → | ||||
Exact match “Founded in 1968, Raba Kistner Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 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 19, 2026 · View company records in RevenueBase | |||||
| 16 | 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 19, 2026 · View company records in RevenueBase | |||||
| 17 | 518 contacts → | ||||
Exact match “Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 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 19, 2026 · View company records in RevenueBase | |||||
| 19 | 479 contacts → | ||||
Exact match “Rincon Consultants is a multi-disciplinary environmental sciences, planning, and engineering consulting firm that provides quality professional services to government and industry.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 471 contacts → | ||||
Exact match “Since 1962, Vertex has been a leading North American provider of environmental services.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 463 contacts → | ||||
Exact match “Innovation is not happenstance at EnSafe Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 460 contacts → | ||||
Exact match “Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 448 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 447 contacts → | ||||
Exact match “We are Groundwater & Environmental Services, Inc, better known as GES.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 433 contacts → | ||||
Exact match “Founded 40 years ago, Roux is recognized for being a highly effective, client-focused environmental consulting and management firm.” Recorded in the RevenueBase company graph · Sep 19, 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 “environmental site assessment 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 5,792 environmental site assessment firms worldwide
See the full list, filter by size, metro and specialty, and access 34,069 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Environmental site assessment firms worldwide at a glance
As of Sep 19, 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 environmental site assessment firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “environmental site assessment 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 34,069 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 19, 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.
Environmental site assessment firms by location
22 lists · largest firstEvery Environmental site assessment firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Environmental site assessment firms based in the United States2,154
- Environmental site assessment firms based in Brazil572
- Environmental site assessment firms based in Canada321
- Environmental site assessment firms based in France258
- Environmental site assessment firms based in Australia187
- Environmental site assessment firms based in the United Kingdom128
- Environmental site assessment firms based in Italy124
- Environmental site assessment firms based in India112
- Environmental site assessment firms based in Germany101
- Environmental site assessment firms based in Türkiye92
- Environmental site assessment firms based in Chile74
- Environmental site assessment firms based in South Africa69
- Environmental site assessment firms based in Spain69
- Environmental site assessment firms based in the Netherlands65
- Environmental site assessment firms based in Poland37
- Environmental site assessment firms based in Belgium33
- Environmental site assessment firms based in Switzerland29
Cities
- Environmental site assessment firms based in Sao Paulo, Brazil78
- Environmental site assessment firms based in Houston, United States40
- Environmental site assessment firms based in New York, United States32
- Environmental site assessment firms based in Belo Horizonte, Brazil28
- Environmental site assessment firms based in Seattle, United States26
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 “environmental site assessment firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many environmental site assessment firms are there worldwide?
RevenueBase identified 5,792 company matches for environmental site assessment firms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Golder tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most environmental site assessment firms?
The United States leads with 2,154 companies, followed by Brazil (572) and Canada (321). Every environmental site assessment firms list by country and city is linked on this page.
Which city has the most environmental site assessment firms?
Sao Paulo leads with 78 company records, followed by Houston (40) and Calgary (35).
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 34,069 professional contacts with verified work emails tracked across these 5,792 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 5,792 environmental site assessment firms worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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 environmental site assessment 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 5,792 matching company records for environmental site assessment firms worldwide, with 82,411 tracked contacts and 34,069 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 19, 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 environmental site assessment 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 |  Goldergolder.comHQ: Vancouver, BC, CanadaReported employees: 5,001-10,000 | Vancouver, BC, Canada | 5,001-10,000 | Exact match | 3,167 contacts → |
“Golder was acquired by WSP.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Parsippany, NJ, United StatesReported employees: 1,001-5,000 | Parsippany, NJ, United States | 1,001-5,000 | Exact match | 2,177 contacts → |
“Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Partner Engineering & Science, INCpartneresi.comHQ: Torrance, CA, United StatesReported employees: 1,001-5,000 | Torrance, CA, United States | 1,001-5,000 | Exact match | 1,358 contacts → |
“Partner Assessment Corp.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Alliance Technical Groupalliancetg.comHQ: Decatur, AL, United StatesReported employees: 1,001-5,000 | Decatur, AL, United States | 1,001-5,000 | Exact match | 956 contacts → |
“Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Pinchin In Canadapinchin.comHQ: Mississauga, ON, CanadaReported employees: 1,001-5,000 | Mississauga, ON, Canada | 1,001-5,000 | Exact match | 895 contacts → |
“Pinchin Ltd.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  GZA Geoenvironmental, INCgza.comHQ: Norwood, MA, United StatesReported employees: 501-1,000 | Norwood, MA, United States | 501-1,000 | Exact match | 880 contacts → |
“Founded in 1964 as a soils and foundations specialty consultant, GZA GeoEnvironmental, Inc.(GZA) has grown into a full-service company providing its clients with highly…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Emsl Analytical, INCemsl.com HQ: Cinnaminson, NJ, United StatesReported employees: 501-1,000 | Cinnaminson, NJ, United States | 501-1,000 | Exact match | 719 contacts → |
“As the nation's leading environmental testing firm, EMSL's network of nationwide laboratories has been providing quality analytical services since 1981.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Antea Group USAanteagroup.comHQ: St Paul, MN, United StatesReported employees: 1,001-5,000 | St Paul, MN, United States | 1,001-5,000 | Exact match | 658 contacts → |
“Antea Group is an international engineering and environmental consulting firm specializing in full-service solutions in the fields of environment, health and safety, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Raba Kistner, INCrkci.comHQ: San Antonio, TX, United StatesReported employees: 501-1,000 | San Antonio, TX, United States | 501-1,000 | Exact match | 582 contacts → |
“Founded in 1968, Raba Kistner Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Nova Engineering And Environmental, LLCusanova.comHQ: Kennesaw, GA, United StatesReported employees: 501-1,000 | Kennesaw, GA, United States | 501-1,000 | Exact match | 518 contacts → |
“Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Rincon Consultantsrinconconsultants.comHQ: Ventura, CA, United StatesReported employees: 501-1,000 | Ventura, CA, United States | 501-1,000 | Exact match | 479 contacts → |
“Rincon Consultants is a multi-disciplinary environmental sciences, planning, and engineering consulting firm that provides quality professional services to government and industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Vertex Resource Group LTDvertex.caHQ: Sherwood Park, AB, CanadaReported employees: 1,001-5,000 | Sherwood Park, AB, Canada | 1,001-5,000 | Exact match | 471 contacts → |
“Since 1962, Vertex has been a leading North American provider of environmental services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ensafeensafe.comHQ: Memphis, TN, United StatesReported employees: 201-500 | Memphis, TN, United States | 201-500 | Exact match | 463 contacts → |
“Innovation is not happenstance at EnSafe Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Geo-Technology Associates, Inc. GTAgtaeng.comHQ: Abingdon, MD, United KingdomReported employees: 501-1,000 | Abingdon, MD, United Kingdom | 501-1,000 | Exact match | 460 contacts → |
“Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Sete Soluções E Tecnologia Ambientalsetehub.com.brHQ: Belo Horizonte, BrazilReported employees: 501-1,000 | Belo Horizonte, Brazil | 501-1,000 | Exact match | 448 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Groundwater & Environmental Services, INCgesonline.comHQ: Wall Township, NJ, United StatesReported employees: 201-500 | Wall Township, NJ, United States | 201-500 | Exact match | 447 contacts → |
“We are Groundwater & Environmental Services, Inc, better known as GES.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  ROUXrouxinc.comHQ: Islandia, NY, United StatesReported employees: 201-500 | Islandia, NY, United States | 201-500 | Exact match | 433 contacts → |
“Founded 40 years ago, Roux is recognized for being a highly effective, client-focused environmental consulting and management firm.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,792 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Environmental site assessment firms: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
5,763 records in the displayed employee bands.
29 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 5,792 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 19, 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 ↗
Environmental site assessment firms by location
22 lists · largest firstEvery Environmental site assessment firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Environmental site assessment firms based in the United States2,154
- Environmental site assessment firms based in Brazil572
- Environmental site assessment firms based in Canada321
- Environmental site assessment firms based in France258
- Environmental site assessment firms based in Australia187
- Environmental site assessment firms based in the United Kingdom128
- Environmental site assessment firms based in Italy124
- Environmental site assessment firms based in India112
- Environmental site assessment firms based in Germany101
- Environmental site assessment firms based in Türkiye92
- Environmental site assessment firms based in Chile74
- Environmental site assessment firms based in South Africa69
- Environmental site assessment firms based in Spain69
- Environmental site assessment firms based in the Netherlands65
- Environmental site assessment firms based in Poland37
- Environmental site assessment firms based in Belgium33
- Environmental site assessment firms based in Switzerland29
Cities
- Environmental site assessment firms based in Sao Paulo, Brazil78
- Environmental site assessment firms based in Houston, United States40
- Environmental site assessment firms based in New York, United States32
- Environmental site assessment firms based in Belo Horizonte, Brazil28
- Environmental site assessment firms based in Seattle, United States26
Questions about this company list
What does Exact match mean for environmental site assessment 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 environmental site assessment firms did RevenueBase find worldwide?
The saved snapshot records 5,792 matching company records, 82,411 tracked contacts and 34,069 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 19, 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 environmental site assessment firms worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/environmental-site-assessment-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 environmental site assessment firms worldwide
RevenueBase records 5,792 matching company records for environmental site assessment firms worldwide, with 82,411 tracked contacts and 34,069 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 19, 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 environmental site assessment 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 | Goldergolder.com HQ: Vancouver, BC, CanadaReported employees: 5,001-10,000 | Vancouver, BC, Canada | 5,001-10,000 | Exact match | 3,167 contacts → |
“Golder was acquired by WSP.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Parsippany, NJ, United StatesReported employees: 1,001-5,000 | Parsippany, NJ, United States | 1,001-5,000 | Exact match | 2,177 contacts → |
“Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Partner Engineering & Science, INCpartneresi.com HQ: Torrance, CA, United StatesReported employees: 1,001-5,000 | Torrance, CA, United States | 1,001-5,000 | Exact match | 1,358 contacts → |
“Partner Assessment Corp.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Alliance Technical Groupalliancetg.com HQ: Decatur, AL, United StatesReported employees: 1,001-5,000 | Decatur, AL, United States | 1,001-5,000 | Exact match | 956 contacts → |
“Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Pinchin In Canadapinchin.com HQ: Mississauga, ON, CanadaReported employees: 1,001-5,000 | Mississauga, ON, Canada | 1,001-5,000 | Exact match | 895 contacts → |
“Pinchin Ltd.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | GZA Geoenvironmental, INCgza.com HQ: Norwood, MA, United StatesReported employees: 501-1,000 | Norwood, MA, United States | 501-1,000 | Exact match | 880 contacts → |
“Founded in 1964 as a soils and foundations specialty consultant, GZA GeoEnvironmental, Inc.(GZA) has grown into a full-service company providing its clients with highly…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Emsl Analytical, INCemsl.com HQ: Cinnaminson, NJ, United StatesReported employees: 501-1,000 | Cinnaminson, NJ, United States | 501-1,000 | Exact match | 719 contacts → |
“As the nation's leading environmental testing firm, EMSL's network of nationwide laboratories has been providing quality analytical services since 1981.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Antea Group USAanteagroup.com HQ: St Paul, MN, United StatesReported employees: 1,001-5,000 | St Paul, MN, United States | 1,001-5,000 | Exact match | 658 contacts → |
“Antea Group is an international engineering and environmental consulting firm specializing in full-service solutions in the fields of environment, health and safety, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Raba Kistner, INCrkci.com HQ: San Antonio, TX, United StatesReported employees: 501-1,000 | San Antonio, TX, United States | 501-1,000 | Exact match | 582 contacts → |
“Founded in 1968, Raba Kistner Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nova Engineering And Environmental, LLCusanova.com HQ: Kennesaw, GA, United StatesReported employees: 501-1,000 | Kennesaw, GA, United States | 501-1,000 | Exact match | 518 contacts → |
“Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | 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 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Rincon Consultantsrinconconsultants.com HQ: Ventura, CA, United StatesReported employees: 501-1,000 | Ventura, CA, United States | 501-1,000 | Exact match | 479 contacts → |
“Rincon Consultants is a multi-disciplinary environmental sciences, planning, and engineering consulting firm that provides quality professional services to government and industry.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Vertex Resource Group LTDvertex.ca HQ: Sherwood Park, AB, CanadaReported employees: 1,001-5,000 | Sherwood Park, AB, Canada | 1,001-5,000 | Exact match | 471 contacts → |
“Since 1962, Vertex has been a leading North American provider of environmental services.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ensafeensafe.com HQ: Memphis, TN, United StatesReported employees: 201-500 | Memphis, TN, United States | 201-500 | Exact match | 463 contacts → |
“Innovation is not happenstance at EnSafe Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Geo-Technology Associates, Inc. GTAgtaeng.com HQ: Abingdon, MD, United KingdomReported employees: 501-1,000 | Abingdon, MD, United Kingdom | 501-1,000 | Exact match | 460 contacts → |
“Geo-Technology Associates, Inc.(GTA) proudly celebrates more than 40 years of service, backed by a team of 600+ professionals-including geotechnical engineers, environmental…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sete Soluções E Tecnologia Ambientalsetehub.com.br HQ: Belo Horizonte, BrazilReported employees: 501-1,000 | Belo Horizonte, Brazil | 501-1,000 | Exact match | 448 contacts → |
“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 description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Groundwater & Environmental Services, INCgesonline.com HQ: Wall Township, NJ, United StatesReported employees: 201-500 | Wall Township, NJ, United States | 201-500 | Exact match | 447 contacts → |
“We are Groundwater & Environmental Services, Inc, better known as GES.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ROUXrouxinc.com HQ: Islandia, NY, United StatesReported employees: 201-500 | Islandia, NY, United States | 201-500 | Exact match | 433 contacts → |
“Founded 40 years ago, Roux is recognized for being a highly effective, client-focused environmental consulting and management firm.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,792 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Environmental site assessment firms: dataset insights
September 19, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
5,763 records in the displayed employee bands.
29 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 5,792 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 19, 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 ↗
Environmental site assessment firms by location
22 lists · largest firstEvery Environmental site assessment firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Environmental site assessment firms based in the United States2,154
- Environmental site assessment firms based in Brazil572
- Environmental site assessment firms based in Canada321
- Environmental site assessment firms based in France258
- Environmental site assessment firms based in Australia187
- Environmental site assessment firms based in the United Kingdom128
- Environmental site assessment firms based in Italy124
- Environmental site assessment firms based in India112
- Environmental site assessment firms based in Germany101
- Environmental site assessment firms based in Türkiye92
- Environmental site assessment firms based in Chile74
- Environmental site assessment firms based in South Africa69
- Environmental site assessment firms based in Spain69
- Environmental site assessment firms based in the Netherlands65
- Environmental site assessment firms based in Poland37
- Environmental site assessment firms based in Belgium33
- Environmental site assessment firms based in Switzerland29
Cities
- Environmental site assessment firms based in Sao Paulo, Brazil78
- Environmental site assessment firms based in Houston, United States40
- Environmental site assessment firms based in New York, United States32
- Environmental site assessment firms based in Belo Horizonte, Brazil28
- Environmental site assessment firms based in Seattle, United States26
Questions about this company list
What does Exact match mean for environmental site assessment 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 environmental site assessment firms did RevenueBase find worldwide?
The saved snapshot records 5,792 matching company records, 82,411 tracked contacts and 34,069 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 19, 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 environmental site assessment firms worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/environmental-site-assessment-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗