Company lists · Data refreshed September 2026
Top 25 Environmental site assessment companies worldwide
RevenueBase identified 5,110 company matches for environmental site assessment companies worldwide as of September 2026 and tracks 58,177 professional contacts across them, including 22,704 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 companies 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 companies 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 companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 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 | |||||
| 3 | 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 | |||||
| 4 | 895 contacts → | ||||
Exact match “Pinchin Ltd.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 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 | |||||
| 6 | 543 contacts → | ||||
Exact match “We are Eni’s environmental company active for over 20 years, in giving new life, according to the principles of the circular economy, to industrial land, water and waste through…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 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 | |||||
| 8 | 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 | |||||
| 9 | 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 | |||||
| 10 | 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 | |||||
| 11 | 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 | |||||
| 12 | 433 contacts → | ||||
Exact match “AEI Consultants provides building, environmental, land and sustainability assessment and consulting services throughout North America.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 353 contacts → | ||||
Exact match “Serving the property due diligence industry since 1990 With over two decades of experience delivering the most comprehensive environmental risk data in the United States, EDR…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 343 contacts → | ||||
Exact match “ADX Groupe, votre bureau d'études de l'existant - Réalisation de diagnostics immobiliers obligatoires lors de la transaction ou location des biens- Recherche d’amiante dans tous…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 293 contacts → | ||||
Exact match “LabAnalysis Environmental Science is LabAnalysis Group's company dedicated to the environmental sector.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 273 contacts → | ||||
Exact match “Environmental Restoration LLC (ER) is 100% employee-owned and provides Environmental Site Remediation, Construction and Emergency Response services for hazardous waste materials…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 264 contacts → | ||||
Exact match “Nova Group, GBC is an international, multidisciplinary advising firm providing environmental, engineering and energy services throughout North America and around the globe.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 262 contacts → | ||||
Exact match “Established in 1996, JBS & G is one of Australia’s leading environmental consultancies with offices in Sydney, Melbourne, Perth, Adelaide, Brisbane, Canberra, Darwin, Wollongong…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 259 contacts → | ||||
Exact match “GSI Environmental, Inc.(GSI), is an environmental engineering and science consulting firm committed to measuring, analyzing, and solving complex environmental problems around the…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 252 contacts → | ||||
Exact match “At Applus+, we provide environmental management services to help clients reduce their environmental footprint and improve operational efficiency, while minimizing risks and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 248 contacts → | ||||
Exact match “CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 241 contacts → | ||||
Exact match “EHS Support is a global family of engineers, geologists, scientists, and technical experts who specialize in complex environmental, health, and safety (EH & S) challenges across…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 238 contacts → | ||||
Exact match “Environmental Works, Inc.(EWI) offers truly comprehensive environmental solutions for a variety of industries, businesses, and municipalities.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 234 contacts → | ||||
Exact match “A WALM Engenharia e Tecnologia Ambiental Ltda.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 218 contacts → | ||||
Exact match “Founded in 2003, Normec i2 Analytical is one of Europe's leading environmental testing companies providing its customers a comprehensive range of analytical, monitoring and…” 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 companies”. 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 5,110 environmental site assessment companies worldwide
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Environmental site assessment companies 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 companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “environmental site assessment companies” 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 22,704 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 companies by location
17 lists · largest firstEvery Environmental site assessment companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Environmental site assessment companies based in the United States1,701
- Environmental site assessment companies based in Brazil495
- Environmental site assessment companies based in Canada285
- Environmental site assessment companies based in France228
- Environmental site assessment companies based in Australia167
- Environmental site assessment companies based in the United Kingdom136
- Environmental site assessment companies based in India120
- Environmental site assessment companies based in Italy112
- Environmental site assessment companies based in Türkiye99
- Environmental site assessment companies based in Germany82
- Environmental site assessment companies based in Spain70
- Environmental site assessment companies based in Chile64
- Environmental site assessment companies based in South Africa64
- Environmental site assessment companies based in the Netherlands59
- Environmental site assessment companies based in Poland46
- Environmental site assessment companies based in Belgium29
- Environmental site assessment companies based in Saudi Arabia28
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 companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many environmental site assessment companies are there worldwide?
RevenueBase identified 5,110 company matches for environmental site assessment companies 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?
Langan Engineering & Environmental Services 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 companies?
The United States leads with 1,701 companies, followed by Brazil (495) and Canada (285). Every environmental site assessment companies list by country and city is linked on this page.
Which city has the most environmental site assessment companies?
Sao Paulo leads with 75 company records, followed by Houston (37) and Calgary (34).
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 22,704 professional contacts with verified work emails tracked across these 5,110 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 5,110 environmental site assessment companies worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 environmental site assessment companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 5,110 matching company records for environmental site assessment companies worldwide, with 58,177 tracked contacts and 22,704 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 companies 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 | 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. | |||||
| 2 |  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. | |||||
| 3 |  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. | |||||
| 4 |  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. | |||||
| 5 |  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. | |||||
| 6 |  ENI Rewindenirewind.comHQ: San Donato Milanese, ItalyReported employees: 1,001-5,000 | San Donato Milanese, Italy | 1,001-5,000 | Exact match | 543 contacts → |
“We are Eni’s environmental company active for over 20 years, in giving new life, according to the principles of the circular economy, to industrial land, water and waste through…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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. | |||||
| 8 |  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. | |||||
| 9 |  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. | |||||
| 10 |  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. | |||||
| 11 |  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. | |||||
| 12 |  AEI Consultantsaeiconsultants.comHQ: Walnut Creek, CA, United StatesReported employees: 201-500 | Walnut Creek, CA, United States | 201-500 | Exact match | 433 contacts → |
“AEI Consultants provides building, environmental, land and sustainability assessment and consulting services throughout North America.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  EDRedrnet.comHQ: Shelton, CT, United StatesReported employees: 201-500 | Shelton, CT, United States | 201-500 | Exact match | 353 contacts → |
“Serving the property due diligence industry since 1990 With over two decades of experience delivering the most comprehensive environmental risk data in the United States, EDR…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ADX Groupeadx-groupe.comHQ: Château-gontier, FranceReported employees: 201-500 | Château-gontier, France | 201-500 | Exact match | 343 contacts → |
“ADX Groupe, votre bureau d'études de l'existant - Réalisation de diagnostics immobiliers obligatoires lors de la transaction ou location des biens- Recherche d’amiante dans tous…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Labanalysis Environmental Sciencelabanalysis.itHQ: San Giovanni Teatino, ItalyReported employees: 501-1,000 | San Giovanni Teatino, Italy | 501-1,000 | Exact match | 293 contacts → |
“LabAnalysis Environmental Science is LabAnalysis Group's company dedicated to the environmental sector.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Environmental Restoration LLCerllc.com HQ: Saint Louis, MO, United StatesReported employees: 201-500 | Saint Louis, MO, United States | 201-500 | Exact match | 273 contacts → |
“Environmental Restoration LLC (ER) is 100% employee-owned and provides Environmental Site Remediation, Construction and Emergency Response services for hazardous waste materials…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Nova Group, GBCnovagroupgbc.comHQ: St. Louis Park, MN, United StatesReported employees: 201-500 | St. Louis Park, MN, United States | 201-500 | Exact match | 264 contacts → |
“Nova Group, GBC is an international, multidisciplinary advising firm providing environmental, engineering and energy services throughout North America and around the globe.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Jbs&gjbsg.com.auHQ: Sydney, AustraliaReported employees: 201-500 | Sydney, Australia | 201-500 | Exact match | 262 contacts → |
“Established in 1996, JBS & G is one of Australia’s leading environmental consultancies with offices in Sydney, Melbourne, Perth, Adelaide, Brisbane, Canberra, Darwin, Wollongong…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  GSI Environmental INCgsienv.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 259 contacts → |
“GSI Environmental, Inc.(GSI), is an environmental engineering and science consulting firm committed to measuring, analyzing, and solving complex environmental problems around the…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Applus Environmentapplus.comHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 252 contacts → |
“At Applus+, we provide environmental management services to help clients reduce their environmental footprint and improve operational efficiency, while minimizing risks and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Cascade Environmental, LLCcascade-env.comHQ: Bothell, WA, United StatesReported employees: 1,001-5,000 | Bothell, WA, United States | 1,001-5,000 | Exact match | 248 contacts → |
“CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  EHS Supportehs-support.comHQ: Pittsburgh, United StatesReported employees: 201-500 | Pittsburgh, United States | 201-500 | Exact match | 241 contacts → |
“EHS Support is a global family of engineers, geologists, scientists, and technical experts who specialize in complex environmental, health, and safety (EH & S) challenges across…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Environmental Works, INCenvironmentalworks.comHQ: Springfield, MO, United StatesReported employees: 201-500 | Springfield, MO, United States | 201-500 | Exact match | 238 contacts → |
“Environmental Works, Inc.(EWI) offers truly comprehensive environmental solutions for a variety of industries, businesses, and municipalities.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Walm Engenharia E Tecnologia Ambientalwalmambiental.com.brHQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 234 contacts → |
“A WALM Engenharia e Tecnologia Ambiental Ltda.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Normec I2 Analyticali2analytical.comHQ: Hertfordshire, United KingdomReported employees: 201-500 | Hertfordshire, United Kingdom | 201-500 | Exact match | 218 contacts → |
“Founded in 2003, Normec i2 Analytical is one of Europe's leading environmental testing companies providing its customers a comprehensive range of analytical, monitoring and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,110 company matches
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Environmental site assessment companies: 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
5,082 records in the displayed employee bands.
28 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 5,110 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 companies by location
17 lists · largest firstEvery Environmental site assessment companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Environmental site assessment companies based in the United States1,701
- Environmental site assessment companies based in Brazil495
- Environmental site assessment companies based in Canada285
- Environmental site assessment companies based in France228
- Environmental site assessment companies based in Australia167
- Environmental site assessment companies based in the United Kingdom136
- Environmental site assessment companies based in India120
- Environmental site assessment companies based in Italy112
- Environmental site assessment companies based in Türkiye99
- Environmental site assessment companies based in Germany82
- Environmental site assessment companies based in Spain70
- Environmental site assessment companies based in Chile64
- Environmental site assessment companies based in South Africa64
- Environmental site assessment companies based in the Netherlands59
- Environmental site assessment companies based in Poland46
- Environmental site assessment companies based in Belgium29
- Environmental site assessment companies based in Saudi Arabia28
Questions about this company list
What does Exact match mean for environmental site assessment companies?
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 companies did RevenueBase find worldwide?
The saved snapshot records 5,110 matching company records, 58,177 tracked contacts and 22,704 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 companies worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/environmental-site-assessment-companies.
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 companies worldwide
RevenueBase records 5,110 matching company records for environmental site assessment companies worldwide, with 58,177 tracked contacts and 22,704 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 companies 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 | 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. | |||||
| 2 | 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. | |||||
| 3 | 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. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | ENI Rewindenirewind.com HQ: San Donato Milanese, ItalyReported employees: 1,001-5,000 | San Donato Milanese, Italy | 1,001-5,000 | Exact match | 543 contacts → |
“We are Eni’s environmental company active for over 20 years, in giving new life, according to the principles of the circular economy, to industrial land, water and waste through…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | 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. | |||||
| 11 | 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. | |||||
| 12 | AEI Consultantsaeiconsultants.com HQ: Walnut Creek, CA, United StatesReported employees: 201-500 | Walnut Creek, CA, United States | 201-500 | Exact match | 433 contacts → |
“AEI Consultants provides building, environmental, land and sustainability assessment and consulting services throughout North America.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | EDRedrnet.com HQ: Shelton, CT, United StatesReported employees: 201-500 | Shelton, CT, United States | 201-500 | Exact match | 353 contacts → |
“Serving the property due diligence industry since 1990 With over two decades of experience delivering the most comprehensive environmental risk data in the United States, EDR…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ADX Groupeadx-groupe.com HQ: Château-gontier, FranceReported employees: 201-500 | Château-gontier, France | 201-500 | Exact match | 343 contacts → |
“ADX Groupe, votre bureau d'études de l'existant - Réalisation de diagnostics immobiliers obligatoires lors de la transaction ou location des biens- Recherche d’amiante dans tous…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Labanalysis Environmental Sciencelabanalysis.it HQ: San Giovanni Teatino, ItalyReported employees: 501-1,000 | San Giovanni Teatino, Italy | 501-1,000 | Exact match | 293 contacts → |
“LabAnalysis Environmental Science is LabAnalysis Group's company dedicated to the environmental sector.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Environmental Restoration LLCerllc.com HQ: Saint Louis, MO, United StatesReported employees: 201-500 | Saint Louis, MO, United States | 201-500 | Exact match | 273 contacts → |
“Environmental Restoration LLC (ER) is 100% employee-owned and provides Environmental Site Remediation, Construction and Emergency Response services for hazardous waste materials…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nova Group, GBCnovagroupgbc.com HQ: St. Louis Park, MN, United StatesReported employees: 201-500 | St. Louis Park, MN, United States | 201-500 | Exact match | 264 contacts → |
“Nova Group, GBC is an international, multidisciplinary advising firm providing environmental, engineering and energy services throughout North America and around the globe.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Jbs&gjbsg.com.au HQ: Sydney, AustraliaReported employees: 201-500 | Sydney, Australia | 201-500 | Exact match | 262 contacts → |
“Established in 1996, JBS & G is one of Australia’s leading environmental consultancies with offices in Sydney, Melbourne, Perth, Adelaide, Brisbane, Canberra, Darwin, Wollongong…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | GSI Environmental INCgsienv.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 259 contacts → |
“GSI Environmental, Inc.(GSI), is an environmental engineering and science consulting firm committed to measuring, analyzing, and solving complex environmental problems around the…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Applus Environmentapplus.com HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 252 contacts → |
“At Applus+, we provide environmental management services to help clients reduce their environmental footprint and improve operational efficiency, while minimizing risks and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Cascade Environmental, LLCcascade-env.com HQ: Bothell, WA, United StatesReported employees: 1,001-5,000 | Bothell, WA, United States | 1,001-5,000 | Exact match | 248 contacts → |
“CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | EHS Supportehs-support.com HQ: Pittsburgh, United StatesReported employees: 201-500 | Pittsburgh, United States | 201-500 | Exact match | 241 contacts → |
“EHS Support is a global family of engineers, geologists, scientists, and technical experts who specialize in complex environmental, health, and safety (EH & S) challenges across…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Environmental Works, INCenvironmentalworks.com HQ: Springfield, MO, United StatesReported employees: 201-500 | Springfield, MO, United States | 201-500 | Exact match | 238 contacts → |
“Environmental Works, Inc.(EWI) offers truly comprehensive environmental solutions for a variety of industries, businesses, and municipalities.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Walm Engenharia E Tecnologia Ambientalwalmambiental.com.br HQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 234 contacts → |
“A WALM Engenharia e Tecnologia Ambiental Ltda.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Normec I2 Analyticali2analytical.com HQ: Hertfordshire, United KingdomReported employees: 201-500 | Hertfordshire, United Kingdom | 201-500 | Exact match | 218 contacts → |
“Founded in 2003, Normec i2 Analytical is one of Europe's leading environmental testing companies providing its customers a comprehensive range of analytical, monitoring and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Environmental site assessment companies: 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
5,082 records in the displayed employee bands.
28 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 5,110 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 companies by location
17 lists · largest firstEvery Environmental site assessment companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Environmental site assessment companies based in the United States1,701
- Environmental site assessment companies based in Brazil495
- Environmental site assessment companies based in Canada285
- Environmental site assessment companies based in France228
- Environmental site assessment companies based in Australia167
- Environmental site assessment companies based in the United Kingdom136
- Environmental site assessment companies based in India120
- Environmental site assessment companies based in Italy112
- Environmental site assessment companies based in Türkiye99
- Environmental site assessment companies based in Germany82
- Environmental site assessment companies based in Spain70
- Environmental site assessment companies based in Chile64
- Environmental site assessment companies based in South Africa64
- Environmental site assessment companies based in the Netherlands59
- Environmental site assessment companies based in Poland46
- Environmental site assessment companies based in Belgium29
- Environmental site assessment companies based in Saudi Arabia28
Questions about this company list
What does Exact match mean for environmental site assessment companies?
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 companies did RevenueBase find worldwide?
The saved snapshot records 5,110 matching company records, 58,177 tracked contacts and 22,704 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
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Cite this list
RevenueBase Data Team. Top 25 environmental site assessment companies worldwide. Snapshot: September 19, 2026. https://revenuebase.ai/companies/browse/environmental-site-assessment-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗