Company lists · Data refreshed September 2026
Top 25 Environmental monitoring firms worldwide
RevenueBase identified 7,448 environmental monitoring firms worldwide as of September 2026 and tracks 99,036 professional contacts across them, including 27,631 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers environmental monitoring firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for environmental monitoring firms follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 monitoring firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,228 contacts → | ||||
Indirect evidence “Pace® Science and Technology Company makes the world a safer, healthier place.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 956 contacts → | ||||
Partial evidence “Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 895 contacts → | ||||
Indirect evidence “Pinchin Ltd.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 783 contacts → | ||||
Indirect evidence “Somos una empresa sólida, confiable, orientada al cliente; líder en el manejo ambiental, con procesos de calidad, tecnología y recursos humanos competentes.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 738 contacts → | ||||
Indirect evidence “We are committed to strengthening safety systems with the most reliable Testing and Auditing Solutions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 719 contacts → | ||||
Partial evidence “As the nation's leading environmental testing firm, EMSL's network of nationwide laboratories has been providing quality analytical services since 1981.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 639 contacts → | ||||
Indirect evidence “ENVEA: Elevating Standards.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 585 contacts → | ||||
Indirect evidence “Leader des prestations analytiques environnementales et agroalimentaires accrédité COFRAC, agréé par le Ministère de la santé Votre environnement et votre santé sont nos priorités.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 577 contacts → | ||||
Partial evidence “Headquartered in Laramie, Wyoming, Trihydro provides environmental consulting, engineering and surveying, air quality and process management, information technology, and water and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 540 contacts → | ||||
Indirect evidence “A CTA foi criada em 1995, em Belo Horizonte Minas Gerais, ampliando sua atividade e posicionando sua sede no estado do Rio de Janeiro em Duque de Caxias, próximo ao Pólo…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 471 contacts → | ||||
Partial evidence “Since 1962, Vertex has been a leading North American provider of environmental services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 433 contacts → | ||||
Partial evidence “Founded 40 years ago, Roux is recognized for being a highly effective, client-focused environmental consulting and management firm.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 418 contacts → | ||||
Indirect evidence “Founded in 1994, in Barcelona, Spain, Amphos21 includes three companies in Spain (1994), Chile (2009) and Peru (2012).” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 398 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 368 contacts → | ||||
Partial evidence “Laboratories that carry out analysis in different fields: environment, pharmaceutical, food, health and safety, agrochemicals and consumer product testing - Environmental…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 356 contacts → | ||||
Partial evidence “We are India’s Leading Environmental Management Company and Service Provider, serving as a catalyst to the cause of Environmental preservation for the Industrial and Domestic…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 325 contacts → | ||||
Indirect evidence “Life Sciences Testing Group” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 323 contacts → | ||||
Partial evidence “Mesa Labs helps you monitor and maintain higher standards in any environment – from the air we breathe to the critical moments of life-saving care.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 297 contacts → | ||||
Indirect evidence “Reducing emissions, detecting leaks, mitigating risk, optimizing operations, ensuring compliance and advancing research are some of the challenges facing our clients.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 262 contacts → | ||||
Partial evidence “Established in 1996, JBS & G is one of Australia’s leading environmental consultancies with offices in Sydney, Melbourne, Perth, Adelaide, Brisbane, Canberra, Darwin, Wollongong…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 259 contacts → | ||||
Partial evidence “GSI Environmental, Inc.(GSI), is an environmental engineering and science consulting firm committed to measuring, analyzing, and solving complex environmental problems around the…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 254 contacts → | ||||
Indirect evidence “Since 1987, Alpha Analytical, Inc.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 252 contacts → | ||||
Partial evidence “At Applus+, we provide environmental management services to help clients reduce their environmental footprint and improve operational efficiency, while minimizing risks and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 250 contacts → | ||||
Strong evidence “Sperosens provides Environmental Monitoring and Fire Protection solutions to the African mining industry and has done so with an impeccable track record for 30 years.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 240 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: environmental monitoring firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names environmental monitoring firms.
- Partial evidence
- Its own public description names part of environmental monitoring firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name environmental monitoring firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 7,448 environmental monitoring firms worldwide
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Environmental monitoring 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
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among environmental monitoring firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for environmental monitoring firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “environmental monitoring firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names environmental monitoring firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among environmental monitoring firms, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 27,631 across the full list. 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.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Environmental monitoring firms by location
32 lists · largest firstEvery Environmental monitoring firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Environmental monitoring firms based in the United States2,117
- Environmental monitoring firms based in Brazil774
- Environmental monitoring firms based in Canada322
- Environmental monitoring firms based in India281
- Environmental monitoring firms based in Italy264
- Environmental monitoring firms based in France223
- Environmental monitoring firms based in the United Kingdom215
- Environmental monitoring firms based in Australia191
- Environmental monitoring firms based in Spain126
- Environmental monitoring firms based in Germany118
- Environmental monitoring firms based in Türkiye115
- Environmental monitoring firms based in Chile113
- Environmental monitoring firms based in Mexico102
- Environmental monitoring firms based in Peru94
- Environmental monitoring firms based in South Africa92
- Environmental monitoring firms based in Colombia91
- Environmental monitoring firms based in Argentina82
- Environmental monitoring firms based in Poland61
- Environmental monitoring firms based in the Netherlands59
- Environmental monitoring firms based in Malaysia51
- Environmental monitoring firms based in Saudi Arabia49
- Environmental monitoring firms based in Switzerland36
- Environmental monitoring firms based in Sweden34
- Environmental monitoring firms based in Belgium32
- Environmental monitoring firms based in the United Arab Emirates32
- Environmental monitoring firms based in Portugal28
- Environmental monitoring firms based in Ireland27
- Environmental monitoring firms based in New Zealand27
- Environmental monitoring firms based in Finland26
Cities
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names environmental monitoring firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many environmental monitoring firms are there worldwide?
RevenueBase identified 7,448 environmental monitoring firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Pace Analytical Services, headquartered in Minneapolis, tops this list with the largest team on record.
Which country has the most environmental monitoring firms?
The United States leads with 2,117 companies, followed by Brazil (774) and Canada (322). Every environmental monitoring firms list by country and city is linked on this page.
Which city has the most environmental monitoring firms?
Sao Paulo leads with 76 headquartered companies, followed by Houston (52) and Calgary (39).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 27,631 verified decision-maker contacts tracked across these 7,448 companies.
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.
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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 Smart Search, 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.