Company lists · Data refreshed September 2026
Top 25 Power plant environmental compliance consultants worldwide
RevenueBase identified 5,216 power plant environmental compliance consultants worldwide as of September 2026 and tracks 48,695 professional contacts across them, including 15,647 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers power plant environmental compliance consultants 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 20, 2026. Country and city lists for power plant environmental compliance consultants 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 power plant environmental compliance consultants worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,088 contacts → | ||||
Partial evidence “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Source: RevenueBase Database · checked Sep 20, 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 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 688 contacts → | ||||
Indirect evidence “INERCO, with 30 years of experience, offers comprehensive services and develops advanced technologies that contribute to sustainable industrial development, acting as a leader in…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 658 contacts → | ||||
Partial evidence “Antea Group is an international engineering and environmental consulting firm specializing in full-service solutions in the fields of environment, health and safety, and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 447 contacts → | ||||
Partial evidence “We are Groundwater & Environmental Services, Inc, better known as GES.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 351 contacts → | ||||
Strong evidence “Triton Environmental Consultants knows western Canada.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 347 contacts → | ||||
Strong evidence “Valpak, a Reconomy brand, is an EcoVadis Platinum certified leader in environmental compliance, recycling, and sustainability solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 305 contacts → | ||||
Partial evidence “Environmental Consulting & Technology, Inc.(ECT) is a multi-disciplinary environmental and sustainability consulting firm delivering strategy, permitting, design, and management…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 297 contacts → | ||||
Partial 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 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 293 contacts → | ||||
Partial evidence “LabAnalysis Environmental Science is LabAnalysis Group's company dedicated to the environmental sector.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 288 contacts → | ||||
Indirect evidence “At Cascade Energy, we believe in better.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 264 contacts → | ||||
Partial evidence “Merjent is an environmental, restoration, and engineering consulting firm with a long history serving the energy industry.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 262 contacts → | ||||
Strong 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 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 240 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 234 contacts → | ||||
Indirect evidence “A GAP Ambiental oferece serviços para pequenas, médias e grandes empresas em diversas áreas que vão desde o licenciamento ao acompanhamento da execução de projetos.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 233 contacts → | ||||
Partial evidence “Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 218 contacts → | ||||
Partial evidence “At Kleinschmidt, we work primarily with energy companies and government agencies in North America to protect and enhance the environment without compromising performance.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 214 contacts → | ||||
Partial evidence “PEG presents a comprehensive capacity for the evaluation and understanding of a broad base of energy and environmental sustainability related programs, policies and initiatives.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 213 contacts → | ||||
Indirect evidence “Dansk Miljørådgivning A/S (DMR) er et rådgivende ingeniørfirma, der yder rådgivning indenfor bl.a:* forureningsundersøgelser og udarbejdelse af risikovurderinger.* oprensning af…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 211 contacts → | ||||
Strong evidence “Based in Louisville, KY, Charah Solutions is a leading provider of mission-critical environmental services and byproduct sales to the power generation industry.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 201 contacts → | ||||
Partial evidence “Nuverra Environmental Solutions is a company dedicated to the protection, enhancement and advancement of environmental solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 195 contacts → | ||||
Indirect evidence “Gestión Ambiental Consultores S.A.(GAC) es una empresa de consultoría ambiental fundada en 1991 que presta servicios en distintas áreas de la gestión ambiental para los…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 186 contacts → | ||||
Strong evidence “PGL Environmental Consultants consistently provides clients with a high level of support and confidence in our environmental management and planning decisions by combining…” Source: RevenueBase Database · checked Sep 20, 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: power plant environmental compliance consultants. 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 power plant environmental compliance consultants.
- Partial evidence
- Its own public description names part of power plant environmental compliance consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name power plant environmental compliance consultants. 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 5,216 power plant environmental compliance consultants worldwide
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Power plant environmental compliance consultants worldwide at a glance
As of Sep 20, 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 power plant environmental compliance consultants, 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 power plant environmental compliance consultants are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “power plant environmental compliance consultants”. 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 power plant environmental compliance consultants), 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 power plant environmental compliance consultants, 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, 15,647 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 20, 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.
Power plant environmental compliance consultants by location
23 lists · largest firstEvery Power plant environmental compliance consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Power plant environmental compliance consultants based in the United States987
- Power plant environmental compliance consultants based in Brazil908
- Power plant environmental compliance consultants based in India255
- Power plant environmental compliance consultants based in Canada187
- Power plant environmental compliance consultants based in Türkiye157
- Power plant environmental compliance consultants based in France136
- Power plant environmental compliance consultants based in the United Kingdom128
- Power plant environmental compliance consultants based in Italy126
- Power plant environmental compliance consultants based in Chile122
- Power plant environmental compliance consultants based in Mexico98
- Power plant environmental compliance consultants based in Spain98
- Power plant environmental compliance consultants based in Germany97
- Power plant environmental compliance consultants based in Australia94
- Power plant environmental compliance consultants based in Argentina88
- Power plant environmental compliance consultants based in South Africa87
- Power plant environmental compliance consultants based in Colombia70
- Power plant environmental compliance consultants based in Poland40
- Power plant environmental compliance consultants based in the Netherlands30
Cities
- Power plant environmental compliance consultants based in Sao Paulo, Brazil99
- Power plant environmental compliance consultants based in Belo Horizonte, Brazil49
- Power plant environmental compliance consultants based in Curitiba, Brazil34
- Power plant environmental compliance consultants based in Rio De Janeiro, Brazil32
- Power plant environmental compliance consultants based in Porto Alegre, Brazil28
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 power plant environmental compliance consultants, 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 power plant environmental compliance consultants are there worldwide?
RevenueBase identified 5,216 power plant environmental compliance consultants 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?
Barr Engineering CO, headquartered in Minneapolis, tops this list with the largest team on record.
Which country has the most power plant environmental compliance consultants?
The United States leads with 987 companies, followed by Brazil (908) and India (255). Every power plant environmental compliance consultants list by country and city is linked on this page.
Which city has the most power plant environmental compliance consultants?
Sao Paulo leads with 99 headquartered companies, followed by Belo Horizonte (49) and Calgary (36).
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 15,647 verified decision-maker contacts tracked across these 5,216 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 20, 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.