Company lists · Data refreshed October 2026

Top 25 Environmental contractors worldwide

Name: Environmental contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 37,293 companies tracked

RevenueBase identified 37,293 company matches for environmental contractors worldwide as of October 2026 and tracks 663,002 professional contacts across them, including 172,568 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for environmental contractors 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 October 12, 2026. Country and city lists for environmental contractors 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 12, 2026 How this list was built

37,293Companies

663,002Contacts tracked

172,568Verified emails

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The 25 largest environmental contractors worldwide

Ranked by team size

Top 25 of 37,293 company matches for environmental contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Veolia	Exact match	Aubervilliers, FranceHQ recorded Oct 12, 2026	10001+	31,975 contacts →
	Exact match “Veolia, a global leader in environmental services, works every day to build environmental security for the benefit of public health and the competitiveness of industries and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Oct 12, 2026	10001+	13,725 contacts →
	Exact match “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Clean Harbors	Exact match	Norwell, MA, United StatesHQ recorded Oct 12, 2026	10001+	9,255 contacts →
	Exact match “Clean Harbors is North America’s leading provider of environmental and industrial services.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	GFL Environmental INC	Exact match	Vaughan, ON, CanadaHQ recorded Oct 12, 2026	10001+	6,275 contacts →
	Exact match “GFL Environmental is the only major diversified environmental services company in North America offering services in solid waste management, liquid waste management and soil…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	PT Bukit Makmur Mandiri Utama	Exact match	Cilandak, IndonesiaHQ recorded Oct 12, 2026	10001+	5,245 contacts →
	Exact match “PT Bukit Makmur Mandiri Utama (BUMA), is currently one of largest independent coal mining contractor in Indonesia.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Deme Group	Exact match	Beveren-kruibeke-zwijndrecht, BelgiumHQ recorded Oct 12, 2026	5,001-10,000	4,648 contacts →
	Exact match “DEME (Euronext Brussels: DEME) is a leading contractor in the fields of offshore energy, dredging and marine infrastructure, and environmental remediation.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Grupo Orbenk	Exact match	Joinville, BrazilHQ recorded Oct 12, 2026	10001+	4,180 contacts →
	Exact match “Há 39 anos no mercado, a Orbenk oferece qualidade e eficiência em terceirização de mão de obra especializada e serviços com foco em limpeza e conservação de ambientes.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	ION Exchange India LTD	Exact match	Mumbai, IndiaHQ recorded Oct 12, 2026	1,001-5,000	3,859 contacts →
	Exact match “At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Brock Group	Exact match	Houston, TX, United StatesHQ recorded Oct 12, 2026	10001+	3,292 contacts →
	Exact match “The Brock Group is a leading provider of industrial specialty services to clients around the world, with headquarters in Houston, TX, and operating units in Canada, the United…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Golder	Exact match	Vancouver, BC, CanadaHQ recorded Oct 12, 2026	5,001-10,000	3,241 contacts →
	Exact match “Golder was acquired by WSP.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Performance Contractors	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	2,920 contacts →
	Exact match “We began as a merit shop general industrial contractor back in 1979.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Seder Group	Exact match	Al Malqa, Saudi ArabiaHQ recorded Oct 12, 2026	10001+	2,770 contacts →
	Exact match “مجموعة سدر للتجارة والمقاولات هي شركة مختصة ورائدة في تقديم حلول إدارة المرافق المتكاملة وخدمات التشغيل والصيانة بمختلف المجالات وبخبرة تمتد إلى أكثر من ٤٦ عامًا مساهمةً في خلق…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	APTIM	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	2,692 contacts →
	Exact match “APTIM enhances the quality of the environment, wellbeing of people, resilience of communities, and opportunity for employees to make a difference, not just a living.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	RE Sustainability Limited	Exact match	Hyderabad, IndiaHQ recorded Oct 12, 2026	10001+	2,584 contacts →
	Exact match “Re is one of Asia’s leading integrated resource management and sustainability solutions companies, turning environmental challenges into sustainable value.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	TIC	Exact match	Englewood, CO, United StatesHQ recorded Oct 12, 2026	5,001-10,000	2,526 contacts →
	Exact match “TIC – The Industrial Company provides direct-hire construction services for industrial projects in the power, energy, mining and marine markets.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Brown And Caldwell	Exact match	Walnut Creek, CA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	2,510 contacts →
	Exact match “Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Providence	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 12, 2026	n/a	2,256 contacts →
	Exact match “Providence is an employee-owned engineering and environmental consulting firm.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Civil & Environmental Consultants, INC	Exact match	Moon Township, PA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	2,204 contacts →
	Exact match “Civil & Environmental Consultants, Inc.(CEC) provides comprehensive market-oriented consulting services that advance the strategic business objectives of its clients.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	ECC	Exact match	Burlingame, CA, United StatesHQ recorded Oct 12, 2026	n/a	2,123 contacts →
	Exact match “ECC is an employee-owned company that consistently ranks among the top construction and environmental companies in the world.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Carollo Engineers	Exact match	Walnut Creek, CA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,811 contacts →
	Exact match “For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Swca Environmental Consultants	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,661 contacts →
	Exact match “Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Weston Solutions, INC	Exact match	West Chester, PA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,525 contacts →
	Exact match “Weston Solutions, Inc.(Weston) is a 100% employee-owned environmental and infrastructure services firm committed to safety and providing measurable client value.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	PT Saptaindra Sejati SIS	Exact match	Jakarta Selatan, IndonesiaHQ recorded Oct 12, 2026	10001+	1,496 contacts →
	Exact match “PT Saptaindra Sejati (SIS) is one of Indonesia’s largest mining contractors.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Averda	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 12, 2026	10001+	1,449 contacts →
	Exact match “For over 35 years, we have delivered integrated waste management services across multiple regions.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	CCC Group, INC	Exact match	San Antonio, TX, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,403 contacts →
	Exact match “Group, Inc.” Recorded in the RevenueBase company graph · Oct 12, 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 contractors”. 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 37,293 environmental contractors worldwide

See the full list, filter by size, metro and specialty, and access 172,568 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental contractors worldwide at a glance

As of Oct 12, 2026

26.0%Verified-email coverage

17.8Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · Sao Paulo

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

16,248

11-50

13,258

51-200

5,135

201-500

1,409

501-1,000

470

1,001-5,000

380

5,001-10,000

10001+

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 contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “environmental contractors” 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 172,568 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 October 12, 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 contractors by location

151 lists · largest first

Every Environmental contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental contractors are there worldwide?

RevenueBase identified 37,293 company matches for environmental contractors worldwide as of October 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?

Veolia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most environmental contractors?

The United States leads with 11,179 companies, followed by Brazil (3,230) and Canada (1,793). Every environmental contractors list by country and city is linked on this page.

Which city has the most environmental contractors?

Sao Paulo leads with 338 company records, followed by Houston (208) and Calgary (154).

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 172,568 professional contacts with verified work emails tracked across these 37,293 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 October 12, 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 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.