Company lists · Data refreshed October 2026

Top 25 Industrial environmental consultants worldwide

Name: Industrial environmental consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 16, 2026 22,960 companies tracked

RevenueBase identified 22,960 company matches for industrial environmental consultants worldwide as of October 2026 and tracks 338,887 professional contacts across them, including 103,419 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for industrial environmental consultants 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 16, 2026. Country and city lists for industrial environmental consultants 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 16, 2026 How this list was built

22,960Companies

338,887Contacts tracked

103,419Verified emails

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The 25 largest industrial environmental consultants worldwide

Ranked by team size

Top 25 of 22,960 company matches for industrial environmental consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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	Tetra Tech	Exact match	Pasadena, CA, United StatesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
2	Clean Harbors	Exact match	Norwell, MA, United StatesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
3	Terracon	Exact match	Olathe, KS, United StatesHQ recorded Oct 16, 2026	5,001-10,000	6,380 contacts →
	Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4	ION Exchange India LTD	Exact match	Mumbai, IndiaHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
5	Golder	Exact match	Vancouver, BC, CanadaHQ recorded Oct 16, 2026	5,001-10,000	3,241 contacts →
	Exact match “Golder was acquired by WSP.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6	Veolia Australia & NEW Zealand	Exact match	Pyrmont, AustraliaHQ recorded Oct 16, 2026	5,001-10,000	2,590 contacts →
	Exact match “Veolia Australia and New Zealand is a leading provider of environmental solutions across water and wastewater services, industrial cleaning, waste management and resource recovery…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
7	Geosyntec Consultants	Exact match	Boca Raton, FL, United StatesHQ recorded Oct 16, 2026	1,001-5,000	2,521 contacts →
	Exact match “Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8	Brown And Caldwell	Exact match	Walnut Creek, CA, United StatesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
9	Langan Engineering & Environmental Services	Exact match	Parsippany, NJ, United StatesHQ recorded Oct 16, 2026	1,001-5,000	2,402 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 · Oct 16, 2026 · View company records in RevenueBase
10	Providence	Exact match	Baton Rouge, LA, United StatesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
11	Civil & Environmental Consultants, INC	Exact match	Moon Township, PA, United StatesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
12	Swca Environmental Consultants	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
13	Apex Companies	Exact match	Rockville, MD, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,266 contacts →
	Exact match “Who is Apex?” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14	Verdantas	Exact match	Tampa, FL, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,252 contacts →
	Exact match “At Verdantas, we blend engineering and environmental science together with advanced technology and world-renowned labs to create solutions with the big picture in mind.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15	RSK Group	Exact match	Helsby, United KingdomHQ recorded Oct 16, 2026	10001+	1,212 contacts →
	Exact match “RSK Group is a global leader in the delivery of environmental and engineering solutions.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16	Paul Wurth S.A	Exact match	LuxembourgHQ recorded Oct 16, 2026	201-500	1,182 contacts →
	Exact match “Rooted and founded in Luxembourg more than a 150 years ago, Paul Wurth is a valued industrial engineering partner in the global ironmaking industry.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17	DGE Danmark	Exact match	Højbjerg, DenmarkHQ recorded Oct 16, 2026	n/a	1,171 contacts →
	Exact match “Miljø er vores kernekompetence og vores ansvar.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18	Triumvirate Environmental	Exact match	Somerville, MA, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,120 contacts →
	Exact match “Triumvirate Environmental provides sustainable environmental solutions to leading companies in the Life Sciences, Healthcare, Education, and Advanced Manufacturing markets.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19	Braun Intertec Corporation	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,109 contacts →
	Exact match “At Braun Intertec, we work at the intersection of the natural and built environments, combining science, technology, and engineering.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
20	Barr Engineering CO	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,108 contacts →
	Exact match “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21	Trinity Consultants	Exact match	Dallas, TX, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,077 contacts →
	Exact match “Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22	WSP Chile Y Argentina	Exact match	Vitacura, ChileHQ recorded Oct 16, 2026	10001+	1,057 contacts →
	Exact match “WSP en una empresa líder en servicios profesionales de consultoría en recursos hídricos, ingeniería, medio ambiente y sustentabilidad.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23	Alliance Technical Group	Exact match	Decatur, AL, United StatesHQ recorded Oct 16, 2026	1,001-5,000	1,048 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 · Oct 16, 2026 · View company records in RevenueBase
24	IEA	Exact match	Brooklyn Park, MN, United StatesHQ recorded Oct 16, 2026	n/a	1,001 contacts →
	Exact match “The Institute for Environmental Assessment, Inc.(IEA) is small business committed to providing trusted environmental safety consulting services for private and public…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25	CEDA	Exact match	Calgary, AB, CanadaHQ recorded Oct 16, 2026	1,001-5,000	978 contacts →
	Exact match “In a complex and ever-changing world, we’re the ones who get it done.” Recorded in the RevenueBase company graph · Oct 16, 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 “industrial environmental consultants”. 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 22,960 industrial environmental consultants worldwide

See the full list, filter by size, metro and specialty, and access 103,419 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial environmental consultants worldwide at a glance

As of Oct 16, 2026

30.5%Verified-email coverage

14.8Average contacts per company

1-10Median size (employees)

1.4%Largest-city concentration · Sao Paulo

Oct 16, 2026Page data refreshed

Companies by employee count

1-10

13,592

11-50

6,771

51-200

1,803

201-500

447

501-1,000

107

1,001-5,000

115

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 industrial environmental consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “industrial environmental consultants” 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 103,419 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 16, 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.

Industrial environmental consultants by location

92 lists · largest first

Every Industrial environmental consultants 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 “industrial environmental consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial environmental consultants are there worldwide?

RevenueBase identified 22,960 company matches for industrial environmental consultants 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?

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

Which country has the most industrial environmental consultants?

The United States leads with 4,069 companies, followed by Brazil (3,128) and Italy (996). Every industrial environmental consultants list by country and city is linked on this page.

Which city has the most industrial environmental consultants?

Sao Paulo leads with 325 company records, followed by Belo Horizonte (155) and Lima (131).

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 103,419 professional contacts with verified work emails tracked across these 22,960 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 16, 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.