Company lists · Data refreshed October 2026

Top 25 Environmental remediation contractors industrial companies based in the United States

Name: Environmental remediation contractors industrial companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 3,843 companies tracked

RevenueBase identified 3,843 company matches for environmental remediation contractors industrial companies associated with the United States as of October 2026 and tracks 102,992 professional contacts across them, including 32,542 with verified work emails. Houston is the largest hub.

This list covers company matches for environmental remediation contractors industrial companies associated with the United States, 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.

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

3,843Companies

102,992Contacts tracked

32,542Verified emails

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The 25 largest environmental remediation contractors industrial companies based in the United States

Ranked by team size

Top 25 of 3,843 company matches for environmental remediation contractors industrial companies based in the United States, 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	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
2	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
3	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
4	NCH	Exact match	Wilmington, DE, United StatesHQ recorded Oct 12, 2026	10001+	2,497 contacts →
	Exact match “Cleaning water, conserving energy and delivering maintenance solutions since 1919.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	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
6	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
7	PMI	Exact match	Irvine, CA, United StatesHQ recorded Oct 12, 2026	n/a	1,361 contacts →
	Exact match “Training and Development Solutions” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	US Ecology Inc., A Republic Services Company	Exact match	Boise, ID, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,353 contacts →
	Exact match “US Ecology is a Republic Services company.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Strike	Exact match	Spring, TX, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,212 contacts →
	Exact match “Strike safely and reliably delivers the specialized asset maintenance, construction, and contracting services that are business-critical to the energy, chemical, manufacturing…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Triumvirate Environmental	Exact match	Somerville, MA, United StatesHQ recorded Oct 12, 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 12, 2026 · View company records in RevenueBase
11	Clean Earth	Exact match	King Of Prussia, PA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,110 contacts →
	Exact match “Veolia has completed the acquisition of Clean Earth, bringing together two organizations with a shared commitment to environmental stewardship, safety and operational excellence.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Alliance Technical Group	Exact match	Decatur, AL, United StatesHQ recorded Oct 12, 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 12, 2026 · View company records in RevenueBase
13	Crystal Clean	Exact match	Hoffman Estates, IL, United StatesHQ recorded Oct 12, 2026	1,001-5,000	933 contacts →
	Exact match “Crystal Clean is a national leader in the environmental services market, providing the smart alternative.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Montrose Environmental Group	Exact match	Little Rock, AR, United StatesHQ recorded Oct 12, 2026	1,001-5,000	843 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 · Oct 12, 2026 · View company records in RevenueBase
15	HPC Industrial Powered By Clean Harbors	Exact match	Deer Park, TX, United StatesHQ recorded Oct 12, 2026	5,001-10,000	693 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	VLS Environmental Solutions, LLC	Exact match	Houston, TX, United StatesHQ recorded Oct 12, 2026	1,001-5,000	496 contacts →
	Exact match “At VLS, we address your company’s most significant hurdles with waste management and compliance through sustainable solutions.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Entact, LLC	Exact match	Westmont, IL, United StatesHQ recorded Oct 12, 2026	501-1,000	491 contacts →
	Exact match “ENTACT is the partner of choice in solving our customer's most complex environmental remediation and geotechnical infrastructure challenges.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Thompson Industrial Services, LLC	Exact match	Sumter, SC, United StatesHQ recorded Oct 12, 2026	501-1,000	475 contacts →
	Exact match “Thompson Industrial Services, LLC offers the broadest line of specialized industrial cleaning services with advanced automated technology and seasoned personnel.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	ROUX	Exact match	Islandia, NY, United StatesHQ recorded Oct 12, 2026	201-500	468 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 · Oct 12, 2026 · View company records in RevenueBase
20	Groundwater & Environmental Services, INC	Exact match	Wall Township, NJ, United StatesHQ recorded Oct 12, 2026	201-500	462 contacts →
	Exact match “We are Groundwater & Environmental Services, Inc, better known as GES.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Ensafe	Exact match	Memphis, TN, United StatesHQ recorded Oct 12, 2026	201-500	460 contacts →
	Exact match “Innovation is not happenstance at EnSafe Inc.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Hydrogeologic, INC	Exact match	Reston, VA, United StatesHQ recorded Oct 12, 2026	501-1,000	440 contacts →
	Exact match “HydroGeoLogic, Inc.(HGL) is an employee-owned company with over 36 years of experience developing innovative, effective, and sustainable engineering and remediation solutions to…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Hepaco, LLC	Exact match	Charlotte, NC, United StatesHQ recorded Oct 12, 2026	501-1,000	415 contacts →
	Exact match “HEPACO is the premier environmental and emergency services company in the Eastern United States with coverage across 40+ regional offices.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Evergreen North America Industrial Services	Exact match	La Porte, TX, United StatesHQ recorded Oct 12, 2026	1,001-5,000	404 contacts →
	Exact match “Evergreen North America Industrial Services offers a comprehensive range of Industrial Services for oil refineries, petrochemical plants, power generation plants, manufacturing…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	UCC Environmental	Exact match	Waukegan, IL, United StatesHQ recorded Oct 12, 2026	201-500	401 contacts →
	Exact match “UCC Environmental (UCC) is a global leader in environmental solutions for solids handling, wastewater treatment and pollution control technologies in power generation and other…” 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 remediation contractors industrial 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 3,843 environmental remediation contractors industrial companies based in the United States

See the full list, filter by size, metro and specialty, and access 32,542 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental remediation contractors industrial companies based in the United States at a glance

As of Oct 12, 2026

31.6%Verified-email coverage

26.8Average contacts per company

11-50Median size (employees)

2.4%Largest-city concentration · Houston

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

1,435

11-50

1,541

51-200

608

201-500

144

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 3,843 companies.

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.
What qualifies: Company records associated with the United States whose business descriptions match “environmental remediation contractors industrial 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 32,542 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 remediation contractors industrial companies by metro

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

How many environmental remediation contractors industrial companies are there based in the United States?

RevenueBase identified 3,843 company matches for environmental remediation contractors industrial companies associated with the United States 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?

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

Which city has the most environmental remediation contractors industrial companies?

Houston leads with 94 company records, followed by New York (44) and Denver (35).

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 32,542 professional contacts with verified work emails tracked across these 3,843 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.