Company lists · Data refreshed November 2026

Top 25 Contaminated site cleanup contractors worldwide

RevenueBase identified 5,279 company matches for contaminated site cleanup contractors worldwide as of November 2026 and tracks 80,537 professional contacts across them, including 27,115 with verified work emails. The United States is the largest market and Calgary the largest hub.

This list covers company matches for contaminated site cleanup 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 November 6, 2026. Country and city lists for contaminated site cleanup 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 Nov 6, 2026 How this list was built
5,279Companies
80,537Contacts tracked
27,115Verified emails
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The 25 largest contaminated site cleanup contractors worldwide

Ranked by team size
Top 25 of 5,279 company matches for contaminated site cleanup contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNorwell, MA, United StatesHQ recorded Nov 6, 202610001+9,552 contacts →

Exact match

“Clean Harbors is North America’s leading provider of environmental and industrial services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchVaughan, ON, CanadaHQ recorded Nov 6, 202610001+6,452 contacts →

Exact match

“GFL Environmental is the fourth largest diversified environmental services company in North America, providing comprehensive solid waste management services through a strategic…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAnaheim, MA, United StatesHQ recorded Nov 6, 20261,001-5,0001,231 contacts →

Exact match

“ATI Restoration improves the lives of its customers by helping them recover from property damage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSan Donato Milanese, ItalyHQ recorded Nov 6, 20261,001-5,000550 contacts →

Exact match

“We are Eni’s environmental company active for over 20 years, in giving new life, according to the principles of the circular economy, to industrial land, water and waste through…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchWestmont, IL, United StatesHQ recorded Nov 6, 2026501-1,000495 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchIslandia, NY, United StatesHQ recorded Nov 6, 2026201-500474 contacts →

Exact match

“The Roux organization applies sophisticated scientific, technical, and managerial resources to develop and implement effective, efficient, and sustainable solutions to our…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchReston, CA, United StatesHQ recorded Nov 6, 2026501-1,000453 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLivermore, CA, United StatesHQ recorded Nov 6, 2026201-500438 contacts →

Exact match

“RMC is a full-service cleaning and restoration company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchStovner, NorwayHQ recorded Nov 6, 20261,001-5,000329 contacts →

Exact match

“Recover er spesialister på opprydding og gjenoppbygging etter brann, vann- og miljøskader.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSt. Louis, TX, United StatesHQ recorded Nov 6, 2026201-500293 contacts →

Exact match

“Environmental Restoration LLC (ER) is 100% employee-owned and provides Environmental Site Remediation, Construction and Emergency Response services for hazardous waste materials…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNiagara Falls, MD, United StatesHQ recorded Nov 6, 2026501-1,000290 contacts →

Exact match

“Sevenson Environmental Services, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchParis, FranceHQ recorded Nov 6, 2026501-1,000286 contacts →

Exact match

“VALGO - Régénérer, Rénover, Revaloriser Entreprise internationale spécialisée dans la réhabilitation des sites pollués, VALGO transforme les sols, bâtiments et infrastructures…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAurora, IL, United StatesHQ recorded Nov 6, 2026201-500280 contacts →

Exact match

“With over 25 years of industry-leading experience, Aftermath Services® is the only trauma and hazard remediation company consistently elevating standards of care and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMacquarie Park, AustraliaHQ recorded Nov 6, 2026201-500265 contacts →

Exact match

“Enviropacific is committed to working towards creating safer environments and sustainable communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBothell, WA, United StatesHQ recorded Nov 6, 20261,001-5,000262 contacts →

Exact match

“CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCalverton, PA, United StatesHQ recorded Nov 6, 2026201-500259 contacts →

Exact match

“Miller Environmental Group is a leading environmental response, remediation and restoration services company, providing industry, government, commercial and residential customers…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSão Paulo, BrazilHQ recorded Nov 6, 2026201-500258 contacts →

Exact match

“TSL has been in the market for more than 30 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWarsaw, PolandHQ recorded Nov 6, 20261,001-5,000252 contacts →

Exact match

“ENERIS to ogólnopolska firma działająca w obszarze ochrony środowiska.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAzusa, CA, United StatesHQ recorded Nov 6, 2026501-1,000248 contacts →

Exact match

“Alliance is one of the most experienced and trusted environmental contractors in California.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchPorvoo, FinlandHQ recorded Nov 6, 2026501-1,000248 contacts →

Exact match

“Lamor is one of the world’s leading providers of environmental solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSpringfield, AR, United StatesHQ recorded Nov 6, 2026201-500245 contacts →

Exact match

“Environmental Works, Inc.(EWI) offers truly comprehensive environmental solutions for a variety of industries, businesses, and municipalities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMissoula, MT, United StatesHQ recorded Nov 6, 2026201-500241 contacts →

Exact match

“Envirocon safely and reliably delivers projects that protect, remediate, and restore our environment for commercial and government clients nationwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCincinnati, OH, United StatesHQ recorded Nov 6, 2026501-1,000237 contacts →

Exact match

“Superior Environmental Solutions (SES) is a one-source partner for industrial and environmental services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNorcross, TX, United StatesHQ recorded Nov 6, 202651-200235 contacts →

Exact match

“CAPE is an award-winning environmental remediation and infrastructure construction firm with a history of delivering excellence since 1985.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSignal Hill, CA, United StatesHQ recorded Nov 6, 2026201-500234 contacts →

Exact match

“Patriot Environmental Services, a Crystal Clean company, is a leading environmental service provider with clients throughout the Southwestern United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 5,279 contaminated site cleanup contractors worldwide

See the full list, filter by size, metro and specialty, and access 27,115 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Contaminated site cleanup contractors worldwide at a glance

As of Nov 6, 2026
33.7%Verified-email coverage
15.3Average contacts per company
11-50Median size (employees)
0.7%Largest-city concentration · Calgary
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,021
11-50
2,289
51-200
678
201-500
149
501-1,000
32
1,001-5,000
28
5,001-10,000
4
10001+
7

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 contaminated site cleanup contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “contaminated site cleanup 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 27,115 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 November 6, 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.

Contaminated site cleanup contractors by location

21 lists · largest first

Every Contaminated site cleanup 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 “contaminated site cleanup contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many contaminated site cleanup contractors are there worldwide?

RevenueBase identified 5,279 company matches for contaminated site cleanup contractors worldwide as of November 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 country has the most contaminated site cleanup contractors?

The United States leads with 2,882 companies, followed by Canada (345) and Italy (206). Every contaminated site cleanup contractors list by country and city is linked on this page.

Which city has the most contaminated site cleanup contractors?

Calgary leads with 39 company records, followed by Sao Paulo (38) and New York (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 27,115 professional contacts with verified work emails tracked across these 5,279 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 November 6, 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.