Company lists · Data refreshed November 2026

Top 25 Hazardous materials facility contractors worldwide

RevenueBase identified 7,938 company matches for hazardous materials facility contractors worldwide as of November 2026 and tracks 163,005 professional contacts across them, including 48,690 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for hazardous materials facility 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 hazardous materials facility 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
7,938Companies
163,005Contacts tracked
48,690Verified emails
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The 25 largest hazardous materials facility contractors worldwide

Ranked by team size
Top 25 of 7,938 company matches for hazardous materials facility 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 matchVolta Redonda, BrazilHQ recorded Nov 6, 202610001+4,135 contacts →

Exact match

“Somos a CBSI!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202610001+3,364 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 20261,001-5,0002,955 contacts →

Exact match

“Quem somos: Somos uma empresa nacional, com mais de 30 anos no segmento da construção, montagem e manutenção industrial.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBurlingame, CA, United StatesHQ recorded Nov 6, 2026n/a2,180 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBaton Rouge, LA, United StatesHQ recorded Nov 6, 20265,001-10,0002,075 contacts →

Exact match

“Brown & Root Industrial Services offers the full range of industrial services – engineering, construction, maintenance, turnaround, and specialty (painting, scaffolding…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20261,001-5,0001,846 contacts →

Exact match

“A IMC Saste, empresa fundada em 1992, tem atuação de abrangência nacional e unidades de negócio especializadas nas áreas de Facilities, Construção e Montagem, Manutenção…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMeridian, ID, United StatesHQ recorded Nov 6, 20261,001-5,0001,682 contacts →

Exact match

“Leading Provider of Site Services to Construction, Industrial, Government, Agriculture, Emergency Response and Special Events Industries”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchThe Woodlands, LA, United StatesHQ recorded Nov 6, 202610001+1,468 contacts →

Exact match

“As a leading construction and maintenance provider, Bilfinger aims to enhance the efficiency of assets and lower operational costs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSpring, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,228 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBaton Rouge, AZ, United StatesHQ recorded Nov 6, 20261,001-5,0001,111 contacts →

Exact match

“EXCEL is a leading provider of industrial construction services, including maintenance, turnarounds, fabrication, and disaster recovery.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLa Porte, KY, United StatesHQ recorded Nov 6, 20261,001-5,000943 contacts →

Exact match

“Starcon is a national, full-service contractor offering comprehensive industrial and mechanical services in the oil & gas/refining, chemical/petrochemical, natural gas processing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 20261,001-5,000905 contacts →

Exact match

“At Stuart Olson, we're not just dedicated to the Canadian construction and industrial services market – we're passionate about turning projects into success stories.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPerth, United StatesHQ recorded Nov 6, 2026501-1,000778 contacts →

Exact match

“Contract Resources have been providing specialised industrial services for over 30 years to the heavy process industries in Australia, New Zealand and the Middle East.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWestminster, CO, United StatesHQ recorded Nov 6, 20261,001-5,000777 contacts →

Exact match

“Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDeer Park, TX, United StatesHQ recorded Nov 6, 20265,001-10,000739 contacts →

Exact match

“HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchKennewick, WA, United StatesHQ recorded Nov 6, 20261,001-5,000730 contacts →

Exact match

“Apollo is based in Kennewick, Washington, performing Full Mechanical projects across the United States and around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDeer Park, LA, United StatesHQ recorded Nov 6, 20261,001-5,000728 contacts →

Exact match

“USA DeBusk serves the industrial infrastructure sector through a diverse and complementary suite of high-value traditional and specialty services for turnarounds, routine…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLimay, FranceHQ recorded Nov 6, 20261,001-5,000700 contacts →

Exact match

“The leading company in Europe for the treatment and recovery of hazardous waste and polluted sites.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMississauga, ON, CanadaHQ recorded Nov 6, 20261,001-5,000693 contacts →

Exact match

“Pinchin Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,000655 contacts →

Exact match

“The Mundy Companies is a privately owned company headquartered in Houston, Texas with offices Pasadena, TX, Nederland, TX, and Wilmington, NC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchColumbia, IL, United StatesHQ recorded Nov 6, 20261,001-5,000643 contacts →

Exact match

“STRUCTURAL integrates technology-driven solutions into its industry-leading specialty contracting services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchRaleigh, TN, United StatesHQ recorded Nov 6, 20261,001-5,000606 contacts →

Exact match

“Since 1962, Southern Industrial Constructors, Inc.(SIC) has been safely and cost effectively providing industrial construction services to the manufacturing, process and power…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBuenos Aires, ArgentinaHQ recorded Nov 6, 20261,001-5,000580 contacts →

Exact match

“We are a company that provides industrial cleaning, maintenance and induatrial hygiene.”

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

Showing 25 of 7,938 hazardous materials facility contractors worldwide

See the full list, filter by size, metro and specialty, and access 48,690 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hazardous materials facility contractors worldwide at a glance

As of Nov 6, 2026
29.9%Verified-email coverage
20.5Average contacts per company
11-50Median size (employees)
0.8%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,731
11-50
3,166
51-200
1,352
201-500
365
501-1,000
100
1,001-5,000
83
5,001-10,000
12
10001+
16

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 hazardous materials facility contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “hazardous materials facility 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 48,690 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.

Hazardous materials facility contractors by location

27 lists · largest first

Every Hazardous materials facility 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 “hazardous materials facility contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hazardous materials facility contractors are there worldwide?

RevenueBase identified 7,938 company matches for hazardous materials facility 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 hazardous materials facility contractors?

The United States leads with 3,120 companies, followed by Canada (464) and Italy (403). Every hazardous materials facility contractors list by country and city is linked on this page.

Which city has the most hazardous materials facility contractors?

Houston leads with 63 company records, followed by Sao Paulo (56) and Calgary (44).

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 48,690 professional contacts with verified work emails tracked across these 7,938 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.

Ready to reach these companies? Verified emails and direct dials for all 7,938 hazardous materials facility contractors worldwide. Start with a free account, no credit card.

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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.