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Clean Harbors acquires EnviroServe and ES&H

PUBLIC · CLHOct 05, 2026

Acquiring Company

Clean Harbors

Acquired Company

EnviroServe

Salt Lake City

Description

Clean Harbors, Inc. has completed its acquisitions of EnviroServe and ES&H. EnviroServe is known for its environmental and waste management services, while ES&H specializes in environmental and emergency response services in the Gulf region. These transactions strengthen Clean Harbors' service offerings.

Company Information

Company

Clean Harbors

About

Clean Harbors (NYSE: CLH) is North America’s leading provider of environmental and industrial services. The Company serves a diverse customer base, including a majority of Fortune 500 companies. Its customer base spans a number of industries, including chemical, energy and manufacturing, as well as numerous government agencies. These customers rely on Clean Harbors to deliver a broad range of services such as end-to-end hazardous waste management, emergency spill response, industrial cleaning and maintenance, and recycling services. Through its Safety-Kleen subsidiary, Clean Harbors also is North America’s largest re-refiner and recycler of used oil and a leading provider of parts washers and environmental services to commercial, industrial and automotive customers. Founded in 1980 and based in Massachusetts, Clean Harbors operates in the United States, Canada, Mexico, Puerto Rico and India. For more information, visit www.cleanharbors.com.

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Frequently asked

Who acquired EnviroServe?

EnviroServe was acquired by Clean Harbors. The deal was reported on October 5, 2026. Clean Harbors (NYSE: CLH) is North America’s leading provider of environmental and industrial services. The Company serves a diverse customer base, including a majority of Fortune 500 companies. Clean Harbors is publicly traded (CLH).

When did Clean Harbors acquire EnviroServe?

Clean Harbors's acquisition of EnviroServe was reported on October 5, 2026. Clean Harbors, Inc. has completed its acquisitions of EnviroServe and ES&H. EnviroServe is known for its environmental and waste management services, while ES&H specializes in environmental and emergency response services in the Gulf region. Fundz records the date the transaction was first publicly reported, sourced from filings and company announcements.

What does EnviroServe do?

EnviroServe Inc. is a national provider of environmental and waste management services. It is privately held, and is based in Salt Lake City.

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