Clean Harbors closes $775M acquisitions of EnviroServe and ES&H

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Clean Harbors Completes Acquisitions of EnviroServe and ES&H

October 5, 2026 8:30 AM EDT

Transactions Expand Clean Harbors Technical Services and Field Services Businesses EnviroServes Network of Waste Handling Locations Boosts Companys Collection Capabilities ES&H Adds Established Emergency Response Leader in the U.S. Gulf Region Total Spend of $775 Million with a Combined Post-Synergy Deal Multiple of 8.9X Adjusted EBITDA

NORWELL, Mass.--(BUSINESS... More