One Rock agrees to sell EnviroServe to Clean Harbors for $470 million
CLH•EnviroServe's services and One Rock's ownership
EnviroServe provides environmental and waste management services, including remediation, industrial cleaning, emergency response, transportation, and processing.
One Rock acquired EnviroServe via a carve-out from Savage Companies, then expanded operations through organic growth, new sites, and add-on deals.
One Rock agrees to sell EnviroServe to Clean Harbors
One Rock Capital Partners agreed to sell EnviroServe to Clean Harbors for $470 million.
The deal is expected to close in the second half of 2026, subject to regulatory approval and customary conditions.
