Latest issueFriday, October 9, 2026
4 deals · Updated Fri, Oct 9, 2026 at 2:37 PM PDT·Full deal sheet
Exit·Energy/Waste Management·October 5, 2026

One Rock Capital Partners sells EnviroServe to Clean Harbors

EnviroServe’s services span remediation, rail services, industrial cleaning, emergency response, and hazardous and non-hazardous waste transportation and processing.

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BuyerClean Harbors
TargetEnviroServe
SponsorOne Rock Capital Partners
SellerOne Rock Capital Partners
TypeExit
IndustryEnergy
Sub-sectorWaste Management

One Rock Capital Partners sold EnviroServe, an environmental and waste management services provider, to Clean Harbors for $470 million. EnviroServe’s services span remediation, rail services, industrial cleaning, emergency response, and hazardous and non-hazardous waste transportation and processing.

One Rock had acquired the company through a carve-out from Savage Companies and expanded its footprint through organic growth, greenfield locations, and add-on acquisitions.