Tracked deals
4
4 tracked deals across 2023-2026.
Norwell, Massachusetts, United States
Clean Harbors provides environmental and industrial services including hazardous waste management, emergency spill response, industrial cleaning and maintenance, and recycling services (including related Safety-Kleen offerings).
Tracked deals
4
4 tracked deals across 2023-2026.
Recent pace
3
3 tracked deals announced in the last 12 months.
Deal mix
Buyout
4 buyout
Last 2 years
Supporting Data
Clean Harbors completed its acquisition of ES&H, a Louisiana-based regional provider of environmental and emergency-response services. The acquisition adds Gulf-region branches and maritime and on-water response capabilities, complementing and expanding Clean Harbors’ Field Services presence.
Clean Harbors agreed to acquire EnviroServe from an affiliate of One Rock Capital Partners for $470 million in cash. The deal adds EnviroServe’s environmental and waste-management network, recurring customer base, and rail and emergency-response capabilities; Clean Harbors completed the acquisition on October 5, 2026.
Clean Harbors, Inc. announced the all-cash $225 million acquisition of Terra Nova Solutions, a regional provider of hazardous and non-hazardous waste services. The deal adds five operating sites and complementary capabilities (including wastewater treatment, solidification, drum collection, tank cleaning, and vacuum services) to expand Clean Harbors’ Technical Services and Field Services footprint across the Carolinas.
Clean Harbors, Inc. acquired Thompson Industrial Services from Reynolda Equity Partners, expanding Clean Harbors' industrial cleaning and maintenance capabilities and adding density across the Southeastern United States. Thompson, a leading provider of hydroblasting, vacuuming and automated industrial cleaning solutions serving paper, mining, power and chemical customers, grew substantially under REP and will bring entrenched, recurring customer relationships to Clean Harbors' platform.
Turn tracked acquisition activity into an outreach-ready buyer list.