Séché Environnement acquires Hidronor (Chile)

Clean Harbors to Acquire EnviroServe

August 12, 2026

Environmental Services

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.

Veolia Environnement Acquires Clean Earth for $3 Billion to Expand U.S. Hazardous Waste Business

November 21, 2025

Industrial Services

Veolia Environnement entered into an agreement to acquire Clean Earth, a major U.S. hazardous waste platform, for an enterprise value of about $3 billion (around €2.6 billion). The deal is intended to roughly double Veolia’s U.S. hazardous waste footprint and establish a stronger national treatment and disposal network across fast-growing industries, with $120 million in expected synergies by year four.

True Environmental (Halle Capital-backed) Acquires Ensero Solutions

January 8, 2025

Environmental Services

True Environmental, a Halle Capital-backed environmental consulting and engineering platform, has acquired Ensero Solutions, a provider of permitting, environmental assessment, water management, remediation technologies, and facility operations. The acquisition is an add-on to True Environmental's platform to expand service capabilities and geographic presence across the U.S. and Canada.

Séché Environnement Acquires Eight Wastewater Maintenance Centres from Veolia's SARP OSIS-IDF

January 1, 2022

Environmental Services

Séché Environnement acquired eight wastewater maintenance operations centres from Veolia subsidiary SARP OSIS-IDF, effective 1 January 2022. The assets — based in the Greater Paris region and including 233 employees and a fleet of 130+ service vehicles — expand Séché's wastewater maintenance capabilities and strengthen its footprint in Île-de-France.

Environmental 360 Solutions Acquires Le Géant du Conteneur

November 1, 2021

Environmental Services

Environmental 360 Solutions Ltd. (E360S), a PE-backed environmental services operator based in Aurora, Ontario, has acquired Le Géant du Conteneur, a Châteauguay, Quebec–based provider of solid non-hazardous and construction waste management. The acquisition expands E360S's footprint into the Montreal market and adds material-recovery and construction-waste diversion capabilities that complement its existing Quebec operations.

Environmental 360 Solutions Acquires Anachem Ltd.

January 29, 2021

Environmental Services

Environmental 360 Solutions Ltd. (E360S) has acquired Montreal-based Anachem Ltd., a family-owned hazardous and non-hazardous waste treatment and recycling business. The deal provides E360S a beachhead in the Montreal market and retains Jason Zieba to operate the business while the sellers transition to retirement.