Miller Environmental Group Acquires Haz-Mat Environmental Services and Canco

Miller Environmental Group Acquires ACE Environmental Services

November 10, 2025

Environmental Services

Miller Environmental Group, a Coalesce Capital portfolio company, has acquired ACE Environmental Services, a full-service environmental contractor operating throughout the Mid-Atlantic. The deal expands Miller's Mid-Atlantic footprint and capabilities in remediation, emergency response, tank management and industrial cleaning as part of its disciplined consolidation strategy.

Coalesce Capital Acquires Miller Environmental Group

September 11, 2024

Environmental Services

Coalesce Capital has entered into a definitive agreement to acquire Miller Environmental Group, a Calverton, New York–based provider of waste, industrial, and environmental services, from GenNx360 Capital Partners. Miller operates 30 locations across the United States serving over 1,800 customers; Coalesce plans to invest in human capital, technology, and add-on acquisitions to expand the company's branch and facility network.

Covanta Acquires Miller Environmental Transfer

July 20, 2022

Environmental Services

Covanta has acquired Miller Environmental Transfer (MET), a Tulsa-based provider of waste transportation and treatment services that serves the South-Central United States. The deal expands Covanta's sustainable materials management capabilities—including carbon-neutral offerings—and strengthens operations around its Tulsa waste-to-energy facility.

Miller Environmental Group Acquires AB Environmental

June 5, 2023

Environmental Services

Miller Environmental Group, a GenNx360 Capital Partners portfolio company, has acquired AB Environmental, a Bohemia, New York-based provider of environmental response, remediation, transportation and recycling services. The add-on expands MEG's East Coast footprint and waste-processing capabilities by adding AB's New York Department of Environmental Conservation-permitted TSDF and regional operations.

LSC Environmental Products Acquires Mat, Inc. and Mat NuWood, LLC

April 18, 2022

Manufacturing

LSC Environmental Products, a portfolio company of Ancor Capital Partners, acquired Mat, Inc. and Mat NuWood, LLC (locations in Floodwood, Minnesota and Lenoir, North Carolina). The add-on expands LSC’s product portfolio and supply chain capabilities in spray-applied environmental coatings and erosion control, integrates Mat’s product lines and leadership into LSC, and strengthens distribution and manufacturing capacity.

Clean Harbors Acquires HEPACO for $400 Million

February 6, 2024

Environmental Services

Clean Harbors, Inc. completed its acquisition of HEPACO, a field and emergency response environmental services provider in the Eastern United States, for $400 million in cash. The deal was purchased from Gryphon Investors and financed via proceeds from a recently expanded $500 million term loan facility.