HEPACO Acquires Evergreen AES Environmental Services

HEPACO Acquires PetroChem Recovery Services

January 18, 2019

Environmental Services

HEPACO, a Gryphon Investors-backed emergency response and environmental services platform, has acquired PetroChem Recovery Services from Succession Capital Partners. The Norfolk, Virginia-based PetroChem will expand HEPACO's emergency response and environmental remediation capabilities and geographic coverage in the Mid-Atlantic; terms were not disclosed.

HEPACO Acquires Summit Field Services Division from Summit Environmental Services

January 22, 2021

Environmental Services

HEPACO, a Gryphon Investors–backed environmental services platform based in Charlotte, acquired the Field Services Division of Summit Environmental Services (operating as Summit Field Services) from Summit Environmental Services of Evansville, Indiana. The acquisition adds emergency response, industrial services, and waste management capabilities and staff in the Mid-Central/Midwest region as part of HEPACO's continued platform growth.

HEPACO Acquires Environmental Management Alternatives (EMA)

July 19, 2021

Environmental Services

HEPACO, a Gryphon Investors-backed environmental services platform, has acquired Environmental Management Alternatives (EMA), a St. Louis-based provider of hazardous waste brokerage, recycling, emergency response, remediation, and industrial cleaning services. The acquisition expands HEPACO's geographic footprint into St. Louis and adds national hazardous waste brokerage and recycling capabilities; EMA founders Tim and Mike Hylla joined HEPACO management and retained a minority equity stake.

Clean Harbors Acquires HEPACO from Gryphon Investors for $400M

February 6, 2024

Industrial Services

Clean Harbors, Inc. completed the acquisition of HEPACO from Gryphon Investors for $400 million in cash, financed in part by a $500 million expansion of its term loan facility. HEPACO, headquartered in Charlotte, North Carolina, generated approximately $270 million of revenue and $36 million of adjusted EBITDA in 2023 (about 1,000 employees across ~40 locations); Clean Harbors expects roughly $20 million of cost synergies and about $30 million of incremental adjusted EBITDA in 2024.

Quanta Services Acquires Evergreen North America Industrial Services from The Sterling Group

February 23, 2024

Industrial Services

Quanta Services has completed the acquisition of Evergreen North America Industrial Services from private equity firm The Sterling Group. Evergreen is a provider of specialized and recurring environmental and industrial services to downstream/midstream energy, industrial and chemical customers; the deal expands Quanta’s environmental and specialty infrastructure capabilities and geographic footprint across North America.

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.