Energy and Environmental Services Acquires Abilene Celex Services

FlexGen Power Systems Acquires Clean Energy Services (CES)

April 2, 2026

Energy

FlexGen Power Systems acquired Clean Energy Services (CES) to expand end-to-end commissioning, lifecycle services, and authorized service provider capabilities for utility-scale battery storage and solar/hybrid projects. The acquisition (completed in April 2026) integrates CES’s field teams and remote operations with FlexGen’s HybridOS software platform to accelerate deployment and improve long-term system reliability.

Superior Energy Services Acquires Abaco Energy Technologies

January 30, 2026

Oil & Gas

Superior Energy Services has announced the successful closing of its previously announced acquisition of Abaco Energy Technologies. The deal expands Superior’s Wellbore Technologies segment by adding Abaco’s bottom-hole assembly capabilities and elastomer technologies for downhole drilling, completion, and remediation.

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.

BP Energy Partners Acquires Encino Environmental Services, LLC

November 17, 2020

Environmental Services

BP Energy Partners (BPEP), a Dallas-based private equity firm, has acquired Encino Environmental Services, LLC, an environmental consulting and emissions testing company headquartered in Katy, Texas. The acquisition expands BPEP's portfolio of environmental services and testing capabilities—covering emissions performance testing, LDAR, CEMS and environmental data/reporting—to support regulatory compliance and corporate ESG initiatives.

Albireo Energy Acquires Environmental Energy Corp.

September 17, 2019

Energy

Albireo Energy, the building automation and energy services platform backed by Huron Capital, has acquired Environmental Energy Corp. (EEC), a Deer Park, New York–based energy management systems provider serving large commercial and higher education buildings. The deal is an add-on to Albireo's platform intended to expand its presence in the New York metropolitan market and broaden its building automation capabilities.

1 Priority Environmental Services Merges with Earth Services & Abatement

February 3, 2019

Environmental Services

1 Priority Environmental Services, a portfolio company of O2 Investment Partners, completed a merger with Earth Services & Abatement (ESA), combining capabilities in environmental remediation, selective demolition and abatement. The deal creates one of the largest abatement firms in the U.S., expanding geographic reach across the Southeast, Rocky Mountain and Midwest regions and retaining existing leadership at both companies.