Enercon Services Acquires Ardent Environmental Group

AE Industrial Partners Acquires Enercon Services Inc.

February 10, 2021

Industrial Services

AE Industrial Partners, LP has acquired Enercon Services Inc., a multi-disciplinary engineering and environmental services firm focused on energy and industrial markets. The acquisition, which will serve as a platform investment for AEI Fund II, positions Enercon for growth and expansion into new markets and services; terms were not disclosed.

Oaktree Acquires Stake in Enercon Services from AE Industrial Partners

February 8, 2023

Engineering Services

Funds managed by Oaktree Capital Management have made a significant investment in Enercon Services, Inc., partnering with management to support the company's growth and strategic plans. AE Industrial Partners sold its stake in Enercon as part of the transaction; terms were not disclosed.

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.

Aegion Acquires 11 Enviro Group

October 2, 2023

Environmental Services

Aegion Corporation has acquired 11 Enviro Group, a Greenpoint, Brooklyn-based provider of cleaning, CCTV inspection and trenchless CIPP spot repair services for water and wastewater pipelines. The business will operate as part of EN-TECH Infrastructure (an Aegion portfolio company) and founder Christina Camali will remain on board to support the transition.

Enercon Services Acquires Critical Engineering Group (CEG)

June 1, 2020

Engineering Services

Enercon Services, Inc. (ENERCON) has acquired Critical Engineering Group, Inc. (CEG), a Lafayette, California-based provider of engineering and project management services for data centers and mission-critical communications. The acquisition expands ENERCON's capabilities in data-center and mission-critical communications engineering and brings the CEG team into ENERCON's Critical Infrastructure division, enhancing the firm's technical offerings and regional footprint in the western United States.

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.