EMCOR Group to Acquire Miller Electric Company for $865 Million

EMCOR Group Acquires ECM Holding Group

July 5, 2023

Energy

EMCOR Group, Inc. has agreed to acquire ECM Holding Group, Inc., a national energy-efficiency specialty services firm headquartered in Oshkosh, Wisconsin, in an all-cash transaction. The acquisition expands EMCOR's energy efficiency and sustainability services capabilities, adding ECM's HVAC, lighting, water, weatherization and airflow management offerings (ECM had estimated 2023 revenues of $60 million).

EMCOR Group Acquires Gaston Electrical Co., LLC

August 9, 2022

Construction

EMCOR Group, Inc. has acquired Gaston Electrical Co., LLC, a full-service electrical construction and low-voltage contractor headquartered in Norwood, Massachusetts. The acquisition (terms not disclosed) expands EMCOR's specialty electrical construction capabilities and footprint in the Greater Boston / Northeast markets; Gaston reported estimated 2022 revenues of about $140 million and remaining unsatisfied performance obligations of roughly $120 million.

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.

nVent Electric Acquires ECM Industries for $1.1 Billion

May 18, 2023

Industrial Services

nVent Electric plc entered into a definitive agreement to acquire ECM Industries, LLC from ECM Investors, LLC (the parent of ECM Industries) for $1.1 billion, subject to customary adjustments. The acquisition was expected to close in Q2 2023 and integrate ECM Industries into nVent’s Electrical and Fastening Solutions business segment.

The JF Petroleum Group Acquires Miller Construction Management Inc.

August 1, 2023

Construction

The JF Petroleum Group has acquired Miller Construction Management Inc., a Lakeland, Florida-based commercial general contracting firm. The acquisition adds turn-key design-build and project management capabilities to JF's General Contracting vertical and expands its commercial and retail construction footprint across the Southeast and Gulf Coast.

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.