Delta Electro Power Acquires JJ McNamara & Son

Machinery Services Co. and Rapid Pump Acquire Delta-Electro Power

September 20, 2023

Industrial Services

Machinery Services Co. and Rapid Pump & Meter Service Co. (a Hidden Harbor Capital Partners portfolio company) acquired Delta-Electro Power, Inc., a Cranston, Rhode Island-based provider of motor, pump, controls and electrical contracting services. The transaction is an add-on for Rapid Pump that expands its geographic footprint into Rhode Island and Massachusetts and broadens its service capabilities; Delta's management will remain involved and LBC Credit Partners provided financing.

McDonald Electrical Corporation Acquires ANJ Electric

June 25, 2025

Electrical Services

McDonald Electrical Corporation has acquired ANJ Electric, a union electrical contractor serving Rhode Island and Connecticut. The acquisition expands McDonald Electrical’s regional footprint and service capabilities—adding licensed operations in Rhode Island and Connecticut while retaining ANJ’s local leadership and workforce to support commercial, industrial, and utility projects across the Northeast.

The E-J Group Acquires State Electric Corporation

November 22, 2024

Construction

The E-J Group has acquired State Electric Corporation, a Bedford, Massachusetts-based full-service electrical contractor. State Electric will retain its name and leadership and will join E-J to strengthen the buyer's Northeast presence and expand capabilities in healthcare, life sciences, power, transportation and renewable energy projects.

Madison River Capital Recapitalizes and Invests $70M in JDC Power Systems

July 16, 2024

Engineering Services

Madison River Capital completed a $190 million recapitalization and a $70 million equity investment in JDC Power Systems, an Armonk, New York-based electrical systems integrator serving the data center market. The transaction positions JDC for accelerated growth in the rapidly expanding data center sector and includes new operating leadership appointments from MRC's team.

E-J Group Acquires EC Electric

March 11, 2025

Construction

The E-J Group has acquired EC Electric, a Portland-based full-service electrical contractor with expertise in data centers and chip plants. The deal expands E-J's West Coast presence and capabilities while keeping EC Electric's leadership and brand intact.

Day & Zimmermann Acquires EMC Power Canada Ltd.

October 27, 2020

Construction

Day & Zimmermann, the family-owned U.S. construction and engineering firm, has acquired EMC Power Canada Ltd., an Ontario-based specialist in trade services and construction for power generation and distribution. The purchase expands D&Z’s union staffing, project management and service capabilities in the Canadian power market.