The E-J Group Acquires State Electric Corporation

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.

The State Group Acquires J&J Electric of Indiana

December 22, 2025

Construction

The State Group, a portfolio company of funds managed by Apollo, has acquired Kokomo-based electrical contractor J&J Electric of Indiana, expanding its footprint in Central and Northern Indiana. J&J Electric brings over 200 union electricians and capabilities in electrical construction, maintenance, fire, security, communications, utility and safety systems to The State Group's multi-trade platform.

E-J Electric Installation Co. Acquires Lowy & Donnath Inc.

November 27, 2023

Electrical Services

E-J Electric Installation Co. has acquired Long Island City–based electrical contractor Lowy & Donnath Inc. The acquisition adds Lowy & Donnath’s century-long electrical contracting expertise—notably in the healthcare market—to E-J’s national electrical contracting platform and expands E-J’s capabilities in the New York metropolitan area.

The State Group Acquires Ruder Electric

February 12, 2026

Industrial Services

The State Group, a portfolio company of funds managed by Apollo, has acquired Ruder Electric, a Kankakee, Illinois-based electrical contractor. The add-on expands The State Group's footprint into central and northern Illinois and brings Ruder Electric's electrical construction, maintenance, fire, security, communications, utility, and safety systems capabilities (including over 100 union electricians) into the platform.

SEAM Group Acquires Electrical Engineering & Service, Co. (EESCO)

February 10, 2022

Industrial Services

SEAM Group, a PE-backed energized-asset performance platform, has acquired Electrical Engineering & Service, Co. (EESCO), a NETA-accredited electrical power systems testing, commissioning, and maintenance provider headquartered in Holbrook, Massachusetts. The add-on expands SEAM Group's NETA-certified testing and medium-/high-voltage preventive maintenance capabilities across New England and broadens its service offering for switchgear, transformers, protective relays, and related electrical distribution equipment.

Electro-Mechanical Acquires Powercon Corporation

October 24, 2025

Manufacturing

Electro-Mechanical, LLC has acquired Powercon Corporation, a Severn, Maryland-based manufacturer of custom medium voltage switchgear, e-houses, and modular substation power systems. The deal strengthens Electro-Mechanical's capabilities in medium voltage switchgear and integrated power distribution solutions for utility, data center, and critical infrastructure customers across North America.