Shermco Acquires Eastern High Voltage, Inc.

Strategic acquisition adds NETA-certified expertise and expands Shermco's footprint in the Northeast

IRVING, Texas, June 17, 2025 /PRNewswire/ -- Shermco Industries, a leading provider of electrical testing, engineering, maintenance, and repair services, announced today it has acquired Eastern High Voltage, Inc. ("EHV" or "the Company"). The terms of the transaction were not disclosed.

EHV, based in Robbinsville, New Jersey, is an InterNational Electrical Testing Association (NETA)-accredited company with a strong reputation for electrical testing and field services. EHV delivers a comprehensive suite of services including electrical testing and preventative maintenance, acceptance testing and commissioning, infrared scanning, transformer testing and oil analysis, and 24/7 emergency response. The Company's deep technical capabilities and long-standing customer relationships position it as a trusted partner across commercial and industrial end markets.

This acquisition adds to Shermco's industry-leading base of 550+ NETA-certified professionals, solidifying its position as the largest independent electrical testing and maintenance provider in North America. It also brings EHV's seasoned management team, whose deep technical expertise and customer relationships will strengthen Shermco's regional leadership and accelerate integration and growth efforts.

"EHV has built a strong reputation through its commitment to safety, quality, and responsive service. The EHV team is known for technical excellence and trusted partnerships with mission-critical facilities across its region," said Phil Petrocelli, CEO of Shermco Industries. "Expanding into the Northeast brings exciting opportunities to continue to grow our customer base and extend our national capabilities with local expertise."

This partnership advances Shermco's strategic growth plan by expanding its NETA-accredited workforce, enhancing field service capabilities, and delivering integrated solutions across electrical system maintenance, engineering, and specialized testing. By combining the strengths of Shermco and EHV, customers will gain access to deeper technical resources, broader geographic reach, and a more comprehensive suite of high-value services.

Shermco is majority-owned by San Francisco-based Gryphon Investors, a leading middle-market private investment firm.

About Shermco
Headquartered in Irving, TX, Shermco provides electrical testing, maintenance, commissioning and repair services to a wide range of utility, industrial, energy and other end markets. With more than 40 locations, Shermco serves a diversified blue-chip client base across North America. The company is an active participant in NETA (the InterNational Electrical Testing Association), EASA (Electrical Apparatus Service Association), and AWEA (American Wind Energy Association).

About Gryphon Investors
Gryphon Investors is a leading middle-market private investment firm focused on profitably growing, competitively advantaged companies in the Business Services, Consumer, Healthcare, Industrial Growth, Software, and Technology Solutions & Services sectors. With approximately $10 billion of assets under management, Gryphon prioritizes investments in which it can form strong partnerships with founders, owners, and executives to accelerate the building of leading companies and generate enduring value through its integrated deal and operations business model. Gryphon's highly differentiated model integrates its well-proven Operations Resources Group, which is led by full-time, Gryphon senior operating executives with general management, human capital acquisition and development, treasury, finance, and accounting expertise. Gryphon's three core investment strategies include its Flagship, Heritage, and Junior Capital strategies, each with dedicated funds of capital. The Flagship and Heritage strategies target equity investments of $50 million to $500 million per portfolio company. The Junior Capital strategy targets investments of $10 million to $25 million in junior securities of credit facilities, arranged by leading middle-market lenders, in both Gryphon-controlled companies, as well as in other private equity-backed companies operating in Gryphon's targeted investment sectors.

Shermco Contact:
Drew Johns
Vice President, Corporate Development
Shermco Industries
Drew.Johns@shermco.com

Gryphon Contact:
Caroline Luz
203-570-6462
cluz@lambert.com
or
Jennifer Hurson
845-507-0571
jhurson@lambert.com

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SOURCE Gryphon Investors