Shermco Industries Acquires Southwest Energy Systems

Shermco Industries Acquires Power Test, Inc.

April 2, 2024

Industrial Services

Shermco Industries, a Gryphon Investors–backed electrical services platform headquartered in Irving, Texas, has acquired Power Test, Inc., a NETA‑accredited electrical testing and maintenance firm based in Harrisburg, North Carolina. The acquisition expands Shermco's service footprint and capabilities in the southeastern United States; terms were not disclosed and Power Test's management will join Shermco.

Blackstone Acquires Shermco from Gryphon Investors for $1.6 Billion

October 28, 2025

Industrial Services

Blackstone’s private equity funds, including Blackstone Energy Transition Partners, have acquired Shermco from Gryphon Investors in a transaction valued at approximately $1.6 billion. Shermco, headquartered in Irving, Texas, provides electrical testing, maintenance, commissioning and engineering services to data centers, utilities and industrial clients and will be positioned to scale further under Blackstone’s energy-transition focused capital.

Shermco Industries (Gryphon-Backed) Acquires NextGen Technologies

September 10, 2019

Industrial Services

Shermco Industries, a Gryphon Investors-backed provider of electrical testing, maintenance, commissioning and repair services, has acquired NextGen Technologies Ltd., an electrical testing and protection-and-control specialist based in North Vancouver, British Columbia. The NextGen management team will remain with Shermco as the company looks to expand its protection and control capabilities and geographic footprint across North America; terms were not disclosed.

Shermco Industries Acquires Eastern High Voltage, Inc.

June 17, 2025

Industrial Services

Shermco Industries has acquired Eastern High Voltage, Inc. (EHV), a NETA-accredited electrical testing and field services provider based in Robbinsville, New Jersey; terms were not disclosed. The deal expands Shermco's NETA-accredited workforce and Northeast presence, and strengthens its field-service and specialized testing capabilities; Shermco is majority-owned by Gryphon Investors.

Gryphon-backed Shermco Industries Acquires Electrical Manufacturing and Distributors (EMD)

August 27, 2019

Industrial Services

Shermco Industries, majority-owned by Gryphon Investors, has acquired Electrical Manufacturing and Distributors, Inc. (EMD), a Wichita Falls-based provider of process controls, systems integration, electrical engineering and control panel fabrication. The acquisition expands Shermco's service capabilities in process controls and strengthens its presence in midstream oil & gas and industrial end markets; EMD's management will remain with the company.

Shermco Industries Acquires KTR Associates

October 15, 2024

Engineering Services

Shermco Industries has acquired KTR Associates, a Sinking Spring, Pennsylvania-based power system engineering firm. The acquisition (terms not disclosed) will expand Shermco's geographic footprint and engineering capabilities; KTR's principal owner Joseph Deane and the KTR team will remain with the business. Shermco is majority‑owned by Gryphon Investors.