Potomac Testing (TechPro Power Group) Acquires Northern Electrical Testing, Inc.

Potomac Testing Acquires Electrical Maintenance & Testing, Inc.

June 29, 2020

Industrial Services

Potomac Testing, a TechPro Power Group company, has acquired Electrical Maintenance & Testing, Inc. (EMT), a NETA-accredited independent electrical testing firm based in Carmel, Indiana. The deal expands Potomac's service footprint and technical capabilities—particularly for union project work and power distribution testing—while enabling shared best practices and back-office synergies across the combined teams.

Technical Diagnostic Services Acquires Potomac Testing, Inc.

January 15, 2020

Industrial Services

Technical Diagnostic Services (TDS), backed by Calvert Street, has acquired Potomac Testing, Inc., a Crofton, Maryland-based provider of low- and medium-voltage electrical testing, maintenance and engineering services. The businesses will continue to operate under distinct brands and the deal is positioned as an add-on to expand TDS's service footprint and capabilities in the Mid-Atlantic.

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.

TechPro Power Group Acquires Sentinel Power Services

February 28, 2022

Engineering Services

TechPro Power Group Inc. has acquired Sentinel Power Services, Inc., including its subsidiaries Pencore Engineering & Consultants, LLC and Sentinel Field Services, LLC. The acquisition brings NETA-accredited electrical testing, commissioning, EPC and field-service capabilities into TechPro’s family of electrical and commissioning service businesses and will allow Sentinel to continue operating from its Tulsa, Oklahoma headquarters under existing management.

Integrated Power Services Acquires Power Systems Testing Company (PST)

May 1, 2025

Industrial Services

Integrated Power Services (IPS) has acquired Power Systems Testing Company (PST), a NETA-certified electrical testing and field services provider headquartered in Livermore, California. The acquisition expands IPS's NETA field-service capabilities and strengthens its West Coast footprint, adding PST's testing, commissioning and engineering expertise to IPS's service network.

Patton Electronics Acquires Practical Technologies Inc.

February 10, 2026

Manufacturing

Patton Electronics acquired Practical Technologies Inc. (PTI), adding PTI's 20,000-square-foot Baltimore-area electronics manufacturing facility to expand Patton's Maryland production footprint and manufacturing capabilities. The deal strengthens Patton's contract manufacturing platform by adding PCB assembly, wire-and-cable harness, electro-mechanical assembly, and potting/encapsulation capabilities to support defense, aerospace, and industrial customers.