Electric Power Systems Acquires H.A.R.T. High Voltage Apparatus Repair and Testing Co.

Arcline Investment Management Acquires Electric Power Systems and North American Substation Services

April 21, 2021

Infrastructure

Arcline Investment Management acquired Electric Power Systems (EPS) and North American Substation Services (NASS) from Industrial Growth Partners to create a leading electric infrastructure services platform (now branded Voltyx). Industrial Growth Partners retained a minority stake in the combined business; the deal brings together protection and control engineering, high-voltage apparatus testing, and substation maintenance capabilities to serve utilities, renewable energy, data center and commercial customers.

RESA Power Acquires HMT, Inc.

November 15, 2017

Industrial Services

RESA Power, LLC has acquired HMT, Inc., a Cicero, New York-based provider of NETA-certified high-voltage electrical testing, repair and maintenance services. The acquisition expands RESA Power's service footprint across New York, Pennsylvania and Connecticut and strengthens its capabilities for mission-critical power distribution equipment; RESA Power is a PE-backed platform (Blue Sea Capital).

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.

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.

RESA Power Acquires High Voltage Electric Service, Inc.

August 20, 2024

Industrial Services

RESA Power, a portfolio company of Investcorp, has acquired High Voltage Electric Service, Inc. (HVES), a full-service electrical testing and commissioning firm based in Albany, New York. The add-on strengthens RESA Power’s footprint across New York’s innovation corridor and expands its field service and testing capabilities in the Capital Region.

RESA Power Acquires High Energy Electrical Testing, Inc.

August 15, 2022

Electrical Services

RESA Power, a portfolio company of Investcorp, has acquired High Energy Electrical Testing, Inc. (HEET), a NETA-accredited electrical testing and commissioning firm based in Farmingdale, New Jersey. The acquisition expands RESA Power's footprint in the Mid-Atlantic — bringing HEET into RESA's network as its 28th location and broadening the firm's service offering in the region.