GridTek Utility Services Acquires American Power, LLC and Valiant Energy Services

First Reserve Sells GridTek Utility Services to Undisclosed Buyer

June 11, 2024

Utilities

GridTek Utility Services, a U.S.-based provider of repair, maintenance, installation and upgrade services for electric transmission and distribution infrastructure, has been sold by private equity firm First Reserve. Financial terms and the buyer were not disclosed; advisors on the transaction included Harris Williams (financial) and Simpson Thacher & Bartlett LLP (legal).

Apollo Acquires PowerGrid Services from The Sterling Group

July 2, 2025

Industrial Services

Apollo has completed the acquisition of PowerGrid Services from The Sterling Group and other existing investors. PowerGrid is a national provider of electric utility maintenance and construction services with more than 1,700 in-house professionals operating across 35 states; Apollo will partner with management and existing investors to support the company’s continued growth and grid modernization efforts.

EIS Acquires Power Grid Supply

November 2, 2023

Industrial Services

EIS, a North American specialty distributor of electrical process materials, has acquired Power Grid Supply, a supplier of transformer parts and components. The acquisition expands EIS's product portfolio and aftermarket capabilities for transformer OEMs, remanufacturers, field service contractors, and utilities, and will support geographic expansion across North America.

Valiant Integrated Services Acquires Alliance Technical Services

July 1, 2021

Government & Public Sector

Valiant Integrated Services completed the acquisition of Alliance Technical Services (ATS), a Norfolk-based provider of third-party logistics, launch site modernization, and refurbishment services for U.S. government customers. The deal strengthens Valiant’s logistics, missile launch refurbishment and warehouse management capabilities and expands its presence in adjacent government services markets; financial terms were not disclosed.

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.

First Tek Acquires Cenergy International Services

April 23, 2024

Staffing & HR

First Tek, Inc. has acquired Cenergy International Services, Inc. in a strategic acquisition announced April 2024. Madison Street Capital acted as exclusive advisor to Cenergy; the purchase expands First Tek’s staffing and field services capabilities in the energy, aerospace and industrial sectors.