Center Rock Capital Partners Acquires Power Services Group

Center Rock Capital Partners Acquires Power Plant Services, Inc.

June 30, 2021

Industrial Services

Center Rock Capital Partners, LP acquired Power Plant Services, Inc., a Melrose Park, Illinois-based provider of aftermarket turbine components and turnkey MRO services for power generation and industrial customers. Center Rock said it will work with PPS's management to drive organic growth, expand capabilities, and pursue domestic and international growth opportunities.

MPE Partners / MSHS Acquire Pacific Power Group

August 9, 2022

Industrial Services

MPE Partners, together with its portfolio company Motor-Services Hugo Stamp, Inc. (MSHS), has acquired Pacific Power Group (PPG), a Vancouver, Washington–headquartered provider of products, parts, and maintenance, repair and overhaul (MRO) services for marine, energy, commercial and industrial equipment. The deal creates a nationwide MRO, engine and controls service network by combining PPG's Western U.S., Alaska, Hawaii and Gulf locations with MSHS's Eastern U.S., Gulf and Pacific Northwest footprint to expand geographic coverage, technical capabilities and OEM access. Terms were not disclosed.

JLL Partners Acquires PowerParts Group

January 27, 2026

Manufacturing

JLL Partners has acquired PowerParts Group, a precision manufacturer and field-services provider of aftermarket components for gas- and steam-turbine power plants, from Mangrove Equity Partners. JLL intends to use PowerParts Group as the foundation of a new engineering-focused power-generation components platform and plans to expand capacity and capabilities through organic investment and strategic acquisitions.

GenServe Acquires Power and Energy Services, Inc. (PES)

November 20, 2025

Industrial Services

GenServe, a PE-backed provider of backup power solutions, has acquired Power and Energy Services, Inc. (PES), an Austell, Georgia-based generator maintenance, repair, rental and equipment solutions provider. The acquisition expands GenServe's presence in the Southeastern United States, strengthens technical capabilities, and establishes a regional operations hub to support future growth.

Industrial Service Solutions Acquires MSHS Pacific Power Group

February 14, 2026

Industrial Services

Industrial Service Solutions (ISS), a portfolio company of Wynnchurch Capital, has acquired MSHS Pacific Power Group (MSHS & PPG) from MPE Partners. The add-on expands ISS's nationwide footprint with 10+ locations, adds more than 450 technical and support staff and 150+ OEM relationships, broadening ISS's combustion engine, marine and power generation MRO capabilities; terms were not disclosed.

GenServe (GenNx360) Acquires Power Performance Industries

April 22, 2019

Industrial Services

GenNx360 Capital Partners’ portfolio company GenServe acquired Power Performance Industries (PPI) on April 18, 2019. The add-on expands GenServe’s generator maintenance, sales and rental capabilities and strengthens its presence in the Metro New York, Northern New York and Connecticut regions, while broadening equipment sales and service relationships.