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February 10, 2026

ISS Acquires MSHS Pacific Power Group

Rosemont, IL – February 11, 2026 – Industrial Service Solutions (“ISS”), a provider of MRO-focused field, shop, and supply services and a portfolio company of Wynnchurch Capital, L.P. (“Wynnchurch”), today announced the acquisition of MSHS Pacific Power Group (“MSHS PPG” or the ​“Company”).

MSHS Pacific Power Group is an independent maintenance, repair, and overhaul (“MRO”) specialist serving power generation, industrial, marine, and national security customers.

“The addition of MSHS Pacific Power Group brings an exceptional team with a strong reputation for supporting mission-critical power and propulsion systems,” said Wade Stockstill, CEO of Industrial Service Solutions. ​“This acquisition adds new end markets while broadening our marine and power generation service offerings. We are also onboarding additional trained technical capacity while increasing our nationwide service footprint.”

“For the MSHS Pacific Power Group team, this is a significant milestone,” said David A. Santamaria, CEO of MSHS Pacific Power Group. ​“Together with ISS, we are expanding our ability to serve customers, invest in our people, and grow together. As one organization, we offer one of the most comprehensive suites of services and engineered solutions in North America for our power generation, industrial, marine, and national security customers.”

Vedder Price acted as legal advisor to ISS and Wynnchurch. Citizens Capital Markets & Advisory acted as financial advisor to MSHS Pacific Power Group. 

About Industrial Service Solutions

Industrial Service Solutions provides nationwide field, shop, and supply services for a diverse set of industrial markets, with breadth and depth in application knowledge and equipment expertise. With locations across the country and more than 2,000 employees, ISS is uniquely positioned to deliver service levels equivalent to an OEM, while being faster and more cost-effective. The Company manufactures, supplies, installs, integrates, and services critical-to-process equipment across rotating and process equipment applications. For more information, please visit www​.iss​-na​.com.

About MSHS Pacific Power Group

MSHS Pacific Power Group (“MSHS PPG”) specializes in servicing, designing, and selling power and propulsion systems for power generation, industrial, marine, and national security customers. For more than 60 years, MSHS PPG has supported keeping lights on, ships moving, and critical facilities operating during emergencies. With full-service workshops in Alaska, California, Florida, Hawaii, Louisiana, and Washington, its technicians and engineers operate worldwide, providing flexible MRO services for power, propulsion, and control systems.

About Wynnchurch Capital

Wynnchurch Capital, L.P., headquartered in the Chicago suburb of Rosemont, Illinois, with an affiliate in Canada, was founded in 1999 and is a leading middle-market private equity investment firm. Wynnchurch’s strategy is to partner with middle market companies in the United States and Canada that possess the potential for substantial growth and profit improvement. 

Wynnchurch manages a number of private equity funds with $8.6 billion of regulatory assets under management and specializes in recapitalizations, growth capital, management buyouts, corporate carve-outs, and restructurings. Recently, Wynnchurch acquired Charter Industries, a leading provider of edgebanding and complementary products. Other recent investments include: Astro Shapes, a leading manufacturer of custom aluminum extrusions; Principal Industries, a leading provider of LED components and engineered assemblies; and ORS Nasco, North America’s largest pure wholesaler of industrial MRO supplies. For more information, please visit: www​.wyn​nchurch​.com or follow us on LinkedIn.

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