PremiStar Acquires Mechanical Service & Systems (MSS)

On June 10, 2026, commercial HVAC platform PremiStar, owned by Partners Group, announced the acquisition of Mechanical Service & Systems (MSS), a Salt Lake City-based provider. The deal adds Utah as PremiStar's 19th state and expands its customer base into manufacturing, aerospace, life sciences, and mining.

“On June 10, 2026, commercial HVAC platform PremiStar , owned by Zug-based private equity firm Partners Group , announced the acquisition of Mechanical Service & Systems (MSS) , a Salt Lake City...”

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