PremiStar Acquires Mechanical Service Systems (MSS) in HVAC Consolidation Play
June 11, 2026
PremiStar, a Partners Group-backed HVAC consolidation platform, acquired Mechanical Service & Systems (MSS), a mechanical services contractor based in Oregon. D.A. Davidson & Co. acted as exclusive financial advisor to MSS, and the transaction closed in early June 2026 (terms undisclosed).
- Buyers
- PremiStar
- Targets
- Mechanical Service & Systems (Mechanical Service & Systems / MSS)
- Platforms
- PremiStar
- Industry
- Industrial Services
- Location
- Oregon, United States
- Transaction Type
- Addon
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