PSG was founded on the combined legacies and experience of all of the Power Plant Services, Airco Inc. companies, Turbine Generator Maintenance, and Orbital Energy Services—all companies with a solid track record and reputation. PSG provides customers with a broad maintenance, repair, and overhaul (MRO) solution for all rotating equipment and other critical plant maintenance services. More specifically, PSG's service offering includes field services, field machining, steam path repairs, valve repair and parts manufacturing, generator inspection and repair, balance of plant maintenance, and specialty code welding. Industries served include power generation (nuclear, fossil, hydro-electric, and wind), industrial, and petrochemical. PSG offers the marketplace a U.S.-owned turnkey service provider – completely unaffiliated with any OEMs. This independence from the OEMs allows us to provide customers with an unbiased opinion of their power plant needs – focusing on doing what is best for our customers.PSG is part of the Center Rock investment portfolio.