HPI is an international rotating equipment solutions company, with worldwide resources and four core lines of business: Engin ... eering, Procurement and Construction; Operations and Maintenance; Cyber Security and Compliance; and Maintenance, Repair, Overhaul and Controls. We provide a range of engineering, maintenance management, industrial diesel and gas turbine overhaul, and repair and field services. Our services provide customers with custom-engineered solutions that reduce lifecycle costs of diesel, gas and steam turbines utilized in oil and gas, power generation and marine applications. read more