PHI (also known as PHI Hydraulics, formerly known as Pasadena Hydraulics and Preco) is a company that designs and manufactures hydraulic precision machines. It offers tube and pipe bending and finishing machines, presses, structural beam fabrication systems, and tooling. The company also provides maintenance, repair, installation, training, engineering, and consultation services. PHI caters to HVAC, metalworking, aerospace, construction, marine, furniture, and other industries.