PSC is an award winning consulting engineering firm established in 1975 with offices in California and Hawaii. For 37 years, PSC has continuously offered its clients services in geotechnical engineering, environmental and materials testing services. PSC is a certified DBE by Hawaii Department of Transportation (HDOT), Caltrans, and is LBE certified by the City and County of San Francisco. Our Hawaii corporate office is located in the Waipio Gentry Center in Waipahu, Oahu, Hawaii. Our California offices are located in San Francisco and Palo Alto, CA.

We have local permanent professionals and technicians plus on-call technical staff with diversified experience in geotechnical engineering, construction materials testing, environmental, and drilling services in Hawaii.

Our staff consists of Professional Engineers registered in the states of Hawaii and California. Having performed numerous subsurface investigations for geotechnical and environmental projects, our personnel are familiar with local soil/rock and geologic conditions throughout Hawaii.

We maintain a full-service local laboratory for soil, rock, cement, and materials testing services. We also have an in-house Diedrich D-25 drill rig for geotechnical drilling and sampling services.

We at PSC have demonstrated our ability to provide timely and quality services within the allocated budget. We feel confident that we can provide Professional, Service-oriented and Cost-conscious services for your current and future projects.