Hirata & Associates, Inc. (HAI) provides geotechnical engineering throughout the State of Hawaii and Guam. Since its establishment as Ernest K. Hirata & Associates, Inc. in 1971, HAI has provided geotechnical engineering services for more that 4000 projects, ranging from the H-3 Freeway viaduct in Halawa Valley to the Kalia Tower in the Hilton Hawaiian Village.

The goal of HAI is to provide quality service tailored to our client’s needs while providing practical geotechnical engineering solutions. We maintain communication with our clients throughout the project and respond with quick and efficient service.

Our services include: (1)Geotechnical Engineering, (2)Drilling, (3)Laboratory Testing, and (4)Construction Observation & Material Testing Services.

Click here for a sample list of past and current projects.

Please Contact Us with any questions or comments.