Hardman Geotechnical Services Inc. (HGSI) is a locally owned consulting firm specializing in geotechnical engineering, geoenvironmental, and field quality control services for construction. HGSI provides geotechnical services to industrial, commercial, residential, and municipal clients throughout Oregon and Washington from our office located in Tigard, Oregon. HGSI was founded in 2014, with Scott Hardman branching off from a previous geotechnical firm which he co-founded in 2000, to form a new family-owned business.