About Us

About GDI

GDI is a Southern California based corporation formed in 2005.  We mainly specialize in providing geotechnical services to municipal clients, including geotechnical peer-review services.  We also provide geotechnical services to select private clients including design firms, water/wastewater authorities, local municipalities, State and Federal governmental agencies, and law firms.


GDI’s Mission and Values

GDI is committed to satisfying the needs and requirements of our clients, to maintaining the highest technical standards, and to excellence in our work product. Our success is measured by our ability to meet these commitments. Our business model is based on satisfied customers as a result of our commitment to quality, proven performance and the integrity of our practice. We look to establish long-term relationships with our clients by providing excellent technical services within the framework of a management approach that facilitates cost control and timely delivery.  GDI emphasizes a high professional standard for the professional and technical staff and have focused on perfecting and expanding our capabilities and experience in our primary practice areas.