LOCATIONS + - Leaflet | © OpenStreetMap SDI is located strategically throughout the western, central, and southern states. Our locations give us the ability and the flexibility to mobilize a formidable team of project managers and craftsmen in the western and southwestern regions within the time frame necessary for a strong project start and ultimately, a successful project completion. + - Leaflet | © OpenStreetMap CORPORATE OFFICE: SAN DIEGO, CA 9902 Channel Road Lakeside CA 92040 Phone: (619) 443-7034 Fax: (619) 443-7065 Office Manager: Bob Caya + - Leaflet | © OpenStreetMap CORONA, CA 3100 Palisades Drive Corona CA 92880 Phone: (951) 256-8656 Fax: (951) 256-8657 Office Manager: Blaine Caya + - Leaflet | © OpenStreetMap LAS VEGAS, NV 5041 West Diablo Road Las Vegas NV 89118 Phone: (702) 259-3200 Fax: (702) 259-4800 Office Manager: Rob Patterson + - Leaflet | © OpenStreetMap SALT LAKE CITY, UT 1990 South 4130 Salt Lake City UT 84104 Phone: (801) 741-1200 Fax: (801)741-1212 Office Manager: Robert Caya + - Leaflet | © OpenStreetMap AUSTIN, TX 4304A Burch Dr. Del Valle, TX 78617 Phone: (512) 651-5096 Fax: (512) 651-5133 Office Manager: Kevin Meinhold + - Leaflet | © OpenStreetMap LIVERMORE, CA 6691 Brisa Street Livermore, CA 94550 Phone: (925) 215-7800 Fax: (925) 623-7802 Office Manager: Phil Ferraro + - Leaflet | © OpenStreetMap JACKSON, WY 3975 South Antelope Lane PO Box 7439 Jackson, WY Phone: (307) 732-0144 Fax: (307) 732-0158 Office Manager: Monte Davis Project Site Offices Idaho | Arizona | South Dakota | Colorado | Oregon | New Mexico | Montana