- Garden Grove Hospital and Medical Center
- Garfield Medical Center
- Gayle Stewart Enterprises Inc
- GC Micro Corporation
- Gencorp
- Genetech
- George M. Macaulay
- George Mee Memorial Hospital
- Glendale Memorial Hospital and Health Center
- Glenn County
- Golden State Bancorp
- Good Samaritan Hospital
- Good Samaritan Hospital
- Grant Joint Union High School District
- Graphic Solutions
- Greater Bakersfield Convention and Visitors Bureau
- Greater El Monte Community Hospital
- Griffin Structures Inc.
- GSE Construction Company, Inc.
- Guam Communications Network
- Guidant
- Gum Moon Women's Residence and the Asian Women's Resource Center
- Hanson, Bridgett, Marcus Vlahos and Rudy
- Harbor-UCLA Medical Center
- Harns and Associates
- Harvest Inn, Sonoma
- Healthcare Communications Group
- Heidrick and Struggles, Inc.
- Hemet Global Medical Center
- Hemet Valley Medical Center
- Henry Mayo Newhall Hospital
- Hertz Rent a Car
- Hewlett Packard
- HFandH
- Hi-Desert Medical Center
- Highland Hospital
- Hillcrest
- Hilton Garden Inn Carlsbad Beach, Carlsbad CA
- Hilton Garden Inn, Folsom
- Hilton Garden Inn, Milpitas
- Hilton Garden Inn, Roseville
- Hilton Garden Inn, South San Francisco
- Hilton Irvine-Orange County Airport
- Hilton Monterey, Monterey
- Hilton Newark-Fremont, Newark
- Hilton Sacramento Arden West, Sacramento
- Hilton San Diego Gaslamp Quarter, San Diego
- HMC Architects
- Hoag Hospital Newport Beach
- HOKE Outdoor