- Kaiser Permanente Baldwin Park Medical Center
- Kaiser Permanente Downey Medical Center
- Kaiser Permanente Fontana Hospital
- Kaiser Permanente Los Angeles Medical Center
- Kaiser Permanente Moreno Valley Medical Center
- Kaiser Permanente Oakland Medical Center
- Kaiser Permanente Ontario Medical Center
- Kaiser Permanente Orange County - Anaheim Medical Center
- Kaiser Permanente Orange County - Irvine Medical Center
- Kaiser Permanente Panorama City Medical Center
- Kaiser Permanente Redwood City Medical Center
- Kaiser Permanente Riverside Medical Center
- Kaiser Permanente Roseville Medical Center
- Kaiser Permanente Sacramento Medical Center
- Kaiser Permanente San Diego Medical Center
- Kaiser Permanente San Jose Medical Center
- Kaiser Permanente Santa Clara Medical Center
- Kaiser Permanente South Bay Medical Center
- Kaiser Permanente South Sacramento Medical Center
- Kaiser Permanente Vacaville Medical Center
- Kaiser Permanente West Medical Center Los Angeles
- Kaiser Permanente Woodland Hills Medical Center
- Kaiser Permanente Zion Medical Center
- Kaweah Delta Healthcare District
- Kaweah Health Medical Center
- Keck Hospital of USC
- Kerberos
- Kern Adult Programs - Bakersfield
- Kern Medical Center
- Kern Schools Federal Credit Union
- Kern Valley Healthcare District
- Kindred Hospital
- Kindred Hospital - Rancho
- Kindred Hospital - Riverside
- Kindred Hospital - San Gabriel Valley
- Kindred Hospital - South Bay
- Kindred Hospital - Westminster
- Kindred Hospital Baldwin Park
- Kingsburg Healing Center
- Korean American Coalition Sacramento Chapter
- Korean American Coalition, Los Angeles Chapter
- Korean Community Center of East Bay
- Korean Resource Center
- Kubota Tractor
- L'Auberge Del Mar Resort and Spa
- La Amapola Inc.
- LA Tourism and Concention Board
- LAC+USC Medical Center
- Laguna Cliffs Marriott Resort and Spa
- Lakewood Regional Medical Center