- Kraft-Sussman Funeral and Cremation Services
- KraftMaid Cabinetry, Inc
- Krez Group
- Krisam Group
- KRM Information Services, Inc.
- Kroger Food Stores
- Kroger, Delta Division
- KSL Resorts
- KSL Resorts
- KSL-TV
- KTA-Tator, Inc.
- KTW Consulting
- KU School of Medicine-Wichita
- Kubota Tractor
- KUED7
- Kuhlman Corporation
- Kulicke and Soffa Industries Inc.
- Kullman
- Kung Fu Martial Arts and Health Academy
- KUNM Radio - Native America Calling
- KUTV
- Kutztown University
- Kwik Kopy Printing
- L'Auberge Del Mar Resort and Spa
- L.A. Ruiz Associates, Inc.
- L3 Communications
- L3 Communications
- La Amapola Inc.
- LA Inc. The Convention and Visitors Bureau
- La Paz Regional Hospital
- La Paz Restaurante
- La Porte Hospital
- La Raza Pizza Inc.
- La Rosa Del Monte Express, Inc.
- LA Tourism and Concention Board
- Lab Safety Supply
- LabCorp
- Laboratorio Clinico Amelia
- Laborers Combined Funds
- Laborers, Local 894
- LAC+USC Medical Center
- LaClinic Del Carino Family Health Clinic
- Lady of the Sea General Hospital
- Lafayette Convention and Visitors Commission
- Lafayette General Medical Center
- Lagomarsino, Dempsey and Dennis
- LaGuardia Community College
- Laguna Cliffs Marriott Resort and Spa
- Lahey Hospital and Medical Center
- Laird Hospital