- Katy Independent School District
- Katy Rotary
- Kauai United Way
- Kaufmann's Distribution Center
- Kawabe Memorial House
- Kaweah Delta Healthcare District
- Kaweah Health Medical Center
- Kaye Acoustics, Inc.
- Kayser's Automotive
- KBS, Inc.
- KC Hispanic News
- KCBK CBS13 KAMC ABC 28
- KCLY Radio 100,9
- KDKA TV
- Kean University
- Kearfatt Cuidance and Navigation Corporation
- Kearney Visitors Bureau
- Kearns Improvement District
- Kearns Town Council
- Keck Hospital of USC
- KEDA Radio
- KeepSafe Center, Inc.
- Kell Muñoz Architects, Inc.
- Keller Williams Realty at the Villas
- Keller Williams Realty Legacy Partners, Inc.
- Kellogg
- Kellogg's
- Kelly Press
- Kelly Services
- Kelly Springfield
- Kemira Chemicals, Inc.
- Kemmons Wilson Co.
- Ken Garff Auto Dealers
- Kenai Peninsula Borough
- Kendall Regional Medical Center
- Kendro Laboratory Products, Inc.
- Kenmore Mercy Hospital
- Kennametal Inc.
- Kennecott Corporation
- Kennedy Health System
- Kennedy School of Government
- Kennedy University Hospital Cherry Hill
- Kenneth L. Elder Accounting
- Kennett Chamber of Commerce
- Kenosha Community Health Center, Inc.
- Kensey Nash
- Kensington Park Retirement Community
- Kent County
- Kent County - Grand Rapids
- Kent County - Kentwood