- Katy Rotary
- Kayser's Automotive
- KCBK CBS13 KAMC ABC 28
- KEDA Radio
- Kell Muñoz Architects, Inc.
- Kerr County United Way
- Kinder Morgan Energy Partners LP
- Kindred Hospital - Fort Worth
- Kindred Hospital - Tarrant County Arlington)
- Kirby Corporation
- Knapp Medical Center
- Kraft Cleaners
- Kroger Food Stores
- Lake Granbury Medical Center
- Lakeway Inn Conference Resort, Austin TX
- Laredo Medical Center
- Larmar County Coalition
- Law Offices of Gilbert T. Adams
- Legacy of Life Tissue Foundation
- Leone's Cycle Shop Inc.
- LifeGift
- Linebarger Goggan Blair and Sampson, LLP
- Lions Eye Bank of Texas
- Lockheed Martin Space Operations
- Logix Communications
- Lone Star Transplant Association
- Lone Star Truck Center
- Lopez Negrete Communications Inc.
- Lower Colorado River
- Lubbock Area United Way, Inc.
- Lube Lizard
- Luby's
- Lung Diagnostics Ltd.
- LYDA Builders, Inc.
- Lyndon B. Johnson Space Center
- Macro Enterprises Inc.
- Magic Valley Concrete Ltd.
- Mandarin Gems
- Manor Park Inc.
- Marimon Business Systems, Inc.
- Mark III Systems Inc.
- Mark Kamin and Associates, Inc - Houston, TX
- Marriott Houston West Loop by the Galleria
- Marriott, Houston Hobby Airport)
- Mary Cadman MT, CCRA
- Mary E Bivins Foundation
- Matagorda County United Way
- MCA Communications Inc.
- McAllen Heart Hospital
- McAllen Medical Center