- Grossman and Waldman, LLP
- Guadalupe County United Way
- Gulf Coast Regional Blood Center
- Gusman Automotive
- GVNW Consulting Inc
- H.E. Butt Grocery Co.
- Hampton Inn and Suites Dallas-Mesquite
- Hampton Inn Austin North at IH-35 and Hwy 183
- Hampton Inn Houston Galleria
- Hampton Inn Houston I-10 East
- Hampton Inn San Antonio Downtown
- Hampton Inn, Austin
- Hampton Inn, College Station
- Hampton Inn, Round Rock
- Hampton Inn, Wichita Falls
- HandH Foods
- HannBuilders Ltd., LLP
- Harlingen Medical Center
- Harris County AFL-CIO
- Harris Health System
- Harris Methodist Erath County
- Harrison County United Way
- Harvard Technologies
- Hawthorn Suites on the Riverwalk, San Antonio
- HCA Gulf Coast Division
- HCA Houston Healthcare Clear Lake
- HCA Houston Healthcare Kingwood
- HCA Houston Healthcare North Cypress
- HCA-North Austin Surgery Center
- HealthHelp Inc.
- Hearthstone Assisted Living Inc.
- Henderson County United Way
- Hernandez Engineering Inc.
- HHS-OIG-Office of Audit Services
- HHS-OIG-OI Dallas Regional Office
- Hillicon
- Hilltop Automotive
- Hilton Arlington
- Hilton Austin North
- Hilton Beaumont
- Hilton College Station
- Hilton Garden Inn Houston-Bush Intercontinental
- Hilton Houston Westchase and Towers
- Hilton Midland
- Holiday Inn Corpus Christi, Airport-Padre Island
- Holiday Inn DFW Airport West, Bedford
- Holiday Inn Express, Addison
- Holiday Inn Fort Worth North-Fossil Creek-Alliance Area)
- Holiday Inn Fort Worth South and Conference Center
- Holiday Inn on the Beach, Galveston