| Andrew Groocock, Tour Guide | 713-864-3875 | COST. Specialist in art, architecture, and history. | | Commercial Touring Companies, All | |
| Betty Bruno, Tour Guide | 713-631-4454 | COST. A specialist in African American aspects of Houston area. | | All, Commercial Touring Companies | |
| Bob Zurik, Tour Guide | 281-497-3417 | COST. General tours with special knowledge of the Brown Convention Center and Minute Maid. | 14603 Carolcrest Houston, Texas 77079 | Commercial Touring Companies, All | |
| Destination Houston Tours | 713-227-8300 | COST. General Houston city tours, neighborhood tours, tunnels walks, rail tours. | 912 Prairie Houston, Texas 77002 | Commercial Touring Companies, All | Destination Houston Tours |
| Discover Houston Tours | | COST. Downtown walking tours is the specialty: Tunnel Walks, Rail Tours, Broomstick Adventures, Ghost Walks, and Downtown Holiday Walk. | | Commercial Touring Companies, All | Discover Houston Tours |
| Dot Honeycutt, Tour Guide | 281-398-0659 (home) 713-582-2502 (cell) | COST. Specialist in historical tours of Downtown and neighborhoods | | Commercial Touring Companies, All | |
| Emerson Arnold, Tour Guide | 936-894-3426 (Home) 713-417-2371 (cell) | COST. Conducts tours via motor coaches and motorcycles. | | All, Commercial Touring Companies | |
| Houston Historical Tours | 713-392-0867 | COST. About 50 diverse tours, general city tours (2-10 hours), theme tours, NASA, neighborhood tours, commercial and shopping tours, and about 50 out of town tours by locale and theme. | | Commercial Touring Companies, All | Houston Historical Tours |
| Houston Tours, Inc. | 713-988-5900 or 832-630-9188 | COST. General Houston tour, Space Center, San Jacinto, Battleship, etc. | 8915 Bellaire Blvd. Houston, Texas 77036 | Commercial Touring Companies, All | Houston Tours, Inc. |
| Lucette Rieger, Tour Guide | 713-960-1239 | COST. Provides a variety of tours, with the strength of conversing in several languages. | | Commercial Touring Companies, All | |
| Lynn Gaines, Tour Guide | 713-524-2381 (home) 832-721-0597 (cell) | COST. Specialist in Downtown, the Museum District, the Montrose area, Reliant Stadium, and walking tours. | | Commercial Touring Companies, All | |
| Michael R. Kees, Tour Guide | 281-474-1225 | COST. Specialist in the tunnels, downtown, Minute Maid, and general tours. | | Commercial Touring Companies, All | |
| Moderne Metropolis Tours | 713-680-1955 or 1-800-895-4667 | COST. Driving, walking, and rail tours: architecture, history, Downtown; Midtown; Medical Center; Hermann Park; Rice University; Reliant Stadium. Ask for a City Tour by town car with Michael Zargarov as your driver. | | Commercial Touring Companies, All | Moderne Metropolis Tours |
| Texana Tours | 281-772-9526 | A general Houston tour & tours of NASA, San Jacinto Battleground, and Minute Maid Park. | Spring Texas, 77393 | Commercial Touring Companies, All | Texana Tours |
| Texas Tour Connection | 713-826-6963 | COST. Tour emphasis: Texas History, Houston City, NASA, etc. | 2303 Shane Road Richmond Texas, 77469 | Commercial Touring Companies, All | Texas Tour Connection |