| Business | Phone |
| Discover Scuba 2307 Dunlavy St, Houston 77006 | (713) 523-9055 |
| Gigglin-Marlin Divers Inc 2211 Richmond Ave, Houston 77098 | (713) 521-1859 |
| Manta Ray Divers Houston 77077 | (281) 496-6444 |
| Houston Scuba Academy 12505 Hillcroft St, Houston 77035 | (713) 721-7788 |