| Business | Phone |
| Foundation-Orthopedic Research 6410 Fannin St, Houston 77030 | (713) 799-2429 |
| Guide Dog Ltd 5644 Westheimer Rd, Houston 77056 | (713) 622-2075 |
| Houston Medical Research Assoc 6550 Fannin St, Houston 77030 | (713) 791-9305 |
| Howard Hughes Medical Inst 1200 Moursund St, Houston 77030 | (713) 798-8500 |