| Business | Phone |
| Quest Diagnostics 1023 N Mound St, Nacogdoches 75961 | (936) 564-1862 |
| Physicians Clinical Lab 4800 Ne Stallings Dr 112, Nacogdoches 75965 | (936) 564-7033 |
| Medical Center Professional 4635 Ne Stallings Dr 102, Nacogdoches 75965 | (936) 569-6500 |