| Business | Phone |
| Trf Ltd 2123 S Clear Creek Rd, Killeen 76549 | (254) 628-8836 |
| Quest Diagnostics 2111 S Stan Schlueter Loop, Killeen 76549 | (254) 616-2416 |
| Quest Diagnostics 2301 S Clear Creek Rd, Killeen 76549 | (254) 519-4123 |
| Quest Diagnostics Inc 2804 S W S Young Dr, Killeen 76542 | (254) 526-8236 |
| Laboratory Corp Of America 2125 S Clear Creek Rd, Killeen 76549 | (254) 554-5980 |