| Business | Phone |
| Richard Ellis 13311 Purple Sage Rd, Dallas 75240 | (972) 233-2050 |
| Richard's Laboratory 13999 Goldmark Dr 439, Dallas 75240 | (972) 231-6830 |
| Enterolab 10875 Plano Rd 123, Dallas 75238 | (972) 686-6869 |
| Quest Diagnotics 221 W Colorado Blvd 443, Dallas 75208 | (214) 946-1750 |
| Best Clinical Laboratories 3440 S Polk St, Dallas 75224 | (214) 371-4316 |