| Business | Phone |
| Advanced Screening 8185 Tewksberry Pl, Grand Blanc 48439 | (810) 694-6274 |
| Universal Standard Medical 8447 Holly Rd, Grand Blanc 48439 | (810) 695-7437 |
| Genesys Laboratories 1 Genesys Pkwy, Grand Blanc 48439 | (810) 606-7361 |
| Quest Diagnotics 1 Genesys Pkwy, Grand Blanc 48439 | (810) 695-4947 |
| Quest Diagnostics 6011 Porter Rd, Grand Blanc 48439 | (810) 695-5369 |
| Quest Diagnostics 8447 Holly Rd, Grand Blanc 48439 | (810) 695-2053 |