| Business | Phone |
| Lab Services Inc 1922 E Griffin Pkwy, Mission 78572 | (956) 424-3000 |
| Physicians Laboratory Svc Inc 202 E Expressway 83, Mission 78572 | (956) 519-1055 |
| Quest Diagnotics 1022 E Griffin Pkwy 201b, Mission 78572 | (956) 581-3019 |
| Scientific Medical Supplies 2704 E Griffin Pkwy A, Mission 78572 | (956) 664-0600 |