| Business | Phone |
| Affiliated Medical Diagnostic 5400 S Pennsylvania Ave, Oklahoma City 73119 | (405) 685-1524 |
| Alcohol & Drug Testing Inc 1501 Se 66th St # G, Oklahoma City 73149 | (405) 677-6644 |
| Arrow Drug & Alcohol Screening 1330 N Classen Blvd # G20, Oklahoma City 73106 | (405) 236-2245 |
| Compliance Resource Group Inc 4800 Nw 10th St, Oklahoma City 73127 | (405) 943-6465 |
| Lab Connection 2525 Nw Expressway St, Oklahoma City 73112 | (405) 842-6868 |
| P C Svc Drug Testing 9300 S Pennsylvania Ave # F, Oklahoma City 73159 | (405) 378-2400 |
| Team Professional Svc Llc 2212 Nw 50th St # 149, Oklahoma City 73112 | (405) 840-1288 |
| St Anthony Substance Abuse 1000 N Lee Ave, Oklahoma City 73102 | (405) 272-6786 |