| Business | Phone |
| Clinical Laboratories-Midwest 1500 W 22nd St # 103, Sioux Falls 57105 | (605) 328-5464 |
| Sioux Valley Direct Test 4001 W 41st St, Sioux Falls 57106 | (605) 323-1700 |
| Dms Imaging Inc 109 S Petro Ave, Sioux Falls 57107 | (605) 330-9060 |
| Physician's Laboratory Ltd 1000 E 21st St, Sioux Falls 57105 | (605) 322-7200 |
| Mobile Neurodiagnostic Svc 911 E 20th St # 205, Sioux Falls 57105 | (605) 339-3439 |
| Mckennan Regional Reference 800 E 21st St, Sioux Falls 57105 | (605) 322-7187 |