| Business | Phone |
| Diagnostic Specialties Lab 931 Ridge Rd, Munster 46321 | (219) 513-2305 |
| Laboratory Corp Of America 800 Macarthur Blvd # 16, Munster 46321 | (219) 836-2269 |
| Northern Indiana Med Lab Svc 7905 Calumet Ave, Munster 46321 | (219) 836-0091 |
| Quest Diagnostics Inc 9120 Columbia Ave, Munster 46321 | (219) 836-5522 |