| Business | Phone |
| Ats Labs 1285 Corporate Center Dr, St Paul 55121 | (651) 379-5510 |
| Dyne Technologies 2357 Ventura Dr # 108, St Paul 55125 | (651) 917-0644 |
| Intertech Testing Svc 7250 Hudson Blvd N # 100, St Paul 55128 | (651) 730-1188 |
| American Test Ctr-Atc 3540 Hoffman Rd E, St Paul 55110 | (651) 770-2003 |
| Legend Technical Svc 775 Vandalia St, St Paul 55114 | (651) 642-1150 |
| Northern Clearwater Ltd 27 Empire Dr # 117, St Paul 55103 | (651) 489-5885 |
| Specialty Lab Inc 4211 Lexington Ave N # 1002, St Paul 55126 | (651) 482-2778 |