| Business | Phone |
| Accurassay Laboratories 1070 Lithium Dr #2, Thunder Bay P7B 6G3 | (807) 626-1630 |
| Intertek Testing Svc 960 Alloy Dr #C, Thunder Bay P7B 6A4 | (807) 345-5392 |
| Resource Centre For Safety 955 Oliver Rd, Thunder Bay P7B 5E1 | (807) 343-8128 |
| Enviro-Test Labs Thunder Bay 1081 Barton St #104, Thunder Bay P7B 5N3 | (807) 623-6463 |