| Business | Phone |
| K & S Drafting Svc Ltd 620 Norah Cres, Thunder Bay P7C 5V8 | (807) 622-0577 |
| P L Drafting Svc 119 Cottonwood Cres, Thunder Bay P7A 3L8 | (807) 345-5349 |
| Pawliuk Interplan Design Inc 411 Donald St E, Thunder Bay P7E 5V1 | (807) 623-5503 |
| R L Tomlinson Drafting Inc 107 Cumberland St N, Thunder Bay P7A 4M3 | (807) 345-6375 |
| Ray Hunnakko Home Design 20 Ray Blvd, Thunder Bay P7B 4C1 | (807) 345-8313 |
| D B Roberts Technical Svc 428 Norah St S, Thunder Bay P7E 1N9 | (807) 623-4340 |