| Business | Phone |
| 3 D Custom Fabricating 38 Elizabeth St, Guelph N1E 2X2 | (519) 763-4434 |
| Arris Tek 49 Wells St, Guelph N1E 6B7 | (519) 823-8700 |
| Glm Welding Svc Rr 2 Stn Main, Guelph N1H 6H8 | (519) 856-4208 |
| Linita Welding Ltd 383 Elmira Rd N, Guelph N1K 1H3 | (519) 836-1562 |
| Oskam Welding & Machine Ltd 40 Rutherford Crt, Guelph N1G 4N5 | (519) 822-8333 |
| Panda Welding 53 Lewis Rd, Guelph N1H 1E9 | (519) 837-9928 |
| Rensch Brothers Welding Ltd 643 Wellington St W, Guelph N1H 8L8 | (519) 822-6862 |
| Robertson Technologies 141 Victoria Rd S, Guelph N1E 5P8 | (519) 767-2550 |
| Rosmar Welding 425 Elizabeth St, Guelph N1E 2Y2 | (519) 822-9905 |
| Royal City Welding 22 Elson Dr, Guelph N1G 4R6 | (519) 837-1867 |
| Weldwright 695 Eramosa Rd, Guelph N1E 5Z1 | (519) 763-3943 |
| Chaarani Railing & Welding 80 Regal Rd #1, Guelph N1K 1C1 | (519) 836-6740 |
| Choice Transportation Svc Inc 44 Johnston St, Guelph N1E 6V8 | (519) 763-3704 |
| General Welding Rr 5 Stn Main, Guelph N1H 6J2 | (519) 823-5110 |