| Business | Phone |
| Marden Fabricating Ltd 2500 Sheffield Rd, Ottawa K1B 4E5 | (613) 746-5132 |
| Mastron Mechanical Sheet Metal 1733 Woodward Dr, Ottawa K2C 0P9 | (613) 727-5537 |
| Metal-Con Mechanical Inc 1733 Woodward Dr, Ottawa K2C 0P9 | (613) 274-3247 |
| Robadair Limited 2400 Lancaster Rd, Ottawa K1B 3W9 | (613) 731-6019 |
| Ferblanterie Skv Ltee 1225 Newmarket St, Ottawa K1B 5N6 | (613) 748-0211 |
| Dura Sheet Metal Ltd 1733 Woodward Dr, Ottawa K2C 0P9 | (613) 274-0323 |