| Business | Phone |
| Allied Mineral Products 2144 Owen Lane, Burlington L7M 3J1 | (905) 336-6613 |
| Auburn Industrial Svc Ltd 1160 Blair Rd, Burlington L7M 1K9 | (905) 335-1136 |
| Imacro Inc 1254 Plains Rd E, Burlington L7S 1W6 | (905) 634-3133 |
| Kawasaki Refractories Co Ltd 2264 Oakridge Cres, Burlington L7M 4A1 | (905) 319-1427 |
| Rhi Canada Inc 4355 Fairview St, Burlington L7L 2A4 | (905) 639-8660 |
| Stellar Canada Inc 3385 Harvester Rd, Burlington L7N 3N2 | (905) 631-1156 |
| Stellar Canada Inc 1079 Westhaven Dr, Burlington L7P 5B5 | (905) 336-1109 |
| Thermal Ceramics 1185 Walkers Line, Burlington L7M 1L1 | (905) 335-3414 |
| Tyk America Inc 4151 Mainway, Burlington L7L 5N9 | (905) 319-1700 |
| Fibrecast Inc 3264 Mainway, Burlington L7M 1A7 | (905) 319-1080 |