| Business | Phone |
| Precise Tooling 1621 Mcewen Dr, Whitby L1N 9A5 | (905) 576-0555 |
| Quantum Cnc Inc 111 Industrial Dr, Whitby L1N 5Z9 | (905) 434-8000 |
| Custom Automated Machine 2001 Thickson Rd S #16, Whitby L1N 6J3 | (905) 743-0123 |
| Durham Tool Ltd 2001 Thickson Rd S #8, Whitby L1N 6J3 | (905) 576-7469 |
| Dynex Engineering Inc 2300 Forbes St, Whitby L1N 8M3 | (905) 721-1200 |
| Fabwel Manufacturing & Design 1375 Hopkins St, Whitby L1N 2C2 | (905) 668-9900 |
| Gen-X Manufacturing 1801 Wentworth St #12, Whitby L1N 8R6 | (905) 725-0032 |