| Business | Phone |
| Adtek Photomask Inc 4950 Rue Fisher, Saint-Laurent H4T 1J5 | (514) 737-7030 |
| Testerion 3075 Rue Halpern, Saint-Laurent H4S 1P5 | (514) 338-1105 |
| Cadcopac Inc 7575 Boul Thimens, Saint-Laurent H4S 2A2 | (514) 333-3131 |
| Circuits Labo Inc 525 Rue Deslauriers, Saint-Laurent H4N 1W2 | (514) 745-4464 |
| Circuits Grm Enr 4960 Rue Courval, Saint-Laurent H4T 1L4 | (514) 344-5333 |