| Business | Phone |
| Mci Ltd 140 Dearborn Pl, Waterloo N2J 4N5 | (519) 884-6800 |
| Transera Electronics Inc 7 Colby Crt, Waterloo N2V 1Y9 | (519) 885-5040 |
| Transformers Canada Inc 146 Dearborn Pl, Waterloo N2J 4N5 | (519) 888-6210 |
| Electronic Craftsmen 73 Schaefer St, Waterloo N2L 4C4 | (519) 884-2210 |