| Business | Phone |
| Howell Data Systems 4056 Meadowbrook Dr #110, London N6L 1E2 | (519) 652-3158 |
| Infospec Systems Inc 110 Milan Pl, London N5Z 5A2 | (519) 668-9822 |
| Kingley's Pos Systems 951 Commissioners Rd E #1004, London N5Z 4N1 | (519) 686-5767 |
| Middlesex Business Machines 610 Newbold St #5, London N6E 2T6 | (519) 685-6886 |
| Biz-Pro Ltd 97 King St, London N6A 1C1 | (519) 434-2189 |
| Dataflo Business Systems 280 Adelaide St S, London N5Z 3L1 | (519) 686-8244 |