| Business | Phone |
| J P Cable Installations Ltd 565 Massey Rd, Guelph N1K 1B3 | (519) 767-1086 |
| Onward Computers 35 Harvard Rd #25, Guelph N1G 3A2 | (519) 836-9001 |
| Orbex Computer Systems 557 Massey Rd, Guelph N1K 1B3 | (519) 837-0505 |
| Rlb System Solutions 21 Lewis Rd, Guelph N1H 1E9 | (519) 822-3450 |
| Spectrum Computing 68 Wimbledon Rd #C, Guelph N1H 7V3 | (519) 821-5429 |
| Trans Plus Systems Corp 44 Corporate Crt, Guelph N1G 5G5 | (519) 763-1725 |
| Connexx Systems 129 Victoria Rd N #54, Guelph N1E 6T8 | (519) 836-1022 |
| Ferguson Computer Svc Ltd 16 Hadati Rd #41, Guelph N1E 6M2 | (519) 824-7287 |