| Business | Phone |
| 851487 Ontario Ltd 31 Cindy Nicholas Dr, Scarborough M1E 5C4 | (416) 282-2240 |
| Microsym Computers Inc 131 Finchdene Sq #5, Scarborough M1X 1A6 | (416) 293-8263 |
| Vican Electronics 2721 Markham Rd #36, Scarborough M1X 1L5 | (416) 412-2111 |
| Gao Research Inc 10 Milner Business Crt, Scarborough M1B 3C6 | (416) 292-0038 |