| Business | Phone |
| 4 A Electronic Systems 1748 Crately Crt, Mississauga L5N 7L2 | (905) 812-7757 |
| Act Ameri-Can Telecom 2380 Dunwin Dr, Mississauga L5L 1J9 | (416) 410-1606 |
| Ansa-Tel Communications Inc 3525 Marmac Cres, Mississauga L5L 5A2 | (905) 820-8020 |
| Alcatel Canada Inc 2425 Matheson Blvd E #600, Mississauga L4W 5K4 | (905) 238-5214 |
| All Communications Network 2660 Argentia Rd, Mississauga L5N 5V4 | (905) 567-5005 |
| Ansatel Communications Inc 3437 Derry Rd E, Mississauga L4T 1A8 | (905) 678-3333 |
| Innovative Technical Solutions 2400 Dundas St W, Mississauga L5K 2R8 | (905) 569-1845 |
| International Telephone Prods 1331 Crestlawn Dr #B, Mississauga L4W 2P9 | (905) 625-3100 |
| Introtel E Networks 2425 Skymark Ave #1, Mississauga L4W 4Y6 | (905) 625-8700 |
| Isys Canada Inc 6305 Northam Dr, Mississauga L4V 1W9 | (905) 405-0234 |
| Meteor Telecommunications Inc 6777 Invader Cres, Mississauga L5T 2B7 | (905) 565-1180 |
| Nec Canada Inc 5995 Avebury Rd #701, Mississauga L5R 3P9 | (905) 712-5600 |
| Nexicom Systems Inc 5160 Explorer Dr, Mississauga L4W 4T7 | (905) 282-0771 |
| Phoenix Telecom Inc 335 Admiral Blvd #9, Mississauga L5T 2N2 | (905) 564-5644 |
| Phone Guys 888 South Service Rd, Mississauga L5E 1T9 | (905) 275-0000 |
| R V Telecommunications & Data 150 Lakeshore Rd W #704, Mississauga L5H 3R2 | (905) 271-2925 |
| Braicom Communications 2547 Rugby Rd, Mississauga L5B 1T1 | (905) 803-0600 |
| Ray-Bar Communications Inc 3480 Laird Rd #1, Mississauga L5L 5Y4 | (905) 569-8818 |
| Samsung Business Telephone 7037 Financial Dr, Mississauga L5N 6R3 | (905) 542-0771 |
| Sas Ontario Ltd 530 Otto Rd #24, Mississauga L5T 2L5 | (905) 564-5883 |
| Tele-Comp Connections 1222 Crestlawn Dr, Mississauga L4W 1A6 | (905) 625-3588 |
| Tel-Dat Accessories Inc 4140 Sladeview Cres #3, Mississauga L5L 6A1 | (905) 607-1620 |
| Telerex Communications Inc 1515 Matheson Blvd E, Mississauga L4W 2P5 | (905) 206-1901 |
| Telephone & Data Solutions 3359 Delfi Rd, Mississauga L5L 1S1 | (905) 608-2785 |
| Teltronics Inc 6205 Airport Rd, Mississauga L4V 1E1 | (905) 676-1670 |
| Transglobal Systems Of Canada 6635 Kitimat Rd #39, Mississauga L5N 6J2 | (905) 813-8762 |
| Tricrest Professional Svc 6315 Shawson Dr, Mississauga L5T 1J2 | (905) 670-5019 |
| Williams Telecommunications 5610 Kennedy Rd, Mississauga L4Z 2A9 | (905) 712-4242 |
| Coin-In Telesis Inc 2533 Wharton Glen Ave, Mississauga L4X 2A8 | (905) 949-8811 |
| Canadian Megatel 2400 Dundas St W, Mississauga L5K 2R8 | (905) 625-3555 |
| Centel Communications Inc 5155 Spectrum Way #7, Mississauga L4W 5A1 | (905) 629-5000 |
| Dcs Telecom Ltd 1585 Britannia Rd E, Mississauga L4W 2M4 | (905) 696-9451 |
| Dvise Telecom Solutions Inc 4605 Donegal Dr #15, Mississauga L5M 4X7 | (905) 607-5738 |
| Ericsson Communications Canada 5255 Satellite Dr, Mississauga L4W 5E3 | (905) 629-6700 |
| Executive Communications 5747 Coopers Ave, Mississauga L4Z 1R9 | (905) 890-9983 |
| Future Link Communications 3190 Ridgeway Dr #7, Mississauga L5L 5S8 | (905) 607-0208 |