| Business | Phone |
| A Top 8481 Keele, Thornhill | (905) 944-9943 |
| International Communication 1054 Centre St #164, Thornhill L4J 8E5 | (905) 669-0212 |
| Plantronics 182 Tansley Rd, Thornhill L4J 4E7 | (905) 886-9250 |
| Roydon Business Telephone Syst 88 Dawn Hill Trail, Thornhill L3T 3B3 | (905) 731-2201 |