| Business | Phone |
| P R Mack & Son Ltd 80 Power St, Toronto M5A 4C1 | (416) 362-4234 |
| Speedy Rubber Stamps & Marking 400 Queen St E, Toronto M5A 1T3 | (416) 367-3700 |
| Toronto Stamp Inc 137 Church St, Toronto M5B 1Y5 | (416) 368-7022 |
| Cwmac 264 Fairall St, Toronto | (416) 426-1628 |