| Business | Phone |
| Alumatube Radiant Heaters 105 Gibson Dr, Markham L3R 3K7 | (905) 415-1644 |
| Rosemex Products Inc 60 Amber St, Markham L3R 2Z9 | (416) 592-0546 |
| Nrg Equipment 90 Drakefield Rd, Markham L3P 1H1 | (905) 471-2249 |
| Don Park Inc 570 Denison St, Markham L3R 1B9 | (905) 475-6644 |