| Business | Phone |
| A 1 Quality Air Systems 850 Tapscott Rd, Scarborough M1X 1N4 | (416) 299-9660 |
| Sallan Clean Air Systems Ltd 5310 Finch Ave E #16, Scarborough M1S 5E8 | (416) 299-5387 |
| Casco Engineering 3 Kingsbury Cres, Scarborough M1N 1E8 | (416) 699-2532 |
| Enerplace Inc 431 Nugget Ave #14, Scarborough M1S 4J5 | (416) 298-5646 |