| Business | Phone |
| Koch Engineering Co Ltd 4750 Sheppard Ave E, Scarborough M1S 3V7 | (416) 293-3666 |
| S A Armstrong Ltd 23 Bertrand Ave, Scarborough M1L 2P3 | (416) 755-2291 |
| Sns Cooling Technology Inc. 90-6 melford drive, Unit#6, Scarborough M1B2A1 | (416) 738-7797 |