| Business | Phone |
| J C's Mechanical Systems 85 Chimney Hill Dr, Cambridge N1T 1H2 | (519) 622-2764 |
| Yukon Refrigeration 2195 Coronation Blvd, Cambridge N3H 3S1 | (519) 650-9590 |
| Campbell Energy Systems Rr 4 Stn Galt, Cambridge N1R 5S5 | (519) 623-4589 |
| Doug's Heating & Air Cond Rr 21 Stn Preston, Cambridge N3C 2V3 | (519) 658-6162 |
| Emerson Mechanical Inc 3 Grandview Ave, Cambridge N1R 1E6 | (519) 653-1997 |