| Business | Phone |
| Aim Systems 72 St Leger St #5, Kitchener N2H 6R4 | (519) 741-0595 |
| Aire One Heating & Cooling 935 Frederick St #2, Kitchener N2B 2B9 | (519) 569-8200 |
| All Weather Air Systems 94 Blackwell Dr, Kitchener N2N 1P8 | (519) 743-0921 |
| Huebner Heating & Air Cond 6 Hoffman St, Kitchener N2M 3M4 | (519) 743-4271 |
| Image Air Conditioning Ltd 137 Old Chicopee Dr, Kitchener N2A 3R7 | (519) 748-2380 |
| Internos Mechanical Inc 300 Trillium Dr #7, Kitchener N2E 2K6 | (519) 748-4900 |
| Stemerdink Services Ltd 267 Blackhorne Dr, Kitchener N2E 1Z2 | (519) 585-1264 |
| Wolverine Heating & Cooling 103 Old Carriage Dr, Kitchener N2P 1H5 | (519) 893-9260 |
| Drw Mechanical Ltd 38 Branwood Pl, Kitchener N2A 4C3 | (519) 894-6773 |
| Arthur's Heating & Cooling 27-51 Paulander Dr, Kitchener N2M 5E5 | (519) 572-2939 |