| Business | Phone |
| Accent Heating & Cooling 826 King St N, Waterloo N2J 4G8 | (519) 744-6433 |
| Carter-Grant Mechanical System 242 Nelson, Waterloo | (519) 746-3413 |
| Cronin-Emery Mechancial Ltd Rr 1 Kitchener Lcd Waterloo, Waterloo N2J 4G8 | (519) 742-2561 |
| Electrolee Products Inc 40 Baffin Pl, Waterloo N2V 1Z7 | (519) 884-2091 |