| Business | Phone |
| Nadeco Limited 351 Silvercreek Pky N, Guelph N1H 1E6 | (519) 827-0856 |
| Rite Way Mechanical Ltd 33 Hayes Ave, Guelph N1E 5V6 | (519) 836-9961 |
| D K & S Mechanical Hvac 355 Elmira Rd N #129, Guelph N1K 1S5 | (519) 837-8522 |
| Dunford Environmental Products 449 Laird Rd #13, Guelph N1G 4W1 | (519) 824-6260 |