| Business | Phone |
| Mjh Environmental Indoor 4 Stewart Blvd, Brockville K6V 4V8 | (613) 345-6435 |
| Upper Canada Hvac Systems 1267 North Augusta Rd, Brockville K6V 5T2 | (613) 341-9271 |
| Fergusson Heating & Cooling 1478 Windsor Dr, Brockville K6V 6X5 | (613) 342-2088 |
| Astril Sales 1415 California Avenue, Brockville K0E 1T0 | (613) 423-2665 |