| Business | Phone |
| Aire One East Heating & Clng 1910 Dundas St E #B101, Whitby L1N 2L6 | (905) 576-7600 |
| H B Contracting 10 Parnell Cres, Whitby L1R 2L4 | (905) 430-0108 |
| Magnum Heating & Cooling Inc 16 Charles St, Whitby L1M 1A5 | (905) 655-7322 |
| Mgm Heating & Air Cond 108 Hemingford Pl, Whitby L1R 1E9 | (905) 666-3220 |
| Naked Flame Fireplace Wrhs 10 Sunray St #18, Whitby L1N 9B5 | (905) 668-3366 |
| Stannair Enbridge Business Svc 1751 Wentworth St #17, Whitby L1N 8V5 | (905) 723-6101 |
| Durham Mechanical 1621 Mcewen Dr #17, Whitby L1N 9A5 | (905) 434-6337 |
| Gdr Mechanical Inc 7362 Ashburn Rd, Whitby L1M 1L4 | (905) 655-4232 |