| Nominate Nominated! | Adam's Air Systems |
| Nominate Nominated! | Akrym Sheet Metal |
| Nominate Nominated! | Bob Reid Heating &Air Conditioning |
| Nominate Nominated! | Bogar-Paterson |
| Nominate Nominated! | Boyko's Heating and Air Conditioning |
| Nominate Nominated! | Brian Easton Heating & Air Conditioning |
| Nominate Nominated! | Britain Mechanical Group Ltd |
| Nominate Nominated! | Bulldog Mechanical |
| Nominate Nominated! | Enviro-Niagara Hearth & Barbeque |
| Nominate Nominated! | Enviro-Niagara Heating & Air Conditioning |
| Nominate Nominated! | Eric Gas & Electric |
| Nominate Nominated! | Evans Heating & Cooling |
| Nominate Nominated! | Fretz Heating & Air Conditioning |
| Nominate Nominated! | Fretz Plumbing, Heating & AC |
| Nominate Nominated! | Furnace Pros Niagara |
| Nominate Nominated! | Ideal Plumbing & Heating |
| Nominate Nominated! | J & S Heating And Air Conditioning |
| Nominate Nominated! | J & S Refrigeration |
| Nominate Nominated! | JJM Heating & Cooling |
| Nominate Nominated! | Jordan's Heating and Cooling |
| Nominate Nominated! | Konkle Plumbing & Heating |
| Nominate Nominated! | MacKay Heating & Cooling |
| Nominate Nominated! | Metro Plumbing & Heating (Niagara) |
| Nominate Nominated! | Montgomery Comfort Centre |
| Nominate Nominated! | Mr Furnace Heating and Air Conditioning |
| Nominate Nominated! | Naturally Gas |
| Nominate Nominated! | Niagara Home Heating |
| Nominate Nominated! | NM Heating and Cooling |
| Nominate Nominated! | Oakleaf Home Services |
| Nominate Nominated! | Pac Heating & Air Conditioning |
| Nominate Nominated! | Paterson-Lange Heating & Air |
| Nominate Nominated! | Penn Refrigeration |
| Nominate Nominated! | Performance Heating & Cooling |
| Nominate Nominated! | Premium Home Services Inc. |
| Nominate Nominated! | Revolution Energy |
| Nominate Nominated! | Rez Dawg |
| Nominate Nominated! | Service Experts Heating & Air Conditioning |
| Nominate Nominated! | Skinner Mechanical |
| Nominate Nominated! | Tradesplus |
| Nominate Nominated! | Tri-Comfort Heating and Air |
| Nominate Nominated! | Upper Canada Mechanical Heating & Air Conditioning |
| Nominate Nominated! | Ventech Mechanical |
| Nominate Nominated! | Warren Mechanical Plumbing & Heating Contractors |
| Nominate Nominated! | Wellington Plumbing and Heating Ltd |
| Nominate Nominated! | Winn's Plumbing and Heating |