Gropp Heating Air & Electric …………………………………..…………………….………………….…… Idaho
Terry's Heating & Air Conditioning ……………………………..……………………………………… Idaho
Western Heating & Air Conditioning ……..………………………………………………………… Idaho
Duane Blanton Plumbing Sewer Heating & Cooling ………….……………….… Illinois
Swift Air Mechanical …………………………………………………………………………….………………… Indiana
Fayette Heating & Air ………………………………………………………………………………..………. Kentucky
Gervais Mechanical Services ………………………………….…………….…..…… Massachusetts
Swick Home Services……………………………………………………………………………………………..Michigan
Allied Building Service ……………………………………………….………………………..…….……… Michigan
Great Dane Heating & Air Conditioning ………….………………………..…….……… Michigan
Parker Arntz Plumbing & Heating ………………………………….…….…….…………….… Michigan
Precision Plumbing & Heating …………………..………………………………..…….………… Michigan
Dutch Enterprises ………………………………………………….……..………………….…………..………… Missouri
Bertke Electric Company ………………………………...…………………………….………..………………… Ohio 
Reliant Mechanical ……….……….…………………………….………………………………………………………… Ohio
Smith Fasteners ……………….……………………………………...…………………………………… West Virginia