- A & J Bennett's Air Cond & Htg
- A One Heating & Cooling Inc
- Absolute Heating & Air Svc
- Air Flow Mechanical
- Air Force Heating & Air Cond
- Air-South Heating & Air
- Aircond Corp
- Airmaster Heating & Air Inc
- American Heating Air & Refgrtn
- American Mechanical Contractor
- Butler Heating & Air Cond
- Georgia Air Masters Htg & Air
- Lawrenceville Heating & A/C
- Mechanical Equipment Co
- Paul's Heating & Air Inc
- Quality Mechanical Inc
- Stanley Johnson Heating & Air