| Company Name | Phone | Contact |
| Controls |
| Hoffman Building Technologies | 704-366-8361 | Gary Barber |
| ALC Controls Inc. | 704-398-3006 | Jim Miracle |
| Siemens Building Technologies | 704-847-1680 | Jim Moore |
| Facilitech, Inc. | 704 -568-4121 | Nick Sarif |
| Johnson Controls | 704-521-8889 | Tim Davis/Dale Hall |
| Duct Fabricators |
| BHV Sheet Metal Fabricators | | Chris Reid |
| Suppliers To Wholesalers | 704-375-7406 | Spencer |
| East Coast Metal | 704-599-0097 | Steve Clark/John Cathey |
| Engineered Products |
| Thermal Resource Sales | 704-392-7334 | Brian Parrish |
| James M. Pleasants Company | 704-545-0144 | Chad Roberts |
| Redblue Incorporated | 704-644-1531 | Chris Robisch |
| Faulkner Haynes | 704-527-5134 | Eric Titler |
| East Coast Metal Distributors | 704-599-0097 | Greg Cox |
| Pace, Inc. | (704) 597-8990 | Ike Smith |
| Heat Transfer Sales | (704) 392-5228 | Jerry Hall |
| Yandle Witherspoon Supply | 704-372-2780 | Michael |
| Hoffman - Hoffman, Inc. | 704-364-4700 | Richard Givens |
| Hahn-Mason | 704-523-5000 | Rick |
| LR Gorrell | 704-527-8840 | Tracey Lepage |
| Equipment |
| York, A Johnson Controls Co. | 704-521-8889 | Bo Bobrowski |
| Carrier North Carolina | 704-394-7311 | Brent Hayden |
| Virginia Air Distributors | 704-599-1933 | Danny Wilson |
| Adams Companies | 704-664-4907 | Debbie Wise |
| The Trane Company | 704-558-4615 | Matt Baskerville |
| Lennox Industries | 704-598-2210 | Ron Palmer/Keith Wentland |
| Insulation |
| Standard Residential Insulatio | 704-333-5151 | Ike Mason |
| A-1 Quality Insulating | 704) 331-9294 | Kenny White |
| Internet Support |
| WebNeed, Inc | 704-347-5081 | Zak Kacho |
| Piping |
| Murray Supply | 704-334-4651 | Charlie Szymborski |
| Testing and Balance |
| AIRION Associates | 864-963-0283 | Randy Wardlaw |
| Commercial Air and Controls | (704) 992-6740 | Ray Cauthen |
| TAB Services | 404-329-1001 | Steve Cromer |
| Water Treatment/Testing |
| Water Control Services | 706-836-1732 | Larry Croft/Jim Skillen |
