| A/C Covers – Air Conditioning Covers |
| A C Zincs – Corrosion Grenades |
| Acudor Products, Inc. – Access Doors |
| Advanced Distributor Products – Gas Unit Heaters & Air Conditioning Coils |
| Air Products and Controls Inc. – Duct Smoke Detectors |
| Aire Technologies, Inc. – Fire Dampers |
| AirGas – Refrigerants & MC, B, and Nitrogen Tanks |
| Airtec Products – Plastic Ceiling Diffuser & EZ Trap |
| American Metal Products Group – Registers, Grilles & Diffusers |
| Argo Controls – Switching Relays & Accessories |
| Artis Metals Co.Inc. – Roof & Wall Caps, Roof Flashings & Collars |
| Bell and Gossett – Circulator Pumps & Accessories |
| Berger Brothers – Gutter, Leader & Accessories |
| Boss Products – Silicone, Firestop & Expanding Foam |
| Bramec Corp. – HVAC Accessories |
| Broan, LLC. – Bath & Ventilation Fans & Roof Caps |
| Builders Best, Inc. – Metalflex & Venting Products |
| C & S Manufacturing – Basset Products & Nail Plates |
| CertainTeed – Duct Liner & Duct Insulation |
| CMC Howell Metal – Refrigeration Line Sets & Copper Rolls |
| Chim Cap Corp. – Chimney Caps |
| Clenair Manufacturing, Inc. – Odor Neutralizer & HVAC Products |
| Control Products – Freeze Alarms & Water Alarms |
| Cooper B-Line Inc. – Strut, Angle, Nuts, Washers, Etc. |
| Covalence Adhesives – Polyken Duct Tapes |
| CoverGuard – Line Set Covers |
| Dayus Register & Grille, Inc. – Registers, Grilles & Diffusers |
| Deflecto Corp. – Air Distribution Products |
| Diversitech Corp. – Air Conditioning Pads & H.V.A.C. Accessories |
| Duro-Dyne Corp. – Sheet Metal Accessories & Wiss Snips |
| Dust Free Inc. – Permanent Electrostatic Filters |
| E.W.C. Controls – Zone Dampers & Steam Humidifier |
| Eagle-Morlin Mfg. Inc. – Pittsburgh, LockHammer & Sheet Metal Machinery |
| Ecobee – WiFi-Internet Enabled Smart Thermostat |
| Empire Ventilation Equipment – Turbine Vents, Bases & Aluminum Louvers |
| Enerco Technical Produts – Gas Fired Infrared Heating Equipment & Heatstar |
| Energy Savings Products – Hi-Velocity Systems |
| Fan Tech – Inline Exhaust Fans & HRV Units |
| Field Controls – Draft Controls & Power Ventors |
| Flexible Technologies – Flexible Duct |
| General Filers, Inc. – Air Filtration Products & Humidifier Pads |
| Gray Metal Products, Inc. – Prefabricated Pipe, Duct & Fittings |
| Gree – Mini Split Systems. Single Zone and Multi Zone |
| Hart & Cooley – Registers, Grilles, Diffusers, Insulated & Uninsulated Flex, Gas Vent & All Fuel Pipe |
| Heil Heating & Cooling Products – Furnaces, Air Conditioning & Commercial Units |
| Hexagon Electric – Electric Soldering Irons |
| Hilmor Tools – HVAC-R Tools |
| Honeywell Inc. – Thermostats, Air Cleaners, Stat Wire, Humidifiers & Controls |
| HVAC SuperPro – Copper, Aluminum & Brass Bonding |
| Ideal-Parker – Clamps |
| J.T. Products – Zip-Ez Non Metallic Duct Wrap & Flex Fastener |
| Karnack Corp. – Roof Cements & Coatings |
| Kett Tool Co. – Electric Metal Shears |
| Kirk & Blum Mfg. Co. – Industrial Sheet Metal Componets |
| Klenk Ind. Inc. – Sheet Metal Tools |
| Lenox Saw Blades – Sawblades & Hole Saws |
| Little Giant Pump Co. – Condensate Pumps & Sump Pumps |
| Lloyd Ind.– Fire Dampers & Access Doors |
| Lochinvar – Boilers & Indirect Tanks |
| Majestic Steel USA,Inc. – Sheet Steel |
| Malco – Sheet Metal Tools, Screws |
| Mars Motors & Armatures – Motors & HVAC Parts |
| Maze Nails Inc. – Roofing Nails |
| McDonnell & Miller – Low Water Cutoff & Boiler Controls |
| Metal-Fab, Inc. – Registers, Grilles, Diffusers & Fire Dampers |
| Metals USA – Aluminum Sheets |
| Mez Industries – HVAC Duct System Connector Components |
| Midwest Snips – Snips & Sheet Metal Tools |
| Mill-Rose Company – Clean Fit Products |
| Mueller Streamline Co. – Line Sets, HVAC Copper & PVC Fittings |
| NAVAC, Inc. – HVAC-R Tools |
| NDL, Inc. – Copper, Gas, Refrigeration & Propress Fittings |
| Noritz – Tankless Water Heaters & Combination Boilers |
| Nu-Calgon Wholesaler, Inc. – HVAC Chemical Products |
| Plenums Inc. – Custom Curb Adapters |
| Polymer Adhesives Inc. – Duct Adhesives, Sealers & Silicone |
| Purolator Air Filters (Division of Clarcor Co.) – Air Filtration Products |
| Rectorseal – Airtech Diffusors, EZ Traps, NoVent Caps, Safe-T-Switch & Goliath Pans |
| RGF Enviromental Group – Air Purifier & Air Treatment |
| Reflectix Inc. – Insulation (Bubble Wrap) |
| Ritchie Engineering Co. – Yellow Jacket HVAC-R Tools |
| Roper-Whitney – Sheet Metal Machinery & Tools |
| Southwark Metal Mfg. Co. – Prefabricated Pipe, Duct & Fittings |
| Supco – Replacement Parts for HVAC & Test Products |
| Tempstar Heating & Cooling Products – Furnaces, Air Conditioning & Commercial Units |
| Tennsmith – Sheet Metal Machinery |
| Thermo Manufacturing Inc. – Thermopan Panning |
| Trion Inc. – Air Cleaners |
| TurboTorch – Acetylene Kits, Torch Tips & Components |
| UEI Test Equipment – Multimeters, Detectors, Testers, Etc. |
| Unimet Metal Supply, Inc. – Aluminum & Copper Sheets |
| United Pipe and Steel Corp. – PVC, Copper & Black Pipe |
| Ultravation – Indoor Air Cleaners & Air Purifiers |
| Utility Enterprises Co. – Furnace & Patching Cement |
| Ventamatic Corp. – Power & Solar Attic Fans |
| Webstone Company – Isolators, Valves, Air Separators, Flow Control, Propress Valves, Hydrocore Manifold & Near Boiler Piping Kits. |
| Wolverine Joining Technologies – Solders, Brazing alloys, Flux, Etc. |
| Z-Flex (Novaflex) – Aluminum & Stainless Chimney Liners |
