| A/C Covers – Air Conditioning Covers |
| A C Zincs – Corrosion Grenades |
| Acudor Products, Inc. – Access Doors |
| Bell and Gossett – Circulator Pumps & Accessories |
| Berger Brothers – Gutter, Leader & Accessories |
| Boss Products – Silicone, Firestop & Expanding Foam |
| Bramec Corp. – HVAC Accessories |
| C & S Manufacturing – Basset Products & Nail Plates |
| CertainTeed – Duct Liner & Duct Insulation |
| CMC Howell Metal – Refrigeration Line Sets & Copper Rolls |
| Clenair Manufacturing, Inc. – Odor Neutralizer & HVAC Products |
| Cooper B-Line Inc. – Strut, Angle, Nuts, Washers, Etc. |
| Covalence Adhesives – Polyken Duct Tapes |
| CoverGuard – Line Set Covers |
| Diversitech Corp. – Air Conditioning Pads & H.V.A.C. Accessories |
| Energy Savings Products – Hi-Velocity Systems |
| 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 |
| Little Giant Pump Co. – Condensate Pumps & Sump Pumps |
| Mars Motors & Armatures – Motors & HVAC Parts |
| Maze Nails Inc. – Roofing Nails |
| McDonnell & Miller – Low Water Cutoff & Boiler Controls |
| Mill-Rose Company – Clean Fit Products |
| Mueller Streamline Co. – Line Sets, HVAC Copper & PVC Fittings |
| NDL, Inc. – Copper, Gas, Refrigeration & Propress Fittings |
| Nu-Calgon Wholesaler, Inc. – HVAC Chemical Products |
| Polyken – Duct Tape |
| Polymer Adhesives Inc. – Duct Adhesives, Sealers & Silicone |
| Rectorseal – Airtech Diffusors, EZ Traps, NoVent Caps, Safe-T-Switch & Goliath Pans |
| Supco – Replacement Parts for HVAC & Test Products |
| TurboTorch – Acetylene Kits, Torch Tips & Components |
| UEI Test Equipment – Multimeters, Detectors, Testers, Etc. |
| United Pipe and Steel Corp. – PVC, Copper & Black Pipe |
| Utility Enterprises Co. – Furnace & Patching Cement |
| Webstone Company – Isolators, Valves, Air Separators, Flow Control, Propress Valves, Hydrocore Manifold & Near Boiler Piping Kits. |
| Wolverine Joining Technologies – Solders, Brazing alloys, Flux, Etc. |
