| MANUFACTURER NAME | PRODUCTS |
| TITUS | * Grilles, Registers and Diffusers * Terminal Units * Fan Coil Units |
| LINDAB | * Spiral Duct & Fittings |
| TWIN CITY FAN & BLOWER | * Exhuast and Supply Fans * Blowers and Venitators * Gravity Vents |
| RUSKIN | * Control & Backdraft Dampers * Fire, Smoke and Fire/Smoke Dampers * Louvers * Duct Access Doors |
| RUSKIN SOUND CONTROL | * Sound Attenuators |
| MONOXIVENT | * Dust, Vehicle & Fume Collection Equipment |
| UNDERDUCT | * Underground FRP Duct |
| CORROSIONCOMPOSITES | * Tanks, Stacks, Scrubbers, Duct, |
| SEMCO | * Sound Panels |
| GREASEMASTER | * Hoods, Make-Up Air Units, Electrical Controls/Fire Systems |
| SUPERIOR RADIANT PRODUCTS | * Gas Fired Infrared Space Heating Equipment |
| PATTERSON FAN | * Turbo Power Tube, Turbo Fans |
| KE FIBERTEC | * Fabric Duct Systems |
| METROPOLITAN AIR TECHNOLOGY | * Roto-Twist Cable Operated Damper Systems |
| ADVANCED CABLE TIES | * Duct Straps |
| VAW SYSTEMS | * Sound Attenuators, Accoustical Plenums, Built Up Air Handlers |
| CREATIVE METALS | * Roof Curbs, Equipment Rails, Pipe Curbs Adapters |
| DAYUS | * Grilles and Registers - Plastic - Aluminum |
| THERMAFLEX | * Flex Duct & Accessories |
| THERMAL CORE | * Low Temperature Diffusers |
| GRIPPLE | * Cable Support for Duct, Ceiling Diffusers & Equipment |
| HART & COOLEY | * Baseboard Grilles * Grilles, Registers and Diffusers |
| PATE COMPANY | * Roof Curbs |
| INTERTAPE POLYMER GR | * Duct Tape |
| KEES | * Security Bars * Kitchen Hoods, Make Up Air Units |
| LC SYSTEMS | * Kitchen Hoods * Make Up Air Units |
| VENT-A-KILN | * Kiln Ventilation Systems |
| VAN-PACKER COMPANY | * Chimney & Breeching Products |
| MARKING SERVICES | * Duct, Pipe and Equipment Markers * Valve Tags * Equipment Name Plates * Signs |
| MARS | * Air Doors & Curtains |
| MILCOR | * Access Doors * Heat/Smoke Vents * Hatches |
| MULTIFAN | * Fans & Controls - Industrial -Agricultural - Specialized |
| NORBFAB | * Quick Fit Clamp Duct System |
| PLASTEC | * Polypropylene Fans and Accessories |
| PLASTIC AIR | * FRP and Polypropylene Fans |
| QMARK | * Electric Heaters, Fans & Air Circulators |
| RELIABLE | * Grilles, Registers and Diffusers, Louvers |
| ROOF PRODUCTS & SYSTEMS |
* Roof Curbs, Equipment Rails, Pipe Portals |
| SEIHO | * Spot Diffusers * Round Registers * Vents |
| SHEET METAL CONNECTORS | * Spin-in Collars * EZ Taps |
| SUNVENT | * Brick Vents |
| THERMOLEC | * Electric Duct Heaters, SCR Control |
| TUTCO | * Electric Duct Heaters |
| VIBRATION ELIMINATOR | * Vibration & Seismic Isolation Systems |
| FANTECH | * Orifice Damper * Fans |