AAON Packaged Rooftop HVAC Units (2 - 230 tons) Split Systems (2 - 30 tons) 100% Outside Air DX Unit Modular Air Handling Units Energy Recovery Units Coils Packaged Chillers	ARMSTRONG Complete line of humidifiers and accessories Electric element type (with ionic heat) Steam separator type, electric or pneumatic Duct mounted type and Fan Integral type Electric self-generating type  Steam to steam type Gas fired humidifiers Heavy duty coils and tank Heaters	BLC INDUSTRIES, INC  Filter Media Housings Automatic Roll Type High Efficiency HEPA Housings Bag, Cartridge, Paint Arrestor,  Washable, Grease, Ink, and Lint
CHICAGO BLOWER CORPORATION Vane Axial Fans Panel Fans DWDI Fans Plenum Fans SWSI  Fans FRP Fans	HAAKON INDUSTRIES Custom Air Handling Units for Hospital, Clean Room, and Pharmaceutical Applications Rotary Heat Wheel & Desiccant Wheel Dehumidification Units Commercial and Industrial Coils	CONCEPTS AND DESIGNS, INC. Direct-fired Heating and Ventilating Units Air Turnover Units Indirect fired Heating and Makeup Air Ventilating Units Evaporative Cooling Units Custom Air Handling Units and Heat Recovery Units Desiccant Dehumidifiers
CONTAMINATION TECHNOLOGY CORPORATION Bag in/Bag out Isolation Housings Gas Phase Absorbers Skid Mounted Filtration Systems with Blowers Specialty Low Flow Rate Housings	EBTRON Electronic Air Flow and Temperature  Measurement Stations for  Fan Inlets and Ducted Systems IAQ Sensors for Direct Measurement of Outside Air	LUWA HVAC FILTERS Drum Filters, Cyclones, Bag Filters, Blast Gates Industrial Replacement Filters and Media Industrial Filter Frames Removal Systems for Oil, Ink, Tobacco, Grain, Lint, Saw Dust
M & I SYSTEMS ENGINEERING Aero-Acoustical Compact Air Handlers (up to 300,000 CFM) High Capacity (5,000 - 80,000 CFM) Under Floor Computer Room Units Acoustical Fan Silencers Industrial Positive Seal Dampers Venturi Air Valves Induction Air Units	MAGIC AIRE Fan Coil Units Air Handling Units Coils	POOLPAK, INC. Natatorium Dehumidification and Energy Recovery Units Conventional and Industrial Dehumidifiers
SAFTRONICS, INC. Variable Speed Drives 1-1000 Hp Solid State Reduced Voltage Soft Start Motor Starters	SEIBU GIKEN COMPANY Energy Recovery wheels and cassettes Sensible and total energy recovery Unit sizes: 1,000 to 50,000 CFM capacity	TECHNICAL SYSTEMS 1.5 to 500 Tons Reciprocating, Rotary Screw, and Scroll Process and Comfort Water Chillers Packaged Air Cooled, Remote Condenser and Split Air Cooled from 2 - 400 tons Water Cooled and Evaporative Condensing Chillers  Chiller Mounted Tanks and Pumps  Fluid Coolers and Condensers Condensing Units up to 250 tons Chilled Water, Steam, and Hot Water Coils
TECOGEN TecoChill Gas Engine Driven Chillers Caterpillar and Waukesha Engines Air Cooled from 50 to 225 tons Water Cooled from 125 - 1000 tons TecoFrost Refigeration for Ammonia, HCFC - 22	THERMOLEC Complete Line of Commercial and Industrial Electric Heaters Open Wire and Sheathed Type for Duct Mounting and Mounting in Air Units	XETEX Air-to-Air Heat Exchangers and  Heat Recovery Air Units Rotary Wheel Heat Exchangers