Heating, Ventilating, and Air Conditioning Manufacturers

• Atlas Sales & Rentals, Inc.  - Specialized in the rental and sale of portable air conditioners, heating equipment and dehumidifiers.
• The Birdwell Company  - Providing pressurization units, pressurizing units, explosion proof fans, ventilation fans and other equipment for hazardous locations in petrochemical, refining, pulp, paper, and offshore industries.
• Custom Controls Company  - Manufactures Division 2 hazardous duty and Division 1 explosion proof HVAC units.
• DWD International, LLC  - Providing specialized air conditioning, heating, ventilating, and pressurization systems.
• HP Products Corp.  - A wholesale distribution company of heating, air conditioning, and refrigeration products.
• Kooltronic, Inc.  - Specializing in the design and production of forced ventilation and closed-loop cooling for various types of enclosures.
• Limco Airepair, Inc.  - Specializes in highly efficient plate-fin and tube type, heat exchangers, oil coolers, condensers, fuel heaters, precoolers, complete environmental control systems, cold plates, and cooling system for electronics.
• McLean Midwest Corporation  - Manufactures industrial air conditioners for electronics cabinet and enclosure cooling.
• Rittal Corporation  - Manufacturer of industrial enclosures, server cabinets, power distribution systems, rack mounted subracks, and climate control products.
• Scientific Systems Corporation  - Manufactures industrial HVAC/R products for hazardous location explosion proof air conditioners, pressurization, filtration and severe service applications.
• Specific Systems, LTD.  - Building special purpose environmental air-conditioning, heating, ventilating and pressurization systems.
• Subcooled Air  - Manufactures heavy-duty, portable, commercial and industrial air conditioning and dehumidifier packages.
• Tisdale Company, Inc.  - Designs and builds air conditioning and refrigeration equipment, covering a range of applications from comfort air conditioning to environmental systems for operation of sophisticated controls and equipment.
• TOPP Portable Air  - Source for portable air conditioners, temporary heaters, construction heaters, environmental control units and dehumidification products.
• United CoolAir Corporation  - Provider of air conditioning systems for the commercial building industry.