AC Supply Company is a family-owned Tarrant County-based HVAC distributor. It only sells to licensed HVAC professionals. With four locations, six delivery trucks, and an outside sales force, AC Supply is the premier distributor for Fort Worth and the surrounding communities.

H.D. Grant Co., Inc. represents many of the best manufacturing lines in the HVAC industry. They supply and distribute exhaust fans, fire dampers, radiation dampers, single duct VAV boxes, fan powered VAV boxes with electric heat, Vibration Isolation, and many other products for the HVAC industry.

Polytronix, Inc., a U.S. based company located in Richardson, Texas, has been an innovator in design, manufacturing and marketing of liquid crystal displays for over 40 years. They displays are used in a variety of applications, providing visual output for medical, aviation, aerospace, marine, automotive, industrial controls and defence related products.

Sager Electronics is a North American distributor of Interconnect, Power and Electromechanical components from leading manufacturers worldwide and a provider of value-add solutions. They provide a wide range of services, including electronics, distribution, power, thermal, interconnect, sensors, switches, relays, filters, motors, value add, electromechanical, circuit breakers, modular power, configurable, battery, and batteries.

Established in 1975, Temperature Control Systems is a full line stocking distributor of commercial/industrial HVAC controls, burner/boiler controls and building automation systems.