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.

As a family-owned and operated Greater Houston HVAC Company, Go Admiral serves Spring, The Woodlands, Houston, Katy, and beyond with residential and light commercial heating, AC repair, venting, duct design, and air purification.

RectorSeal is a manufacturer of specialty chemical sealants. They have developed a robust line of chemical, mechanical and firestopping products. These products are distributed through an extensive wholesale distribution network serving the plumbing, industrial, HVAC-Refrigeration, construction, electrical, and hardware market places.