Founded in 1946, Century Heating and Cooling Products, A MARS Co. is a family-owned and operated supplier of quality motors, components, service/installation parts, and equipment for the HVAC/R industry. The company’s Equipment Division offers residential and commercial heating, cooling, and dehumidification equipment under the Comfort-Aire and Century brand names in the United States and under the Comfort-Aire by Aitons brand name in Canada. The

ComStar International Inc. is the world's most comprehensive manufacturer of environmentally safe, industrial strength chemical products. They deal with refrigeration and air conditioning R22 Replacement Refrigerants coil cleaners, conditioners and maintenance chemical products, heating and plumbing chemical products, water treatment and odor control.

Custom Filters Direct is a reputable manufacturer and supplier of high-quality, custom-made filters catering to various industries. With years of experience in the field, they offer a comprehensive service from design to delivery. Based in New York City, Custom Filters Direct serves the entire USA, and they have one of the country’s largest selections of air filters ready for delivery.

Hudson is a provider of Refrigerants, Onsite Refrigerant Services and Refrigerant Reclaim, improving the performance of HVACR systems, saving energy, restoring capacity, and extending equipment life.

Layton Manufacturing Corporation is a renowned provider of Computer room A/C units, school room Class AIRE units (VUV's) environmental controls, humidification, industrial and commercial HVAC products in the New York State of USA.

Mike Mulligan Refrigerants provides HVAC Contractors with customizable R-22 Refrigerant Buyback Programs and Direct Refrigerant Sales.

Royce Industrial Compressor provides Industrial hermetic, semi-hermetic, open drive compressors and compressor units from 1 to 150 h.p.

Spinco Metal Products, Inc. headquartered in Newark, is a pioneer in custom tubular components, machined parts, and subassemblies. They manufacture many types of fittings including brass, copper, aluminum, steel and stainless.

Vicon is a globally renowned company in the field of plasma cutting machines, coil lines, and HVAC ductwork machinery. Every Vicon plasma cutting table and machine shipped by Plasma Automation and Vicon Machinery is backed by professionals with over 40 years in the machine tool industry. They also manufacture coil line systems, roll forming equipment, seam closers, duct brakes, and other HVAC machinery.

WDF Inc. (founded in 1929) is one of the plumbing, HVAC contracting and specialty general contracting companies. They have joined with Five Star Electric Corporation and Nagelbush Mechanical to form GreenStar Services Corporation as a diversified full service construction company.