Armstrong Duct & Vent is one of the largest commercial air duct, exhaust duct, dryer vent, and chimney cleaning companies in New England. Armstrong Hearth & Home provides a range of products and services that can add ambience, warmth, and comfort to the home.

Artus is a revolutionary heating and air conditioning product. A perfect solution for all applications including residential, commercial and high-precision environments. It is a fully-packaged unit offering significant advantages over fan coil and chilled beam systems.

Manufacturer of pressure gauges, low pressure DP static and velocity transmitters, switches, handheld calibrators and temperature indicators.

ASPEQ Heating Group is the strategic accumulation of high quality electric heater manufacturers for the Industrial, Commercial and Military/Marine industries. ASPEQ provides tailored solutions for industrial and commercial electric heating markets primarily in North America. They continually strive to enhance the growth of their customers and the value they add to their customers.

AtmosZero is reimagining the boiler room for a decarbonized future. The electrified Boiler 2.0 has drop-in applicability across industry, the built environment, and wherever steam is used.

Avery Heating & Cooling is a one-stop shop that provides impeccable heating and air conditioning services for both residential and commercial customers.

Baltimore Aircoil Company (BAC) creates cutting-edge cooling equipment for the HVAC, Industrial, and Refrigeration marketplaces. It leverages the power of evaporative cooling by optimizing the balance of water and energy. BAC's product offerings include cooling towers, closed-circuit cooling towers, hybrid products, evaporative condensers, and ice thermal storage systems.

Beacon is a provider of commercial and residential roofing, siding, windows, decking, insulation, specialty lumber, waterproofing, and air barrier systems to the North American building industry.

Since 1988 Best Choice Supply Company has provided quality material with extraordinary customer service to the area's BEST comfort solution providers.

Birch Hearth & Home Center is the one stop shop that provides heating and cooling sales and service to the Tri-State area of Lowa, Illinois and Wisconsin. They offer years of experience in installation and service of the furnace and air conditioning needs.

In March 2003, when Blue Air started in the foodservice equipment industry, it opened with a couple lines of refrigeration equipment and a few employees in a very small office and warehouse space. Ever since these humble beginnings, Blue Air has grown steadily each year by constantly adding new products and new customers. It has now become one of the major suppliers in the industry with multiple distribution warehouses and sales offices.

Blue Star Heating and Air is a globally renowned air conditioning and commercial refrigeration company with over seven decades of experience in providing expert cooling solutions. It fulfills the cooling requirements of a large number of corporate, commercial as well as residential customers, as well as offers products such as water purifiers, air purifiers and air coolers.

BP Porter Inc. provides Heat pump, dual fuel control and outdoor thermostat.

Braeburn is the value alternative for electronic non-programmable and programmable thermostats, humidification, air filtration and zoning products for residential and light commercial applications.

Bramec provides condenser bases, heat pump stands, plastic tubing, plastic pipe and fittings, traps, gas line test gauges, sealing compounds, insulation materials, electrical items, brushes, anti-vibration pads, secondary condensate drain pans.

Brothers Supply Corp. provides HVAC Equipment, Water Source Heat Pumps, Package Terminal Air Conditioners, Fan Coils, Split Systems, Packaged Units, components and accessories.

Building Automation Products is the manufacturer of sensors and transmitters for HVAC - temperature, humidity, pressure, air quality, wireless and related accessories.

CALMAC manufactures thermal energy storage for more environmentally friendly, low cost cooling as well as skating floors for ice rinks around the world. The company specializes in ice storage and has a long history of commitment to innovative energy saving solutions including patents for over 200 products.

CAREL is a globally renowned control solutions provider for air-conditioning, refrigeration and heating, and cooling systems. Their products are designed to bring energy savings and reduce the environmental impact of machinery and systems. Their solutions are used in commercial, industrial and residential applications.

Carrier Corp. is a global residential product innovations and solutions firm. Their inventory includes advanced communicating controls and thermostats, high-efficiency split system air conditioners and heat pumps, ductless split systems, gas and oil furnaces, boilers, fan and evaporator coils, geothermal systems, zoning systems, a complete line of indoor air quality products and small packaged products.

CCK is a manufacturing company specializing in the production of ventilation equipment, air handling units, fans, heat exchangers, smoke extraction systems, fire dampers, ventilation accessories.

Champion Heating & Air Conditioning delivers unrivaled reliability and energy efficiency heating and air conditioning products for residential and commercial use.

Chatham Brass is a family owned and operated plumbing and electrical manufacturer located in central New Jersey, USA. They provide the plumbing and electrical industries with quality products such as pipe cable, electrical heating, silicone sealants, thermostats and controls, guards along with extensive inventory and exceptional customer care.

Chromalox is a thermal technology company. They engineer thermal solutions for the world's toughest industrial heating applications. Their Heat Trace segment delivers temperature management solutions for piping systems, valves, and tanks.

Clean Air Filter, Co. was established in 1990 to offer farmers a solution to their dusty chemical environment.

ClimaCool designs and manufactures modular chiller systems configurable to meet client’s requirements. Their modular chillers are ideally suited for all commercial systems including heat recovery and heat pumps, free cooling, geo exchange central plants and variable flow systems.

Climate Control Company has been a licensed contractor for heating, air conditioning and plumbing committed to delivering professional service, repair, maintenance and installation expertise to the home and business owners of Aspen and Vail and the surrounding area of the Western Slope.

The Climate Control Group (CCG) is a diverse collection of HVAC products and solutions for a variety of applications and markets. They design and manufacture products for multiple applications, where the comfort and efficiency of climate-controlled spaces are required.

Electronic programmable and mechanical thermostats for HVAC.

Climatec has been making buildings safer, more comfortable and efficient for over 40 years. They provide Building Automation, Enterprise Energy Management, Energy Services, Security Solutions, Life Safety, HVAC Solutions, and Service.