Watsco Inc. is the distributor of air conditioning, heating and refrigeration equipment and related parts and supplies (HVAC/R) in the HVAC/R distribution industry. Watsco’s goal is to build a network of locations that provide the finest service and product availability for HVAC/R contractors, assisting and supporting them as they serve homeowners and businesses.

Watts Water Technologies is a pioneer provider of quality water solutions for residential, industrial, municipal, and commercial settings. Their family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions focused on: Plumbing & Flow Control, Water Quality & Conditioning, Water Reuse & Drainage, HVAC and much more.

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.

Western Allied Mechanical has been a pioneer in the construction industry for 50+ years as a mechanical contractor that specializes in design/build for bio-tech, high tech; retrofit and replacement; LEED and Green projects; and HVAC service and maintenance.

Wholesale Heating Supply Co. are US-based renowned distributors of quality heating and cooling products. They are specialists in furnaces, air conditioners and hot water heaters, sheet metal and filters.

Winsupply Inc. is a supplier of residential and commercial construction and industrial supplies and equipment headquartered in Dayton, Ohio. They conduct business-to-business wholesale distribution of supplies and equipment in plumbing and heating; hydronics; pipe, valves and fittings; HVAC and refrigeration;

WM Buffington Co. is a family-owned business that has been providing quality heating and cooling services to the Central Pennsylvania area since 1952. For 66 years, their team of experts have dedicated themselves to providing fast, professional work with superior customer service.

Wolfe Innovations prides itself in being the best overall in HVAC customer service, low competitive prices, and trustworthiness.

Xtralis provides advanced fire detection for refrigerated storage. Xtralis is the global provider of powerful solutions for the very early & reliable detection of smoke, fire, and gas threats. They protect highly-valued and irreplaceable assets and infrastructure belonging to the world’s top governments and businesses.

Yandle-Witherspoon Supply, Inc. strives to offer impeccable customer service while developing long lasting relationships through business partnerships formed with the HVAC contractor. Providing quality product, a vast array of value added services, education, training, friendly employees and competitive prices allows Yandle-Witherspoon Supply, Inc. to be a major force in the HVAC industry in North and South Carolina.

Yunker Plastics, Inc. is a fabricator and distributor of reinforced HDPE, Firestone EPDM Geomembrane, and AquaWeve materials used in Lake and Pond lining installations. We also fabricate flexible air distribution tubing for commercial, industrial and agricultural applications.

Zimmer's Heating & Cooling business has expanded to include residential, retail, and commercial heating and cooling.

ZONEFIRST is the first company that successfully developed and marketed HVAC Zoning Systems back in the 1950's and is today a renowned manufacturer of HVAC zone dampers and zoning systems. They provide zone control systems, automatic dampers, registers and diffusers for fresh air intake, economizers and ventilation control.

Accurate Plumbing is a family owned company established 1990. Accurate Plumbing Company is there when users want them.

ACL repairs all makes and models of air conditioning units in London, from small residential-sized to big-scale industrial-sized. There is nothing that they do not know about Air conditioning systems.

AfinityMS deals with all kinds of Residential & Commercial Maintenance Services of Air-Conditioning, Plumbing, Electrical, Handyman, Miscellaneous, Water Tank Cleaning, CCTV, Home Cleaning, Carpet Cleaning, Mattress Cleaning, and other Technical Services. They are committed to ensuring the safety of clients and have a well-established technology-based solution to track their technician’s allocation and keep all records of their work with time.

Agronomic IQ sets the HVAC standard for commercial growers by taking advantage of an all-in-one system to deliver the most precise temperature and humidity control in the industry, with exceptional energy efficiency.

AREA is the European organization of air-conditioning, refrigeration, and heat pump (RACHP) contractors. Established in 1988, AREA voices the interests of 26 national members from 22 European countries, representing more than 9,000 companies across Europe (mainly small to medium-sized enterprises), employing some 125,000 people and with an annual turnover approaching € 20 billion.

Air Industrie Thermique España, S.L. (AITESA) is an engineering company, which operates in the field of heat recovery systems (HRS) normally for refineries, chemical and petrochemical industries. They can facilitate implementation process in all phases of the project from basic to turnkey engineering.

From humble beginnings in 2000, Air Wise Inc. has grown into Manitoba’s go-to HVAC and refrigeration solutions and service provider. Starting in Stonewall with three service vans providing commercial service and installation, Air Wise Inc. has built a strong reputation for exemplary customer service and professional, reliable work.

AirGreen is a family-owned HVAC business rooted in the heart of Montreal. For years, they've built a reputation on trust, expertise, and unwavering dedication to their clients. They pride themselves on offering top-tier heating, ventilation, and air conditioning solutions tailored to the unique needs of each customer. Beyond technical skills, their team is committed to ensuring their home or business stays comfortable year-round.

AirTest Technologies Inc. is a rapidly-growing Green Technology company that specializes in sensors that significantly improve commercial building operating efficiency. AirTest's leading-edge, proprietary sensor technologies improve the energy performance, environmental impact and return on investment for the millions of commercial and residential buildings.

Alif Perfect Service is the provider of AC repair, installation, and gas filling services in Noida, UP, India. With doorstep service, they cater to both residential and commercial clients.

AMWEI Thermistor Sensor design and manufacture PTC & NTC thermistors (THERMally sensitive resistors), thermistor temperature sensors probe. AMWEI started Thermistors business back in 1999, thorough successive hard work of a group of specialists in ceramic sensitive material, welding technology, packaging technology. They own core know-how in powder formula and key production technics.

Aqua International are one of the major companies in Designing Engineering and Manufacturing of Drinking Water Coolers, Water Vending Machine (Water ATM), Deep Freezer, Cold Room, Industrial & Commercial Reverse Osmosis (RO-UV-UF) Plants, Touchless Hand Sanitizer Machine, Sanitary Napkin Vending Machine, Sanitary Napkin Disposal Incinerator and Sanitary Napkin Pads, based in Delhi-NCR, Faridabad, Haryana, India.

Aramco Engineering is a major MEP systems company based in Mumbai, India, specializing in comprehensive services that include the supply, installation, repair, and maintenance of a wide range of ventilation and air-conditioning systems for residential, commercial, and industrial sectors. With a customer-centric approach, they prioritize timely preventive maintenance to minimize downtime and ensure total satisfaction for their clients.

ASSOCIATED COOLING SERVICES LTD specialize in the installation, maintenance and repair of commercial air conditioning systems and Heat Pump, Ventilation and Air Conditioning (HVAC) systems in and around the city of London.

Beretta confirms its growing trend in the residential heating and faces new challenges with the same enthusiasm and the same commitment of the beginnings. Because the excellence in the products and in the supplied services remain Beretta’s key values.

Biochemica Water is the largest independently owned water treatment company, providing water and wastewater treatment services for a wide range of industries. A well-trusted water treatment expert, Biochemica Water has a superior technical understanding of the important role safe, clean and protected water plays in processes across all industries.

Breezair is a trusted name in direct evaporative cooling and is renowned for its high-performing, world-class coolers that deliver exceptional efficiency and unmatched performance. They offer a comprehensive range of genuine replacement parts and service expertise to keep systems operating efficiently.