Established in February 2001, Voltex continues to achieve rapid, consistent growth by focusing on compliance, high performance and reliability, with an unflinching commitment to looking after electrical contractors, the guys that do the work. They are a 'manufacturer to end-user' company, controlling everything from design right through to using only direct distribution from Voltex's own warehouses to account-holding licensed electricians.

W H Riley & Son provides their customers with all their heating and cooling needs. They provide installation & service for heating & cooling systems-boilers, furnaces, central & split system air conditioners, water heaters, generators, pool heaters and much more.

Wabash has worked hand in hand for over 30 years with the largest HVAC OEMs in the world to help develop and bring complex plastic assemblies to a reality. They have molded and balanced millions of HVAC fans over the years. Their fans and blowers run more smoothly with less vibration than the competition’s.

Warren Technology has provided electric heating equipment for more than 60 years. Warren offers custom duct and standard unitary slip-in heaters to meet electric heating specification and design requirements. Incorporated in 1957 as a manufacturer of electric heaters, Warren Technology has assumed a role within the HVAC industry, designing, developing, and manufacturing a broad spectrum of precision heating.

Waterloo Filtration Institute (WFI) is dedicated to developing advanced filtration and separation solutions for a clean and sustainable world. They have over 40 years of extensive experience in the field and aim to serve the industry with the most comprehensive Education Program for Filtration & Separation Specialist Certification, Filter Product Certification, and Research & Development.

WaterSurplus delivers sustainable water treatment solutions across industries and around the world. This includes engineering and design services, custom turn-key equipment solutions, NSF/ANSI 61 certified media filtration systems. WaterSurplus creates and maintains the marketplace for buyers and sellers to create value by redeploying surplus water treatment equipment.

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.

For affordable residential and commercial HVAC expertise, Webb Air is the smart choice in the Fort Worth Metroplex. They set themselves above the rest through unequaled quality.

Wells HVAC Supply is an importer and distributor of a broad line of heating products used primarily in home improvement.

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.

At Winston Water Cooler, they combine years of expertise and experience with in-depth and detailed knowledge of all the wholesale plumbing supply needs. Each of their 16 independent branches has vast, diverse inventories of quality plumbing, HVAC, and piping parts.

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.

Women in HVACR was organized exclusively for educational purposes to further the growth of women in all areas of the HVACR industry, including technical, sales, management and ownership. Women in HVACR holds it's annual conference in conjuntion with Comfortech each year.

At Woodward Heating, their highly skilled technicians are committed to providing users with the highest quality of care possible. This includes discussing with users all their available options and helping them come to a well-informed decision.

Wright Sales is a premier manufacturer's sales agency for the HVAC/R industry in California, Arizona, Nevada, New Mexico, El Paso, TX and Hawaii.

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.

Yaskawa America, Inc. - Drives & Motion Division manufactures industrial control and automation products. It offers industrial AC drives, commercial HVAC drives, spindle drives, and motors, servo systems and motion controllers, medium voltage switches, breakers, contactors, and low voltage industrial control products.

ellow Transports was created in 2009. The company is part of the ACMG Finance group. The quality of the service of this young company is beyond doubt. Listening to its customers and employees makes Yellow Transports the company of tomorrow.

YORK Heating designs, develops, and deploys customized solutions for a range of processing industries. In addition, they also provide refrigeration components on an OEM basis to packagers and systems integrators. Their featured products include packaged systems, compressors, and control panels that keep natural gas moving through pipelines and industrial process equipment working smoothly.

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.

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.

Easy to install and operate zoning, VVT and VAV systems accessed remotely over the internet or on-site from a smart phone, tablet or computer. Zonex manufactures a system for every building and every budget from a 2 zone residential system to auto-changeover bypass VAV products to support up to 400 units. Product line includes, modulating dampers and D-Fusers with a complete line of wireless thermostats along with fresh air dampers and a humidity mitigation system to meet ASHRAE 62.2.

Zoro makes it quick and easy for all industries, professions and trades to get the tools and equipment they need. Zoro's extensive range of over 310,000 products includes everything from power tools and chemicals to personal protective equipment, from all the leading brands.