In 1984, Vertical Market Software (VMS) opened its doors to provide an integrated accounting and job costing system to general contractors throughout the country. VMS provides service, construction, and accounting software to software to contractors nationwide. They also offer a complete enterprise solution for efficient business management and optimization.

Founded in 1975, Vibration Isolation has over 30 years experience in the design and manufacture of reliable, quality products engineered for cost-effective control of vibration, shock and noise. Their products include a complete line of open and housed spring mountings, spring and neoprene hangers, and neoprene mounts and pads. Structural bases and rails, inertia base pouring forms, and seismic mounts and restraints.

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.

Vilandre Heating, Air Conditioning & Plumbing has been providing dependable, reliable and guaranteed service to Grand Forks and also the surrounding counties. Their main objective is to offer superior quality HVAC and plumbing services to our customers.

Vtronix is a global designer and manufacturer of custom HVAC electronic controls and thermostats

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 Controls Inc. is a renowned US-based manufacturer of control valves and related products for industrial process/general service and specialty applications, HVAC - building automation, Military/Marine, boiler components and OEM specialty valves.

Manufacturer of geothermal and water source heat pumps for all applications. WaterFurnace combines sound engineering with the highest level of quality control and innovation.

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.

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.

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.

Mini split systems, condensing unit, ducted fan coil and air handling unit, chilled water fan coil and air handling units.

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.

Wiegmann Associates is a St. Louis-based mechanical contractor and a national pioneer in design/build HVAC projects. Since 1995, Wiegmann Associates has engineered and installed innovative, energy-saving, and cost-efficient HVAC solutions, refrigeration systems, and automation controls for clients in a wide range of industries, including senior living, food and beverage distribution, warehouse, healthcare, commercial and industrial.

Wilo USA provides pumps and pump systems for heating, refrigeration, air conditioning, water supply and sewage. Wilo pumps are used in all areas of public life: in commercial buildings, communal facilities, industry and in private homes.

Windy City Air Conditioning & Heating, LLC. services Las Vegas, Henderson, Green Valley, Summerlin, North Las Vegas & Boulder City. They specialize in providing Las Vegas AC repair & heating, commercial refrigeration, sales, service, repair, and installation.

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;

Wintac is a US-based renowned Business Management Software (BMS) solutions firm for field service and HVAC contracting companies. Wintac plumbing software provides valued real time information in order to control and increase efficiencies of technicians.

Wm. W. Meyer & Sons, Inc. are renowned manufacturers of commercial and industrial vacuums for cleaning ducts, boilers, furnaces and chimneys in residential, commercial, institutional and industrial applications.

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.

Worthington Industries are renowned US-based provider of hand torches, fuel, solder, braze and accessories. Non-refillable and refillable portable refrigerant cylinders, recovery and recyclable cylinders, and high pressure industrial gas cylinders.

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.

Wrightsoft Corp. offer easy to use, drag-and-drop HVAC design and sales software that combines both residential and commercial loads, CAD-quality ducts, proposals and in-home sales tools.

XCI Zoning was founded to provide the latest and newest technologies and ideas to provide better comfort and better control of the HVAC system. Specializing in forced air zoning, XCI has designed systems that enable HVAC systems to deliver greater comfort and reduced energy consumption.

Xpelair was formed in 1955 as a manufacturer of unitary ventilation products. They are renowned providers of high quality quiet fans for window, wall and roof mounting. 2-speed reversing fans for exhaust or air intake.

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.