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. L. Gary Company, Inc. is a full-service Mechanical Contractor specializing in providing complete solutions for clients in the Washington, DC, Maryland, and Northern Virginia, regions of the USA. As a family-owned and operated business, they understand the value of a reputation built on quality work and attentive customer care.

The Wallwork Group, founded in 1925, has a long history of supplying New York/New Jersey contractors with the finest heating and air conditioning products.

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.

Water Heaters Now is the go-to water heater installation company for same-day service. They specialize in water heater replacement, tankless water heaters, and commercial water heaters. Their team provides the best professional-grade units for their customers.

Wateraid UK are determined to make clean water, decent toilets and good hygiene normal for everyone, everywhere within a generation. By inspiring people and sparking chain reactions, they help deliver lasting change. By working closely with partners internationally and on the ground in some of the toughest places in the world, they have helped millions of people take control of their lives and build better futures.

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

Watlow Electric manufacturing company designs and manufactures industrial heaters, sensors, controllers, system assemblies and software — all of the components of a thermal system. Designing and manufacturing the complete thermal system allows Watlow to recommend, develop and deliver the optimum thermal solution for our customers’ equipment and process heat requirements.

Dennis Supply Company provides solutions like Refrigeration, hydronics & HVAC wholesaler.

Since its beginning in 1922, Webster has grown to become a leading manufacturer of multi-fuel boiler burners for commercial heating, industrial process steam, and drying applications. Today, the company boasts numerous innovations that help its customers run cleaner, more efficient heating and thermal processes in a wide range of commercial, institutional and industrial facilities.

Weil-McLain is a renowned North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881. They provide heat exchangers, indirect fire water heaters and boilers for space heating in residential, commercial and institutional applications.

Established in 1992, West Coast Chief Repair have served Los Angeles and the surrounding areas for over a quarter of a century. They are proud to be the go-to company for many homes, businesses and apartment blocks from Malibu to West Covina and Long Beach to Lancaster. The company provides solutions like Air Conditioning, Heating, etc and is based out of USA.

American Wheatley HVAC brand products have established a reputation for providing dependable products to the HVAC industry. The Plugaroo/TDV™ is an industry standard. In addition to their complete line of tanks, strainers and valve products, they are committed to bringing the latest in HVAC technology from all over the world.

For over 100 years, Williams Comfort Products, located in California, has been manufacturing a wide array of comfort HVAC equipment including air curtains, DX and hydronic fan coils, air handlers, gas heating equipment and total space dehumidifiers.

Williams Distributing has grown into a distribution powerhouse. As a full service distributor to dealers, builders, contractors, interior designers, and architects, they offer an unparalleled inventory of in-stock product for the heating & cooling, kitchen & bath, plumbing, hearth, and garage door markets

Wittichen Supply Company is a wholesale distributor providing the best in class HVAC/R equipment, parts, and supplies to licensed HVAC/R contractors in the Southeastern United States

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.

The World Plumbing Council (WPC) is an international organization which aims to develop and promote the image and standards of the plumbing Industry worldwide. World Plumbing Day is an international event on March 11 every year, initiated by the World Plumbing Council as a means of highlighting the important role plumbing plays in the health, safety and sustainability of the community.

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.

WSM Industries is a wholesaler and manufacturer of sheet metal, HVAC and specialty products. They also deal with heating, ventilation and air conditioning supplies and manufacture pipe, duct, spiral pipe and fittings, and carry a comprehensive supply of flat sheets, venting, registers and grills, insulation supplies, and Ducane equipment and linesets.

According to the American Water Works Association, average daily residential water use in the United States is 27.4 billion gallons. This domestic water is used for everything from lawn irrigation to cooking, cleaning and plumbing. By that account, it’s clear that water is essential to homeowners who take great pride in maintaining and improving their homes.

Young Supply Company is Michigan & Northern Ohio’s Premier HVAC/R, Food Service Equipment, and Hydronics Wholesaler. Young Supply offers products across four main sales sectors: Refrigeration, HVAC, Food Service Equipment, and HVAC.

Zehnder Rittling offers Fan Coils. Their solution for efficient and energy-saving heating and cooling is the simple to install. Zehnder Radiant Ceiling Panels and Rittling Induction Units represent an energy-efficient heating and cooling solution.

Zettler Controls Inc. is a US-based renowned HVACR component manufacturer with an extensive offering of relays, thermostats, transformers, heat sequencers, temperature sensors, and fan centers.

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