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.

Water-Right has been creating innovative, highly effective solutions since 1963. Backed by comprehensive support, their expertly designed extensive water treatment product lines include water softeners, residential water filtration systems, drinking water filtration systems, and more.

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.

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.

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.

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.

Wauseon Machine, Inc. (WM) started as a small contract machine shop in 1983. Currently, they offer those same services in Plant 1, where it specializes in build-to-print tooling, prototypes, and precision machining.

Waxman is a globally renowned company in the design, development, and distribution of innovative surface protection and floor care products, other home improvement and hardware products, including faucets and showers; plumbing products and accessories; and home organization and storage solutions.

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.

Webstone now operates as a brand of NIBCO and is recognized as an industry pioneer for innovative design of residential and commercial valves used in plumbing, hydronic, radiant, solar and geothermal applications.

Welbilt Inc. connect food, people and equipment into a single kitchen ecosystem, with customized system solutions that are perfectly tailored to respond to their customers' everyday needs. They consider themselves both pioneers and innovators.

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

Selecting the correct company to take care of their family’s home living environment can be a challenging task but at West Air Conditioning they can trust their long-term credentials for the comfort of the peace of mind.

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.

Whole Building Systems, LLC (WBS), established in 2010, is a best in class high performance building automation technology solutions developer and consultancy firm that uses state-of-the-art technologies and analytic tools such as Building Information Modeling (BIM) and process change strategies to assist clients in improving the performance of new and existing buildings including historic structures.

Today a worldwide household name in the plastic welding technology industry, and approved market leader in various fields of application, WIDOS was started from scratch with a pioneering spirit and a lot of energy.

William Tao & Associates, Inc. (WTA) is a multi-discipline engineering firm providing innovative services in engineering and energy-effective building systems. WTA provides a wide range of engineering services including mechanical, electrical, plumbing, fire protection, building automation, structural, civil, master planning, and commissioning

During its long and distinguished history Weil Pump has been at the forefront in the design and manufacture of centrifugal pumps for construction, industrial, commercial, and municipal applications. Quality has always been the priority in company decision-making

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;

Woburn Mechanical Services Limited was established in 2011 and offers a wide range of services including installations, servicing and maintenance contracts. They offer bespoke contract solutions catering to individual client requirements. Situated in Nottinghamshire, United Kingdom, the company is ideally positioned to provide services to businesses along the M1/M62 corridor.

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

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.

World Environment Center is an independent, global non-profit, non-advocacy organization that advances sustainable development through the business practices of member companies and in partnership with governments, multi-lateral organizations, non-governmental organizations, universities and other stakeholders.

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.

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.

WSP Global Inc. meets the customer's needs with cross-disciplinary services across multiple sectors and markets including: advisory; buildings; water and environment; energy; and transportation & infrastructure.

XNRGY engineers and manufactures HVAC systems focused on low sound and vibration levels, data center efficiency, and power usage effectiveness while supporting LEED certification in a wide range of applications.