Viega LLC is a globally renowned provider of pipe fittings for plumbing, hydronic radiant heat, snow melt and marine applications. Their solutions portfolio includes Viega ProPress, Viega MegaPress, Viega PureFlow System including PEX and fittings, as well as MegaPress CuNi and SeaPress systems, ProRadiant heating and cooling systems, and in-wall flushing technology including carriers and flush plates.

The Viessmann Group is a globally renowned company that manufactures heating, cooling and climate control technology and solutions. They provide heating systems, industrial systems and refrigeration systems for commercial and industrial applications.

Virginia Air Distributors, Inc is one of the largest wholesale distributors of residential and light commercial HVAC equipment on the east coast. Headquartered in Richmond, VA, Virginia Air provides heating, cooling, air conditioning equipment and solutions, heat pumps, and furnaces.

VKK - Vaasan Kuljetuskanavat Oy is a plant supplier of heat and steam production plants operating on biofuel - one of Finland's operators. Vaasa's Kuljetuskanavat specializes in deburring of the mechanical wood processing industry and transport and handling systems for various materials in demanding industrial environments. Together, the companies form the VKK Group Oy group.

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.

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.

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.

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.