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.

Volution Group’s purpose is to provide healthy indoor air, sustainably. Their products are intrinsically designed to improve air quality and reduce emissions over traditional methods.

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.

WEG is a global electric-electronic equipment company, operating mainly in the capital goods sector with solutions in electric machines, automation, and paints for several sectors, including infrastructure, steel, pulp and paper, oil and gas, mining, among many others.

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.

Whitehead is a building services company providing the full range of mechanical, electrical and management services. They design, install, test/commission, manage and maintain buildings across the UK. Whitehead provides heating, lighting, ventilation, power and water services.

Zilmet is one of the oldest and largest expansion tank manufacturers in the world. Established in Italy on 1962, Zilmet is an international manufacturer of quality expansion vessels, pressure tanks and plate heat exchangers with several branches across the globe with worldwide distribution.