The British Plastics Federation (BPF) is the principal trade association for the UK Plastics Industry and is composed of over 450 members representing in excess of 75% of the plastics industry by turnover. The Federation is unique amongst plastics trade associations in Europe as its members encompass the whole plastics industry supply chain including raw material suppliers, processors, machinery suppliers, recyclers, and service providers.

Building Engineering Services Association (BESA), until 2012 the Heating and Ventilating Contractors Association, and from then until 2016, B&ES, is the main UK trade association for companies that design, install, commission and maintain heating, ventilation, air conditioning, refrigeration (HVACR) and related engineering projects.

Great Lakes Copper provides full line copper tube manufacturer of plumbing, HVAC, medical, coated copper, line sets, ductless line sets and industrial applications. Products are available in coil or straight-length configuration, varying lengths and outside diameters.

Heat Geek is renewing the heating industry. Home heating accounts for 17% of the UK's carbon emissions and to tackle this, they have developed a digital-first experience that enables people to upgrade their homes with carbon-free heating. Heat Geeks are part of one of the largest independent renewables installer communities in the country, with access to incredible training and community support to deliver customer energy upgrades.

M&K Heating and Air Conditioning provides home comfort solutions in London and surrounding communities.

Mace is a global expert in shaping the built environment. From development and consultancy to construction and operations, it connect expertise across the entire property lifecycle to help their clients, people, communities, and society achieve more than they believe is possible.

Robert Heath Heating provides domestic heating service, maintenance, and installation for private clients and social landlords. Competitive service for both residential and commercial gas services.

Shell are a global group of energy and petrochemical companies with more than 80,000 employees in more than 70 countries. Theye use advanced technologies and take an innovative approach to help build a sustainable energy future.

SO Energy is a London-based supplier of gas and 100% renewable electricity to homes around Great Britain and believes in honesty, transparency, and enabling their customers to make a move towards net zero. It is the only energy supplier that empowers customers by allowing them to vote on how it sources its renewable electricity.

Ventive Limited is a pioneer in the design of naturally intelligent ventilation systems to deliver fresh air at minimal energy cost. Tom Lipinski founded the company with the vision that ventilation can play a key role in the sustainable architecture of the future. Almost all of the air breathed, within the built environment, can be introduced comfortably without the need for further power, heating, or cooling.

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.