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.

CDP is a global non-profit that runs the world’s environmental disclosure system for companies, cities, states, and regions. Founded in 2000 and working with more than 680 financial institutions with over $130 trillion in assets, CDP pioneered using capital markets and corporate procurement to motivate companies to disclose their environmental impacts and to reduce greenhouse gas emissions, safeguard water resources and protect forests.