The International Emissions Trading Association (IETA) is a non-profit business organization created in June 1999 to establish a functional international framework for trading in greenhouse gas emission reductions. Its membership includes leading international companies from across the carbon trading cycle. IETA members seek to develop an emissions trading regime that results in real and verifiable greenhouse gas emission reductions, balancing economic efficiency with environmental integrity and social equity.

The Carbon Markets and Investors Association (CMIA), formed in August 2008 by the merger of The Carbon Markets Association (CMA) and INCIS, is an international trade association representing service providers to the global carbon market. The CMIA was formed to represent businesses at the cutting edge of the services sector working to reduce carbon emissions through the market mechanisms of the UNFCCC and the Kyoto Protocol. It was created to ensure the progressive business voice is heard – market-friendly climate change policy creates new business opportunities. With more than 70 member companies the CMIA aims to promote growth and stability in the carbon market and to enhance competitiveness in the climate change sector.

The Carbon Disclosure Project (CDP) is an independent, not-for-profit organisation aiming to create a lasting relationship between shareholders and corporations regarding the implications for shareholder value and commercial operations presented by climate change. Its goal is to facilitate a dialogue, supported by quality information, from which a rational response to climate change will emerge. The CDP provides a coordinating secretariat for institutional investors with a combined $57 trillion of assets under management and, over eight years, the CDP has become the gold standard for carbon disclosure methodology and process. The CDP website is the largest repository of corporate greenhouse gas emissions data in the world.

Spectron is a leading broker of energy and environmental products globally, and winner of numerous industry awards, including: Broker of the Year (Point Carbon magazine); Specialist Broker of the Year (Energy Risk magazine); and the Gold Award for Excellence in Emerging Markets (Energy Business magazine).

Eurekahedge is the world’s largest independent data provider and research house focusing on alternative investments. With headquarters in Singapore it has representative offices in New York and London. Eurekahedge maintains coverage on over 17,000 alternative funds globally - it's global alternative research covers hedge funds, funds of funds, private equity funds, Islamic funds, real estate funds and long-only absolute return funds.

Cogen Europe is the European Trade Association for the promotion of cogeneration. Its principal goal is to work towards the wider use of cogeneration in Europe for a sustainable energy future. COGEN Europe is promoting the widespread development of cogeneration in Europe and worldwide. To achieve this goal, it is working at EU level and with member states to develop sustainable energy policies and remove unnecessary barriers to its implementation.