The Global Environment Centre Foundation (GEC) is an entity that supports the UNEP’s International Environmental Technology Centre (IETC), based in Japan.

NIRAS A/S is a private sector, international, multidisciplinary consultancy company established in 1956. It has over 1400 employees located in offices in Europe, Asia and Africa.

Ecofys, a Navigant company, is an international energy and climate consultancy focused on sustainable energy for everyone. Founded in 1984, the company is a trusted advisor to governments, corporations, NGOs, and energy providers worldwide.

The SIRDC was established by the Government of Zimbabwe in 1993, under the provisions of the Research Act of 1986. The Centre provides technological expertise in the diverse areas in which Zimbabwe's industrial enterprises operate.

Perspectives Climate Change offers high quality, comprehensive and tailor-made solutions for international climate policy and carbon market activities. Perspectives Climate Change consults the private sector as well as governments and non-governmental organisations,

3Wayste® is an innovative, patented waste management system capable of treating 100 per cent of municipal solid waste (MSW) while profitably revalorizing more than 90 per cent for clean energy fuel, pure compost and raw materials.

Created in 2004, ALTEREA is a fast-growing energy-savings company of 100 experts specialized in improving the energy performance, the architectural quality and the exploitation of buildings.