The work of the GHG Protocol is, and has been, supported by the following organizations:
- Alcoa Foundation
- Anglo American
- Asia Pacific Partnership
- Arthur Lee
- Baxter International
- The British Embassy
- [British Foreign & Commonwealth Office] (www.fco.gov.uk/)
- International Climate Initiative, Bundesministerium für Umwelt, Naturschutz und Reaktorsicherheit (BMU)
- Charles Stewart Mott Foundation
- Chevron Corporation
- China Business Council for Sustainable Development
- Dell Inc.
- Det Norske Veritas
- Dow Chemical Company
- DuPont
- EMC Corporation
- Energy Foundation
- Environment Canada
- Ford
- General Motors
- G.E. Foundation
- Hewlett Foundation
- International Paper
- Intel Corporation
- John D. and Catherine T. MacArthur Foundation
- Kimberly Clark Foundation
- Lafarge
- Lawrence Berkeley National Laboratory
- Microsoft
- Natural Resource Canada
- Norsk Hydro
- Ontario Power Generation
- PepsiCo
- Petro Canada
- PowerGen
- Robertson Foundation
- S.C. Johnson Foundation
- SGS
- Shell
- Siemens
- Statoil
- Spencer T. and Ann W. Olin Foundation
- STMicroelectronics
- Sulzer
- Suncor
- Swiss Re
- Texaco
- Tokyo Electric Power Company
- Toyota
- TransAlta
- U.K. Department for Environment, Food and Rural Affairs
- [Unilever] (www.unilever.com/)
- UPS Foundation
- U.S. Environmental Protection Agency
- U.S. Agency for International Development
- United Technologies Corporation
- Volkswagen
- Wallace Global Fund
- Walmart Foundation
