| European Committee for Electrotechnical Standardization (CENELEC) Coordinates voluntary electrotechnical standards in Europe. http://www.cenelec.org/ |
| European Committee for Standardization (CEN) Draws up voluntary European Standards and promotes corresponding conformity of products and services in areas. http://www.cenorm.be/ |
| European Telecommunications Standardization Institute (ETSI) Nonprofit organization with mission to produce future telecommunications standards throughout Europe and beyond. http://www.etsi.org/ |
| International Civil Aviation Organization (ICAO) Secures international co-operation and uniformity in regulations and standards, procedures, and organization regarding civil aviation matters. http://www.icao.int/ |