ITU-R (Popularity: ): Radiocommunications Sector (former name CCIR) - standardization of wireless communication at the International Telecommunication Union. CENELEC (Popularity: ): European Committee for Electrotechnical Standardization IEC (Popularity: ): International Electrotechnical Commission. The IEC is the standards organization for all areas of electrotechnology. ISO (Popularity: ): International Organization for Standardization ITU-T (Popularity: ): Telecommunication Standardization Sector (former name CCITT) is the telecoms standards department of the International Telecommunication Union. Its most widely known standards are those of the X. series, e.g. X.25 and ... CORM (Popularity: ): Council for Optical Radiation Measurements; develops requirements for standards, calibration services and collaboration programs. ETSI (Popularity: ): European Telecommunications Standards Institute. COPANT (Popularity: ): Comisión Panamericana de Normas Técnicas/Pan American Standards Commission - site English + Spanish - objective: to promote the development of technical standardization and related activities in its member countries. International Atomic Energy Agency (Popularity: ): The International Atomic Energy Agency (IAEA) serves as the world's central intergovernmental forum for scientific and technical co-operation in the nuclear field, and as the international inspectorate IEEE (Popularity: ): Institute of Electrical and Electronic Engineers. With information on standardization activities and procedures and the advantages of participating in standardization work.