| ABC | Australian Broadcasting Commission |
|---|---|
| ATC | Australian Telecommunications Commission |
| CIE | Commission Internationale de l'Eclairage |
| ETC | European Travel Commission |
| ICRP | International Commission For Radiation Protection (skr.) |
| ICRP | International Commission for Radiation Protection, Medzinárodná komisia pre rádiologickú ochranu (angl.skr.) |
| IEC | International Electrotech. Commission (skr.) |
| IEC | International Electrotechnical Commission, Medzinárodná elektrotechnická komisia (angl.skr.) |