The ISO/IEC, or International Organization for Standardization and the International Electrotechnical Commission, have a group called the Moving Pictures Experts Group or MPEG. MPEG is responsible, for example, for the familiar compression formats MPEG-1, MPEG-2 and MPEG-4.
There are other compression formats, such as Intel Indeo and RealVideo (based on the ITU-T H.263 codec). These are just as useful as the ones standardized by the international groups, although some video sharing websites won’t accept them.
It’s important not to get video compression formats mixed up with media container formats. A media container is a file format that contains data that had been compressed using a video compression format. So the media container is the end product of video compression.