- -ms- Microsoft
- mso- Microsoft Office
- -moz- Mozilla Foundation (Gecko-based browsers)
- -o-, -xv- Opera Software
- -atsc- Advanced Television Standards Committee
- -wap- The WAP Forum
- -webkit- Safari, Chrome (and other WebKit-based browsers)
- -khtml- Konqueror browser
- -apple- Webkit supports properties using the -apple- prefixes as well
- prince- YesLogic