EXPN.com [ http://expn.go.com/expn/index ]
The official site of EXPN, the company which hosts the X-Games. - [ Read more ]

Extreme Group [ http://www.extremeinternational.com/ ]
The founding company of many Extreme brands, Extreme sports channel, and extreme.com - [ Read more ]

Planet X Online [ http://www.planetx.com.au/ ]
Planet X Games is the biggest extreme / action sports event in Australia. Planet X have staged many extreme sports events over the years with the Planet X Winter and Summer Games being the biggest of their kind in the southern hemisphere. - [ Read more ]