Banner Promotions
US boxing promotions company site, with information on fighters, events and card results.
http://www.banner-promotions.com/

Boxing.de
Articles, records, profiles, video and audio features of the Klitschko brothers and other world class fighters. In German and English.
http://www.boxing.de

One In A Million Boxing
Event information, trainer profiles, photograph gallery, and information about the Indiana and California facilities.
http://www.oneinamillionboxing.com/

Probox
Global boxer and manager listings, rules, weight classes and shop.
http://www.probox.net/

Showtime Boxing Network
Offer upcoming schedules and results for the television network. [Available to US residents only]
http://www.sho.com/site/boxing/home.do?source=shocom_nav

So You Wanna Fight
Pay Per View of boxing contests for bikers, bouncers, brawlers, red necks and ruff necks.
http://www.soyouwannafight.com/

World Championship Boxing on HBO
Schedule of broadcast fights, fighter profiles and chat.
http://www.hbo.com/boxing/