The NABC is a Mixed Martial Arts and pro Boxing sanctioning body. NABC boxing championship bouts have been televised on HBO, ESPN2 Friday Night Fights and FOX Sports.

Boxers who have fought for the NABC belt include Evander Holyfield, Felix Trinidad, Larry Donald, Ricardo Mayorga, Stevie Johnston, Joshua Clottey, Ian Gardner, Eric "Butterbean" Esch, Michael Olajide and Damian Fuller.

Promoters who have held NABC contests include Don King, Fred Berns, Octavius James of One In A Million Inc., Lou Duva, Lou DiBella, Legends of Fighting, Cage Fury, Adrian Patrick and Gary Shaw.

NABC
P.O. Box 501934
Indianapolis, IN 46250