N.W.A. United National Heavyweight Title
(as of 2008/05/04)

Masa (Masato) Tanaka	04/01/31	Tokyo
Defeats Steve Corino to become first champion.
Takao Ohmori	04/10/08	Tokyo
Wins AWA World Heavyweight Title on 05/01/23 in Tokyo; ZERO-ONE leaves NWA in 04/10; United National Title is declared vacant on 05/02/28 for lack of title defense.
C.W. Anderson	05/03/27	Tokyo
Defeats Kohei Sato; vacates on 06/02/03 due to back injury.
Kohei Sato	06/02/26	Tokyo
Defeats Ryoji Sai.
Ryoji Sai	06/11/11	Osaka
Daisuke Sekimoto	07/03/08	Tokyo
Yoshihito Sasaki	07/11/13	Tokyo
Sandy Beach (Micah Taylor)	08/02/11	Nagoya
Yoshihito Sasaki [2]	08/03/29	Sapporo
Vacates on 08/04/25 due to back injury.
Kengo Mashimo	08/05/04	Chiba
Defeats Ryoji Sai.