National Boxing Association (NBA), was founded in Rhode Island by 13 U.S. commissions as a result of the ecumenical boom reached by the sport. The NBA changed its name in 1962 to the World Boxing Association (WBA), which is now presided by Gilberto Jesús Mendoza.
| No. | FIGHTER | DATE |
| 1 | FIDEL LABARBA | 1925-08-22 |
| 2 | PINKY SILVERBERG | 1927-10-22 |
| 3 | FRANKIE GENARO | 1928-02-06 |
| 4 | EMILE PLADNER | 1929-03-02 |
| 5 | YOUNG PEREZ | 1931-10-26 |
| 6 | BENNY LYNCH | 1935-09-09 |