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 | JACK DEMPSEY | 1921-07-02 |
| 2 | JIMMY SLATTERY | 1927-08-30 |
| 3 | GENE TUNNEY | 1928-07-26 |
| 4 | JACK SHARKEY | 1932-06-21 |
| 5 | BOB GODWIN | 1933-03-01 |
| 6 | MAXIE ROSENBLOOM | 1933-03-24 |
| 7 | MAX BAER | 1934-06-14 |
| 8 | JIM BRADDOCK | 1935-06-13 |
| 9 | JOE LOUIS | 1937-06-22 |
| 10 | BILLY CONN | 1939-07-13 |
| 11 | ANTON CHRISTOFORIDIS | 1941-01-13 |
| 12 | GUS LESNEVICH | 1941-08-26 |
| 13 | EZZARD CHARLES | 1949-06-22 |
| 14 | ARCHIE MOORE | 1959-08-12 |
| 15 | HAROLD JOHNSON | 1961-02-07 |