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 | EDDIE PERKINS | 1962-09-14 |
| 2 | CARLOS ORTIZ | 1962-12-03 |
| 3 | CARLOS HERNANDEZ | 1965-01-18 |
| 4 | TAKESHI FUJI | 1967-04-30 |
| 5 | CARLOS TEO CRUZ | 1968-09-27 |
| 6 | NICOLINO LOCCHE | 1968-12-12 |
| 7 | NICOLINO LOCCHE | 1969-10-11 |
| 8 | ISMAEL LAGUNA | 1970-03-03 |
| 9 | KEN BUCHANAN | 1970-09-26 |
| 10 | ROBERTO DURAN | 1972-06-26 |
| 11 | ANTONIO CERVANTES | 1972-10-28 |
| 12 | WILFRED BENITEZ | 1976-03-06 |
| 13 | ERNESTO ESPANA | 1979-08-04 |
| 14 | HILMER KENTY | 1980-03-02 |
| 15 | AARON PRYOR | 1980-08-02 |
| 16 | SEAN O´GRADY | 1981-04-12 |
| 17 | ARTURO FRIAS | 1982-01-30 |
| 18 | RAY MANCINI | 1982-05-08 |
| 19 | GENE HATCHER | 1984-06-01 |
| 20 | LIVINGSTONE BRAMBLE | 1984-06-01 |
| 21 | PATRIZIO OLIVA | 1986-03-15 |
| 22 | EDWIN ROSARIO | 1987-08-11 |
| 23 | PERNELL WHITAKER | 1990-08-11 |
| 24 | LORETO GARZA | 1990-08-17 |
| 25 | JOEY GAMACHE | 1992-06-13 |
| 26 | TONY LOPEZ | 1992-10-24 |
| 27 | DINGAAN THOBELA | 1993-06-26 |
| 28 | FRANKIE RANDALL | 1994-09-17 |
| 29 | ORZUBEK NAZAROV | 1994-12-10 |
| 30 | KHALID RAHILOU | 1997-07-05 |
| 31 | SHARMBA MITCHELL | 1998-10-10 |
| 32 | STEFANO ZOFF | 1999-08-07 |
| 33 | KOSTYA TSZYU | 2002-05-18 |
| 34 | VIVIAN HARRIS | 2003-07-12 |
| 35 | LAKVA SIM | 2004-04-10 |
| 36 | RICKY HATTON | 2005-11-26 |
| 37 | SOULEYMANE M´BAYE | 2006-09-02 |
| 38 | JUAN DIAZ | 2006-11-04 |
| 39 | ANNE SOPHIE MATHIS | 2006-12-02 |
| 40 | LAYLA MCCARTER | 2007-01-05 |
| 41 | GAVIN REES | 2007-07-21 |
| 42 | ANDRIY KOTELNIK | 2008-09-13 |
| 43 | NATE CAMPBELL | 2009-02-14 |
| 44 | JUAN MANUEL MARQUEZ | 2009-02-28 |
| 45 | MIGUEL ACOSTA | 2009-07-25 |
| 46 | ROBERT GUERRERO | 2011-04-09 |