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 | FIGHTING HARADA | 1962-10-10 |
| 2 | HIROYUKI EBIHARA | 1963-09-18 |
| 3 | HORACIO ACCAVALLO | 1966-03-01 |
| 4 | MASAO OBA | 1970-10-22 |
| 5 | CHARTCHAI CHIONOI | 1973-05-17 |
| 6 | ERBITO SALAVARRIA | 1975-04-01 |
| 7 | JAIME RIOS | 1975-08-23 |
| 8 | JUAN ANTONIO GUZMAN | 1976-07-02 |
| 9 | GUTY ESPADAS | 1977-11-19 |
| 10 | BETULIO GONZALEZ | 1978-08-12 |
| 11 | YOKO GUSHIKEN | 1978-10-15 |
| 12 | TAE-SHIK KIM | 1980-02-17 |
| 13 | SANTOS BENIGNO LACIAR | 1981-03-28 |
| 14 | GUSTAVO BALLAS | 1981-09-12 |
| 15 | JUAN HERRERA | 1981-09-26 |
| 16 | KATSUO TOKASHIKI | 1981-12-16 |
| 17 | JIRO WATANABE | 1982-04-08 |
| 18 | LUPE MADERA | 1983-07-10 |
| 19 | KHAOSAI GALAXY | 1985-03-06 |
| 20 | JOEY OLIVO | 1985-03-29 |
| 21 | MYUNG WOO YUH | 1985-12-08 |
| 22 | HILARIO ZAPATA | 1986-04-07 |
| 23 | FIDEL BASSA | 1987-02-13 |
| 24 | JESUS ROJAS | 1989-09-30 |
| 25 | HIROKI IOKA | 1991-12-17 |
| 26 | KATSUYA ONIZUKA | 1992-09-11 |
| 27 | AQUILES GUZMAN | 1992-09-26 |
| 28 | DAVID GRIMAN | 1993-10-04 |
| 29 | LEO GAMEZ | 1993-10-21 |
| 30 | HYUNG-CHUL LEE | 1994-09-18 |
| 31 | HI-YONG CHOI | 1995-09-05 |
| 32 | CARLOS MURILLO | 1996-03-15 |
| 33 | JOSE BONILLA | 1996-11-24 |
| 34 | PICHIT CHOR SIRIWAT | 1998-03-01 |
| 35 | HUGO RAFAEL SOTO | 1998-05-29 |
| 36 | ERIC MOREL | 2000-10-07 |
| 37 | ROSENDO ALVAREZ | 2001-03-03 |
| 38 | ALEXANDER MUNOZ | 2002-07-31 |
| 39 | MARTIN CASTILLO | 2004-12-03 |
| 40 | ROBERTO VASQUEZ | 2005-11-19 |
| 41 | TAKEFUMI SAKATA | 2007-03-19 |
| 42 | BRAHIM ASLOUM | 2007-12-08 |
| 43 | JORGE ARCE | 2008-09-15 |
| 44 | VIC DARCHINYAN | 2008-11-01 |
| 45 | DENKAOSAN KAOVICHIT | 2009-05-26 |
| 46 | NONITO DONAIRE | 2009-08-15 |
| 47 | HUGO FIDEL CAZARES | 2010-05-08 |
| 48 | ALBERTO ROSSEL | 2012-04-14 |
| 49 | BRIAN VILORIA | 2012-11-17 |