| 1 | AKZX | AKZO Nobel Chemicals, Inc. | added 1/1995; 7/2000; eliminated 7/2003; 7/2005 (not listed); added 10/2005 | | NAKINA |
| 2 | AKZX | Akzo Chemie America | added 1/1987; eliminated 4/1989 | | NAKINA |
| 3 | AKZX | AKZO Chemicals Inc. | added 4/1989; 1/1994; eliminated 1/1995 | | NAKINA |
| 4 | AKZX | Akzo Chemie America | added 1/87; eliminated 4/89 | | NRHS |
| 5 | AKZX | AKZO Chemicals Inc. | added 4/89; 1/94; eliminated 1/95 | | NRHS |
| 6 | AKZX | AKZO Nobel Chemicals, Inc. | added 1/95; 7/2000 | | NRHS |
| 7 | AKZX | AKZO NOBEL CHEMICALS INC. [AKZO CHEMIE AMERICA] | | | PWRC |
| 8 | AKZX | Azko Nobel Chemicals | | | RSRV |
| 9 | AKZX | AKZO NOBEL CHEMICALS INC | | | SCAC4 |