| 1 | QOTX | Great Lakes Chemical Corp., Specialty Chemicals | added 10/1995; 7/2000-7/2005; added 10/2007 | | NAKINA |
| 2 | QOTX | QO Chemicals, Inc. | added 10/1984; 1/1994; eliminated 10/1995 | | NAKINA |
| 3 | QOTX | The Quaker Oats Co. | 8/1920-7/1923 | | NAKINA |
| 4 | QOTX | Quaker Oats Co.-Chemicals Division | added 10/1980; eliminated 10/1984 | | NAKINA |
| 5 | QOTX | Quaker Oats Co.-Chemicals Division | added 10/80; eliminated 10/84 | | NRHS |
| 6 | QOTX | QO Chemicals, Inc. | added 10/84; 1/94; eliminated 10/95 | | NRHS |
| 7 | QOTX | Great Lakes Chemical Corp., Specialty Chemicals | added 10/95; 7/2000 | | NRHS |
| 8 | QOTX | *QUAKER OATS COMPANY, CHEMICALS DIV. (QO CHEMICALS, INC.) | | | PWRC |
| 9 | QOTX | +GREAT LAKES CHEMICAL CORPORATION, SPECIALTY CHEMICALS | | | PWRC |
| 10 | QOTX | Quaker Oats Chemicals Division | | | RSRV |
| 11 | QOTX | QO CHEMICALS, INC. | | | SCAC4 |
