| 1 | WAGX | Occidental Chemical Corp. | added 10/1995; eliminated 4/1996 | | NAKINA |
| 2 | WAGX | PCS Phosphate Co., Inc. | added 4/1996; 7/2000-7/2005 | | NAKINA |
| 3 | WAGX | Occidental Chemical Corp. | added 10/95; eliminated 4/96 | | NRHS |
| 4 | WAGX | PCS Phosphate Co., Inc. | added 4/96; 7/2000 | | NRHS |
| 5 | WAGX | PCS PHOSPHATE COMPANY INC. [OCCIDENTAL CHEMICAL CORP.] | | | PWRC |
| 6 | WAGX | Willard Agricultural Co. (PCS Phosphate) | | | RSRV |
| 7 | WAGX | WHITE SPRINGS AGRICULTURAL CHEMICAL | | | SCAC4 |