| 1 | PLIX | Polymont Plastics Corp. | added 4/1992; 1/1994-7/2000; eliminated 10/2003; 7/2005 (not listed) | | NAKINA |
| 2 | PLIX | Polysar Inc. | added 4/1981; eliminated 4/1992 | | NAKINA |
| 3 | PLIX | Polysar Inc. | added 4/81; eliminated 4/92 | | NRHS |
| 4 | PLIX | Polymont Plastics Corp. | added 4/92; 1/94-7/2000 | | NRHS |
| 5 | PLIX | POLYMONT PLASTICS CORPORATION (POLYSAR INC.) | | | PWRC |
| 6 | PLIX | Polymont Plastics Corporation | | | RSRV |
| 7 | PLIX | POLYMONT PLASTICS CORPORATION | | | SCAC4 |
