| 1 | HCLX | Basell Canada Inc. | added 1/2001; 7/2005; eliminated 1/2009 | | NAKINA |
| 2 | HCLX | Montell Canada Inc. | added 4/1996; 7/2000; eliminated 1/2001 | | NAKINA |
| 3 | HCLX | HIMONT Canada Inc. | added 1/1984; 1/1994; eliminated 4/1996 | | NAKINA |
| 4 | HCLX | Hercules Canada Ltd. | added 4/1979; 1/1980; eliminated 1/1984 | | NAKINA |
| 5 | HCLX | Hercules Canada Ltd. | added 4/79; 1/80 | | NRHS |
| 6 | HCLX | HIMONT Canada Inc. | 1/94; eliminated 4/96 | | NRHS |
| 7 | HCLX | Montell Canada Inc. | added 4/96; 7/2000; eliminated 1/2001 | | NRHS |
| 8 | HCLX | Basell Canada Inc. | added 1/2001 | | NRHS |
| 9 | HCLX | BASSEL CANADA, INC. [MONTELL CANADA INC.HIMONT CANADA, INC.; HERCULES CANADA LTD.] | | | PWRC |
| 10 | HCLX | HIMONT Canada (Basell Canada) | | | RSRV |
| 11 | HCLX | BASELL CANADA INC | | | SCAC4 |
