| 1 | ALAX | Equistar Chemicals, LP | added 4/1998; 7/2000-7/2005 | | NAKINA |
| 2 | ALAX | Lyondell Petrochemical Co. | added 4/1996; eliminated 4/1998 | | NAKINA |
| 3 | ALAX | Occidental Chemical Corp. | added 1/1992; 1/1994; eliminated 10/1995 | | NAKINA |
| 4 | ALAX | Occidental Chemical Corp., Alathon Polymers Division | added 7/1990; eliminated 1/1992 | | NAKINA |
| 5 | ALAX | Oxy Petrochemicals Inc. | added 1/1990; eliminated 7/1990 | | NAKINA |
| 6 | ALAX | Cain Chemical Inc. | added 4/1988; eliminated 1/1990 | | NAKINA |
| 7 | ALAX | Alabama Metalurgical Corp. | added 7/1974; 1/1975-1/1980; eliminated 1/1982 | | NAKINA |
| 8 | ALAX | Union Oil Co. of California | added 1/1960; 4/1961; eliminated 7/1962 | | NAKINA |
| 9 | ALAX | Alaska Asphalt Co. | added 4/1959; eliminated 7/1959 | | NAKINA |
| 10 | ALAX | Alaska Asphalt Co. | eliminated 7/59 | | NRHS |
| 11 | ALAX | Union Oil Co. of California | added 1/60; 4/61 | | NRHS |
| 12 | ALAX | Alabama Metalurgical Corp. | added 7/74; 1/75-1/80; eliminated 1/82 | | NRHS |
| 13 | ALAX | Cain Chemical Inc. | added 4/88; eliminated 1/90 | | NRHS |
| 14 | ALAX | Oxy Petrochemicals Inc. | added 1/90; eliminated 7/90 | | NRHS |
| 15 | ALAX | Occidental Chemical Corp., Alathon Polymers Division | added 7/90; eliminated 1/92 | | NRHS |
| 16 | ALAX | Occidental Chemical Corp. | added 1/92; 1/94; eliminated 10/95 | | NRHS |
| 17 | ALAX | Lyondell Petrochemical Co. | added 4/96; eliminated 4/98 | | NRHS |
| 18 | ALAX | Equistar Chemicals, LP | added 4/98; 7/2000 | | NRHS |
| 19 | ALAX | *ALASKA ASPHALT CO. | | | PWRC |
| 20 | ALAX | *UNION OIL COMPANY OF CALIFORNIA | | | PWRC |
| 21 | ALAX | *ALABAMA METALLURGICAL CORP. | | | PWRC |
| 22 | ALAX | *CAIN CHEMICAL INC. | | | PWRC |
| 23 | ALAX | +EQUISTAR CHEMICALS [OCCIDENTAL CHEMICAL CORP., ALATHON POLYMERS DIV.; OXY PETROCHEMICALS; LYONDELL PETROCHEMICAL]) | | | PWRC |
| 24 | ALAX | Alaska Asphalt (Equistar Chemicals) | | | RSRV |
| 25 | ALAX | EQUISTAR CHEMICALS LP | | | SCAC4 |
