| 1 | CSNX | Trident NGL, Inc. | added 4/1992; eliminated 10/1993; 1/1994-7/2005 (not listed) | | NAKINA |
| 2 | CSNX | OXY USA Inc. | eliminated 4/1992 | | NAKINA |
| 3 | CSNX | OXY NGL Inc. | added 7/1988 | | NAKINA |
| 4 | CSNX | OXY Cities Service NGL Inc. | added 1/1986; eliminated 7/1988 | | NAKINA |
| 5 | CSNX | Cities Service Oil and Gas Corp. | added 5/1983; eliminated 1/1986 | | NAKINA |
| 6 | CSNX | Cities Service Co., NGL Division | added 4/1979; 1/1980; eliminated 5/1983 | | NAKINA |
| 7 | CSNX | Cities Service Co. | added 4/1978; eliminated 4/1979 | | NAKINA |
| 8 | CSNX | National Car Co. (Lincoln Packing Co.) | eliminated 4/1953 | | NAKINA |
| 9 | CSNX | Fruit Growers Express Co. | 1/1950-1/1952 | | NAKINA |
| 10 | CSNX | Fruit Growers Express Co. | Jan-52 | | NRHS |
| 11 | CSNX | Cities Service Co. | added 4/78; eliminated 4/79 | | NRHS |
| 12 | CSNX | Cities Service Co., NGL Division | added 4/79; 1/80; eliminated 5/83 | | NRHS |
| 13 | CSNX | Cities Service Oil and Gas Corp. | added 5/83; eliminated 1/86 | | NRHS |
| 14 | CSNX | OXY Cities Service NGL Inc. | added 1/86; eliminated 7/88 | | NRHS |
| 15 | CSNX | OXY NGL Inc. | added 7/88 | | NRHS |
| 16 | CSNX | OXY USA Inc. | eliminated 4/92 | | NRHS |
| 17 | CSNX | Trident NGL, Inc. | added 4/92; eliminated 10/93; 1/94-7/2000 | | NRHS |
| 18 | CSNX | *NATIONAL CAR CO. {LINCOLN PACKING CO.; FRUIT GROWERS EXPRESS CO.] | | | PWRC |
| 19 | CSNX | +CITIES SERVICE OIL & GAS CORP (TRIDENT NGL, INC.) | | | PWRC |
| 20 | CSNX | Cities Service Oil and Gas Corporation (Trident NGL) | | | RSRV |
| 21 | CSNX | TRIDENT NGL INC | | | SCAC4 |