| 1 | SACX | PPG Industries, Inc. | added 4/1968; 4/1970; eliminated 10/1972 | | NAKINA |
| 2 | SACX | Pittsburgh Plate Glass Co. | added 4/1961; 4/1961-10/1966; eliminated 4/1968 | | NAKINA |
| 3 | SACX | Columbia-Southern Chemical Corp. | 1/1952-10/1957; eliminated 4/1961 | | NAKINA |
| 4 | SACX | Southern Alkali Corp. | 4/1938-1/1950 | | NAKINA |
| 5 | SACX | Columbia-Southern Chemical Corp. | 1/52-10/57; eliminated 4/61 | | NRHS |
| 6 | SACX | Pittsburgh Plate Glass Co. | added 4/61; 4/61-10/66; eliminated 4/68 | | NRHS |
| 7 | SACX | PPG Industries, Inc. | added 4/68; 4/70; eliminated 10/72 | | NRHS |
| 8 | SACX | *PPG INDUSTRIES [PITTSBURGH PLATE GLASS CO.; COLUMBIA - SOUTHERN CHEMICAL CO.; SOUTHERN ALKALI CORP.] | | | PWRC |
| 9 | SACX | *SANTA CLARITA RAILWAY | | | PWRC |
