1 | MMSX | Blue Circle Inc. | added 7/1983; eliminated 4/1987 | | NAKINA |
2 | MMSX | Martin Marietta Corp. | added 1/1979; 1/1980; eliminated 7/1983 | | NAKINA |
3 | MMSX | Martin Marietta Cement, Division of Martin Marietta Corp. | added 1/1975; 1/1975; eliminated 1/1979 | | NAKINA |
4 | MMSX | Martin Marietta Cement, Division of Martin Marietta Corp. | added 1/75; 1/75; eliminated 1/79 | | NRHS |
5 | MMSX | Martin Marietta Corp. | added 1/79; 1/80 | | NRHS |
6 | MMSX | Blue Circle Inc. | eliminated 4/87 | | NRHS |
7 | MMSX | BLUE CIRCLE INC. {MARTIN MARIETTA CORP.] | | | PWRC |
8 | MMSX | Blue Circle | | | RSRV |