Real world company prefixes

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M n O P Q R S T U V W X Y Z Ø
D D& D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF DG DH DI DJ DK DL DM DN DO DP DQ DR DS DT DU DV DW DX DY DZ
DR& DRA DRB DRC DRD DRE DRF DRG DRH DRI DRJ DRK DRL DRM DRN DRO DRP DRQ DRR DRS DRT DRU DRV DRW DRX DRY DRZ
DRCA DRCE DRCG DRCH DRCK DRCL DRCN DRCO DRCP DRCT DRCU DRCW DRCX DRCY DRCZ
1 DRCX Martin Marietta Corp. added 1/1979; 1/1980; eliminated 7/1986   NAKINA
2 DRCX Martin-Marietta Cement, Division of Martin-Marietta Corp. added 10/1972; 1/1975; eliminated 1/1979   NAKINA
3 DRCX Dragon Cement Co., Division of Martin Marietta Corp. added 7/1969; 4/1970; eliminated 10/1972   NAKINA
4 DRCX Dragon Cement Co., Division of Martin Marietta Corp. added 7/69; 4/70; eliminated 10/72   NRHS
5 DRCX Martin-Marietta Cement, Division of Martin-Marietta Corp. added 10/72; 1/75; eliminated 1/79   NRHS
6 DRCX Martin Marietta Corp. added 1/79; 1/80; eliminated 7/86   NRHS
7 DRCX MARTIN MARIETTA CORP. [DENVER RAILWAY CAR COMPANY; DRAGON CEMENT CO.]     PWRC
8 DRCX Denver Railway Car Company (Martin Marietta Corporation)     RSRV