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
DL& DLA DLB DLC DLD DLE DLF DLG DLH DLI DLJ DLK DLL DLM DLN DLO DLP DLQ DLR DLS DLT DLU DLV DLW DLX DLY DLZ
DLTB DLTC DLTD DLTE DLTF DLTI DLTJ DLTK DLTM DLTP DLTQ DLTU DLTX DLTY
1 DLTX Dale L. Thornborough 1/1980; added 7/1980; eliminated 10/1990; 1/1994-7/2005 (not listed)   NAKINA
2 DLTX Dale L. Thornborough 1/80; added 7/80; eliminated 10/90; 1/94-7/2000   NRHS
3 DLTX DALE L. THORNBOROUGH     PWRC
4 DLTX Dale L. Thornborough     RSRV
5 DLTX DALE L. THORNBOROUGH     SCAC4