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
O& O2 O3 O4 O5 O6 O7 O8 O9 OA OB OC OD OE OF OG OH OI OJ OK OL OM ON OO OP OQ OR OS OT OU OV OW OX OY OZ
OPA OPB OPC OPD OPE OPF OPG OPH OPI OPJ OPK OPL OPM OPN OPO OPP OPR OPS OPT OPU OPV OPW OPX
OPCC OPCI OPCM OPCO OPCR OPCS OPCU OPCX OPCY
1 OPCX General Electric Railcar Services Corp. added 7/1987; eliminated 1/1988   NAKINA
2 OPCX Permanente Cement Co. added 7/1959; 4/1961; eliminated 10/1961   NAKINA
3 OPCX The Olympic Portland Cement Co., Ltd. added 4/1954; 7/1954-10/1957; eliminated 7/1959   NAKINA
4 OPCX Fruit Growers Express Co. (reporting marks for Omaha Packing Co.) 7/1937-1/1950   NAKINA
5 OPCX Omaha Packing Co. (National Car Co.) Apr-38   NRHS
6 OPCX The Olympic Portland Cement Co., Ltd. added 4/54; 10/57; eliminated 7/59   NRHS
7 OPCX Permanente Cement Co. added 7/59; 4/61   NRHS
8 OPCX General Electric Railcar Services Corp. added 7/87; eliminated 1/88   NRHS
9 OPCX *OMAHA PACKING CO. (FRUIT GROWERS EXPRESS)     PWRC
10 OPCX *PERMANENTE CEMENT CO. [OLYMPIC PORTLAND CEMENT CO. LTD.]     PWRC
11 OPCX *GENERAL ELECTRIC RAILCAR SERVICES CORP.     PWRC