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
R& R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 RA RB RC RD RE RF RG RH RI RJ RK RL RM RN RO RP RQ RR RS RT RU RV RW RX RY RZ RØ
RPA RPB RPC RPD RPE RPF RPG RPH RPI RPJ RPK RPL RPM RPN RPO RPP RPQ RPR RPS RPT RPU RPV RPW RPX
RPCC RPCD RPCI RPCL RPCN RPCO RPCP RPCU RPCV RPCX RPCZ
1 RPCX Railroad Passenger Car Numbering Bureau Inc. 7/2005 (not listed)   NAKINA
2 RPCX Robeson Process Co. 8/1920-10/1966; eliminated 10/1969   NAKINA
3 RPCX Ralston Purina Co. added 1/1974; 1/1975-1/1980; eliminated 7/1989   NAKINA
4 RPCX Robeson Process Co. 4/38-10/66; eliminated 10/69   NRHS
5 RPCX Ralston Purina Co. added 1/74; 1/75-1/80; eliminated 7/89   NRHS
6 RPCX *ROBESON PROCESS CO.     PWRC
7 RPCX *RALSTON PURINA CO.     PWRC
8 RPCX +RAILROAD PASSENGER CAR NUMBERING BUREAU, INC.     PWRC
9 RPCX Railroad Passenger Car Numbering Bureau     RSRV
10 RPCX RAILROAD PASSENGER CAR NUMBERING BU     SCAC4
11 RPCX Ralston Purina Co.   USA TRAFFIC