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
RI& RIA RIB RIC RID RIE RIF RIG RIH RII RIJ RIK RIL RIM RIN RIO RIP RIR RIS RIT RIU RIV RIW RIX RIY RIZ
RIPA RIPD RIPE RIPH RIPL RIPM RIPN RIPO RIPP RIPR RIPT RIPX RIPZ
1 RIPX Rochester Independent Packer, Inc. added 7/1969; 4/1970-1/1980; eliminated 5/1983; 1/1994 (not listed)   NAKINA
2 RIPX Rock Island Petroleum Co. 8/1920   NAKINA
3 RIPX Rochester Independent Packer, Inc. added 7/69; 4/70-1/80; eliminated 5/83; 1/94   NRHS
4 RIPX *ROCK ISLAND PETROLEUM CO.     PWRC
5 RIPX *ROCHESTER INDEPENDENT PACKER, INC.     PWRC