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
REA REB REC RED REE REF REG REH REI REJ REK REL REM REN REO REP REQ RER RES RET REU REV REW REX REY REZ
REHA REHB REHC REHD REHG REHI REHL REHM REHN REHO REHS REHX
1 REHG REHRIG PENN CO     SCAC4