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
ON& ONA ONB ONC OND ONE ONF ONG ONH ONI ONJ ONK ONL ONM ONN ONO ONP ONR ONS ONT ONV ONW ONX ONY
ONEA ONEB ONED ONEE ONEF ONEG ONEH ONEI ONEJ ONEL ONEN ONEP ONEQ ONER ONES ONET ONEU ONEW ONEX ONEY
1 ONER Ontario Eastern R.R. Corp. added 7/1982; eliminated 4/1986   NAKINA
2 ONER Ontario Eastern R.R. Corp. added 7/82; eliminated 4/86   NRHS
3 ONER ONTARIO EASTERN RAILROAD     PWRC
4 ONER Ontario Eastern Railroad     RSRV
5 ONER OHIO NORTHERN EXPRESS INC     SCAC4