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
OMA OMB OMC OMD OME OMF OMG OMH OMI OMJ OMK OML OMM OMN OMO OMP OMR OMS OMT OMU OMV OMW OMX OMZ
OMIA OMIC OMID OMIE OMIH OMIL OMIQ OMIR OMIS OMIT OMIY
1 OMID Ontario Midland R.R. Corp. added 1/1980; 1/1980-7/2000; eliminated 4/2005; 7/2005   NAKINA
2 OMID Ontario Midland R.R. Corp. added 1/80; 1/80-7/2000   NRHS
3 OMID ONTARIO MIDLAND RAILROAD CORP.     PWRC
4 OMID Ontario Midland Railroad     RSRV
5 OMID ONTARIO MIDLAND RAILROAD CORPORATIO     SCAC3
6 OMID Ontario Midland Railroad Corporation   CDN TRAFFIC