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
N& n/ N0 N1 N2 N3 N4 N5 N6 N7 N8 N9 NA NB NC ND NE NF NG NH NI NJ NK NL NM NN NO NP NQ NR NS NT NU NV NW NX NY NZ
NI& NIA NIB NIC NID NIE NIF NIG NIH NII NIJ NIK NIL NIM NIN NIO NIP NIQ NIR NIS NIT NIU NIV NIW NIX NIZ
NIWA NIWX
1 NIWX Northern Illinois & Wisconsin Ry. Corp. 7/2000-7/2005 (not listed)   NAKINA
2 NIWX Northern Illinois & Wisconsin Ry. Corp. Jul-00   NRHS
3 NIWX NORTHERN ILLINOIS & WISCONSIN RWY. CORP.     PWRC
4 NIWX Northern Illinois and Wisconsin Railway     RSRV
5 NIWX NORTHERN ILLINOIS & WISCONSIN RAILW     SCAC4