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
NNA NNB NNC NND NNE NNF NNG NNH NNI NNK NNL NNM NNO NNP NNQ NNR NNS NNT NNV NNW NNX NNY NNZ
NNEA NNEC NNEF
1 NNE NORFOLK SOUTHERN RAILWAY COMPANY [NEW ORLEANS & NORTHEASTERN RR]     PWRC
2 NNEA NAVEX-NAVIGA     SCAC4
3 NNEC NOONAN ENERGY CORP     SCAC4
4 NNEF NINE ONE FOUR ZERO-ONE NINE NINE TW     SCAC4