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
NC& NCA NCB NCC NCD NCE NCF NCG NCH NCI NCJ NCK NCL NCM NCN NCO NCP NCQ NCR NCS NCT NCU NCV NCW NCX NCY NCZ
NCYR NCYS NCYX
1 NCYX National Cylinder Gas, Division of Chemetron Corp. added 1/1960; 4/1961-1/1975; eliminated 4/1978   NAKINA
2 NCYX National Cylinder Gas Co. added 7/1954; 7/1954-10/1957; eliminated 10/1959   NAKINA
3 NCYX National Cylinder Gas Co. 10/57; eliminated 10/59   NRHS
4 NCYX National Cylinder Gas, Division of Chemetron Corp. added 1/60; 4/61-1/75; eliminated 4/78   NRHS
5 NCYX NATIONAL CYLINDER GAS, DIV. CHEMETRON CORP.     PWRC
6 NCYX NATIONAL CYLINDER GAS     SCAC3