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
NGA NGB NGC NGD NGE NGF NGG NGH NGI NGK NGL NGM NGN NGO NGP NGR NGS NGT NGU NGV NGW NGX NGY NGZ
NGTB NGTC NGTE NGTG NGTH NGTI NGTL NGTM NGTR NGTS NGTU NGTW NGTX
1 NGTX Suburban Propane L.P. added 4/1997; 7/2000; eliminated 7/2003; 7/2005 (not listed)   NAKINA
2 NGTX Suburban Propane-Division of Quantum Chemical Corp. 1/1994; eliminated 4/1997   NAKINA
3 NGTX Vangas, Inc. added 7/1977; 1/1980; eliminated 4/1989   NAKINA
4 NGTX Northern Gas Co., Inc. added 7/1964; 7/1965-1/1975; eliminated 10/1976   NAKINA
5 NGTX Vangas, Inc. added 7/77; 1/80; eliminated 4/89   NRHS
6 NGTX Northern Gas Co., Inc. added 7/64; 7/65-1/75   NRHS
7 NGTX Suburban Propane-Division of Quantum Chemical Corp. 1/94; eliminated 4/97   NRHS
8 NGTX Suburban Propane L.P. added 4/97; 7/2000   NRHS
9 NGTX SUBURBAN PROPANE, DIV. OF QUANTUM CHEMICAL CORP. [VANGAS INC.; NORTHERN GAS CO.]     PWRC
10 NGTX Vangas (Suburban Propane)     RSRV
11 NGTX NORTHERN GAS CO INC     SCAC3