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
H& H0 H1 H2 H3 H4 H5 H6 H7 H8 H9 HA HB HC HD HE HF HG HH HI HJ HK HL HM HN HO HP HQ HR HS HT HU HV HW HX HY HZ
HEA HEB HEC HED HEE HEF HEG HEH HEI HEJ HEK HEL HEM HEN HEO HEP HEQ HER HES HET HEV HEW HEX HEY HEZ
HEWG HEWH HEWS HEWT
1 HEWT Houston East & West Texas Ry. 4/1938-7/1954   NAKINA
2 HEWT Houston East & West Texas Ry. (Southern Pacific Lines in Texas and Louisiana) 8/1920-7/1936   NAKINA
3 HEWT Houston & Shreveport R.R. (Southern Pacific Lines in Texas and Louisiana) 8/1920-7/1923   NAKINA
4 HEWT Houston East & West Texas Ry. 4/38-1/52   NRHS
5 HEWT HOUSTON EAST & WEST TEXAS RAILWAY     PWRC