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
HMA HMB HMC HMD HME HMF HMG HMH HMI HMJ HMK HML HMM HMN HMO HMP HMR HMS HMT HMU HMV HMW HMX HMY HMZ
HMCA HMCD HMCE HMCG HMCH HMCI HMCJ HMCO HMCP HMCQ HMCR HMCT HMCU HMCX HMCY
1 HMCR The Huntsville and Madison County R.R. Authority added 7/1985; 1/1994; eliminated 4/1997; 7/2000-7/2005   NAKINA
2 HMCR The Huntsville and Madison County R.R. Authority 1/94; eliminated 4/97; 7/2000   NRHS
3 HMCR HUNTSVILLE & MADISON COUNTY RR AUTHORITY     PWRC
4 HMCR Huntsville and Madison County Railroad     RSRV