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
HOA HOB HOC HOD HOE HOF HOG HOH HOI HOJ HOK HOL HOM HON HOO HOP HOQ HOR HOS HOT HOU HOV HOW HOX HOY HOZ
HOSC HOSD HOSI HOSK HOSM HOSN HOSO HOSP HOSV
1 HOSC Hoosier Connection, The Indiana Eastern R.R. and Transportation, Inc. eliminated 7/1981; eliminated 1/1985   NAKINA
2 HOSC The Hoosier Connection 1/1980   NAKINA
3 HOSC Hoosier Connection, The Indiana Eastern R.R. and Transportation, Inc. added 7/1979   NAKINA
4 HOSC Hoosier Connection, The Indiana Eastern R.R. and Transportation, Inc. added 7/79   NRHS
5 HOSC The Hoosier Connection Jan-80   NRHS
6 HOSC Hoosier Connection, The Indiana Eastern R.R. and Transportation, Inc. eliminated 7/81; eliminated 1/85   NRHS
7 HOSC NORFOLK SOUTHERN [CONRAIL; PENN CENTRAL; PENNSYLVANIA RR; INDIANA & EASTERN RR]     PWRC
8 HOSC Indiana and Eastern Railroad: The Hoosier Connection (Norfolk Southern)     RSRV