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
HSA HSB HSC HSD HSE HSF HSG HSH HSI HSJ HSK HSL HSM HSN HSO HSP HSR HSS HST HSU HSV HSW HSX HSY HSZ
HSWK HSWS HSWX
1 HSW Aerocombi, S.A. Callsign: Iberswiss, E AVCODES
2 HSW Helena Southwestern R.R. Co. 1/1975; eliminated 10/1976; added 7/1979; 1/1980; eliminated 1/1989; eliminated 4/1989   NAKINA
3 HSW Helena Southwestern R.R. Co. 1/75; added 7/79; 1/80; eliminated 1/89; eliminated 4/89   NRHS
4 HSW Historischer Schienenverkehr Wesel e.V. Wesel D privat-bahn.de
5 HSW HELENA SOUTHWESTERN RAILROAD     PWRC
6 HSW Helena Southwestern Railroad     RSRV
7 HSW Historischer Schienenverkehr Wesel e.V.   DE VKM
8 HSWK HORNSCREW TRUCKING     SCAC4
9 HSWS HIGH SIERRA TRANSPORTATION LLC     SCAC4
10 HSWX Min-Ad, Inc. 4/1970; added 7/1970; eliminated 10/1970   NAKINA
11 HSWX Hercules Petroleum Co. 8/1920   NAKINA
12 HSWX Min-Ad, Inc. 4/70; added 7/70; eliminated 10/70   NRHS
13 HSWX *HERCULES PETROLEUM CO.     PWRC
14 HSWX *MIN-AD, INC.     PWRC