Company prefixes

 
 
8 9 A B C D E F G H I J K L M N O Ø P Q R S T U V W X Y Z
H& H0 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
HSWK HSWS HSWX
1 HSW Helena Southwestern R.R. Co. 1/1975; eliminated 10/1976; added 7/1979; 1/1980; eliminated 1/1989; eliminated 4/1989   NAKINA
2 HSW Helena Southwestern R.R. Co. 1/75; added 7/79; 1/80; eliminated 1/89; eliminated 4/89   NRHS
3 HSW Historischer Schienenverkehr Wesel e.V. Wesel D privat-bahn.de
4 HSW HELENA SOUTHWESTERN RAILROAD     PWRC
5 HSW Helena Southwestern Railroad     RSRV
6 HSW Historischer Schienenverkehr Wesel e.V.   DE VKM
7 HSWK HORNSCREW TRUCKING     SCAC4
8 HSWS HIGH SIERRA TRANSPORTATION LLC     SCAC4
9 HSWX Min-Ad, Inc. 4/1970; added 7/1970; eliminated 10/1970   NAKINA
10 HSWX Hercules Petroleum Co. 8/1920   NAKINA
11 HSWX Min-Ad, Inc. 4/70; added 7/70; eliminated 10/70   NRHS
12 HSWX *HERCULES PETROLEUM CO.     PWRC
13 HSWX *MIN-AD, INC.     PWRC