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
HSIA HSIJ HSIM HSIN HSIS HSIT HSIU HSIX HSIZ
1 HSI Heliswiss, Schweizerische Helikopter AG Callsign: Heliswiss, Name changed to Heliswiss International AG. CH AVCODES
2 HSI Heliswiss International AG Callsign: Heliswiss, Name changed to Swiss Helicopter AG. Name changed from Heliswiss, Schweizerische Helikopter AG. CH AVCODES
3 HSI Swiss Helicopter AG Callsign: Heliswiss, Name changed from Heliswiss International AG and previously from Heliswiss, Schweizerische Helikopter AG. CH AVCODES
4 HSI Heliswiss     ICAO1
5 HSIA HEATH & SONS INC     SCAC4
6 HSIJ HANSA STARS INC     SCAC4
7 HSIM HIGHWAY STAR INC     SCAC4
8 HSIN Hanshin Electric Railway   J TRAFFIC
9 HSINHO Hsinho Bus City: Taipei RC TRAFFIC
10 HSIS HICKENBOTTOM & SONS INC     SCAC4
11 HSIT HEIDEN STRINGED INSTRUMENTS     SCAC4
12 HSIU HOYER GLOBAL TRANSPORT   NL BIC
13 HSIU SHANGHAI HOYER SINOBULK TRANSPORT C     SCAC4
14 HSIX Housing Starts Inc. added 7/1995; eliminated 10/1997; 7/2000-7/2005 (not listed)   NAKINA
15 HSIX Housing Starts Inc. added 7/95; eliminated 10/97; 7/2000   NRHS
16 HSIX HOUSING STARTS INC.     PWRC
17 HSIX Housing Starts Inc.     RSRV
18 HSIZ HOLLY SUGAR INDUSTRY     PWRC