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
HSRA HSRC HSRG HSRN HSRO HSRR HSRS HSRT HSRW HSRZ
1 HSRA H & S TRANSPORTATION INC     SCAC4