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
HSGA HSGC HSGL HSGP HSGR HSGW HSGZ
1 HSGP HARRIS, GENE PETROLEUM INC     SCAC4