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

HTA HTB HTC HTD HTE HTF HTG HTH HTI HTJ HTK HTL HTM HTN HTO HTP HTQ HTR HTS HTT HTU HTV HTW HTX HTY HTZ

HTMA HTMC HTMF HTML HTMM HTMR HTMS HTMU