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

HTTA HTTB HTTD HTTG HTTH HTTI HTTM HTTN HTTP HTTQ HTTS HTTT HTTV HTTW HTTX