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

HHA HHB HHC HHD HHE HHF HHG HHH HHI HHJ HHK HHL HHM HHN HHO HHP HHQ HHR HHS HHT HHU HHV HHW HHX HHy

HHDC HHDK HHDR