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

HKA HKB HKC HKD HKE HKF HKG HKH HKI HKJ HKK HKL HKM HKN HKO HKP HKR HKS HKT HKU HKV HKW HKX HKY HKZ

HKTD HKTI HKTK HKTN HKTO HKTU