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

HPA HPC HPD HPE HPF HPG HPH HPI HPJ HPK HPL HPM HPN HPO HPP HPR HPS HPT HPU HPW HPX HPY

HPTC HPTD HPTF HPTG HPTI HPTJ HPTL HPTN HPTO HPTP HPTU HPTX