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

HPOC HPOD HPOQ HPOX