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
HDA HDB HDC HDD HDE HDF HDG HDH HDI HDJ HDK HDL HDM HDN HDO HDP HDR HDS HDT HDU HDV HDW HDX HDY
HDBA HDBB HDBE HDBG HDBQ HDBS HDBX
1 HDBS HOUND DOG BUS     SCAC4