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
HWA HWB HWC HWD HWE HWF HWG HWH HWI HWJ HWK HWL HWM HWN HWO HWP HWR HWS HWT HWU HWV HWW HWX HWY HWZ
HWAD HWAP HWAR HWAS HWAW HWAY
1 HWAR HOWARD PETROLEUM CO     SCAC4