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
HYA HYB HYC HYD HYE HYF HYG HYH HYI HYJ HYK HYL HYM HYN HYO HYP HYR HYS HYT HYU HYV HYW HYX
HYCB HYCC HYCD HYCI HYCK HYCM HYCO HYCQ HYCT HYCW
1 HYCO HUSKEY BUS & TRANSPORTATION SERVICE     SCAC4