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

HRA HRB HRC HRD HRE HRF HRG HRH HRI HRJ HRK HRL HRM HRN HRO HRP HRQ HRR HRS HRT HRU HRV HRW HRX HRY HRZ

HRCA HRCB HRCD HRCF HRCG HRCH HRCK HRCO HRCS HRCU HRCX