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
HRLA HRLB HRLC HRLE HRLF HRLG HRLH HRLI HRLJ HRLL HRLP HRLQ HRLT HRLU HRLX HRLZ
1 HRLZ HUDSON RY EQUIPMENT CO     PWRC
2 HRLZ Hudson Railway Equipment     RSRV
3 HRLZ HUDSON RY EQUIPMENT CO     SCAC4