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
HB& HBA HBB HBC HBD HBE HBF HBG HBH HBI HBJ HBK HBL HBM HBN HBO HBP HBR HBS HBT HBU HBV HBW HBX HBY
HBGI HBGL HBGM HBGO HBGP HBGR HBGS HBGU HBGX
1 HBGP HALLIBURTON GROUP CANADA     SCAC4