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
HNA HNB HNC HND HNE HNF HNG HNH HNI HNJ HNK HNL HNM HNN HNO HNP HNR HNS HNT HNV HNW HNX HNY HNZ
HNCA HNCF HNCH HNCL HNCM HNCP HNCQ HNCS HNCY
1 HNCS HUNSAKER OIL COMPANY INC     SCAC4