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
HCA HCB HCC HCD HCE HCF HCG HCH HCI HCJ HCK HCL HCM HCN HCO HCP HCQ HCR HCS HCT HCV HCW HCX HCY HCZ
HCSB HCSK HCST HCSU HCSX HCSY
1 HCSX Helm Chesapeake Limited Partnership added 10/2001; 7/2005   NAKINA
2 HCSX HELM CHESAPEAKE, LP     PWRC
3 HCSX Helm Chesapeake     RSRV
4 HCSX HELM CHESAPEAKE LIMITED PARTNERSHIP     SCAC4
5 HCSX Helm Chesapeake Limited Partnership   USA TRAFFIC