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
HWA HWB HWC HWD HWE HWF HWG HWH HWI HWJ HWK HWL HWM HWN HWO HWP HWR HWS HWT HWU HWV HWW HWX HWY HWZ
HWSC HWSD HWSK HWSN HWSU HWSV HWSX
1 HWSX Hiram Walker & Sons, Ltd. 7/1937-1/1975; eliminated 10/1977   NAKINA
2 HWSX Hiram Walker & Sons, Ltd. 4/38-1/75   NRHS
3 HWSX HIRAM WALKER & SONS,, LTD.     PWRC
4 HWSX WALKER, HIRAM & SONS LTD     SCAC3