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
HFA HFB HFC HFD HFE HFF HFG HFH HFI HFJ HFK HFL HFM HFO HFP HFR HFS HFT HFW HFX HFY
HFXU
1 HFX Great Lakes Steel Corp. added 1/1955; 10/1957-4/1961; eliminated 10/1964   NAKINA
2 HFX Great Lakes Steel Corp.—Hanna Furnace Division 7/1937-4/1938; 1/1941-7/1954 (not listed)   NAKINA
3 HFX Great Lakes Steel Corp.--Hanna Furnace Division 1/52-4/61   NRHS
4 HFX GREAT LAKES STEEL CORP.     PWRC
5 HFXU MAGHREB CONTAINER INTERNATIONAL S.L   E BIC
6 HFXU AGENCE MARITIME FRANCE MAGREB     SCAC4