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
HYA HYB HYC HYD HYE HYF HYG HYH HYI HYJ HYK HYL HYM HYN HYO HYP HYR HYS HYT HYU HYV HYW HYX
HYTA HYTI HYTK HYTL HYTP HYTT HYTX
1 HYTX Hytrans, Inc. added 7/1977; 1/1980; eliminated 10/1983   NAKINA
2 HYTX Hygrade Food Products Corp. 4/1947-7/1954; eliminated 10/1954   NAKINA
3 HYTX Hygrade Food Products Corp. Jan-52   NRHS
4 HYTX Hytrans, Inc. added 7/77; 1/80; eliminated 10/83   NRHS
5 HYTX HYGRADE FOOD PRODUCTS CORP.     PWRC