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
HOA HOB HOC HOD HOE HOF HOG HOH HOI HOJ HOK HOL HOM HON HOO HOP HOQ HOR HOS HOT HOU HOV HOW HOX HOY HOZ
HOXP
1 HOX Union Tank Car Co. 1/1950 (not listed)   NAKINA
2 HOX Humble Oil & Refining Co. 8/1920-4/1947   NAKINA
3 HOX Humble Oil & Refining Co. Apr-38   NRHS
4 HOX *HUMBLE OIL & REFINING CO.     PWRC
5 HOX *UNION TANK CAR CO.     PWRC
6 HOX Humble Oil & Refining Co.   USA TRAFFIC
7 HOXP HOWARD'S EXPRESS, INC     SCAC1
8 HOXP HOWARDS EXPRESS, INC     SCAC4