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
O& O2 O3 O4 O5 O6 O7 O8 O9 OA OB OC OD OE OF OG OH OI OJ OK OL OM ON OO OP OQ OR OS OT OU OV OW OX OY OZ
OHA OHB OHC OHD OHE OHF OHG OHH OHI OHJ OHK OHL OHM OHN OHO OHP OHR OHS OHT OHV OHW OHY
OHGI OHGR OHGX
1 OHGX Otha H. Grimes (Grimes Gasoline Co.) 7/1937-4/1938; 1/1943-7/1954   NAKINA
2 OHGX Otha H. Grimes 7/1930-7/1935   NAKINA
3 OHGX Otha H. Grimes Apr-38   NRHS
4 OHGX Otha H. Grimes (Grimes Gasoline Co.) Jan-52   NRHS
5 OHGX GRIMES GASOLINE CO. [OTHA H. GRIMES]     PWRC