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
OKA OKB OKC OKD OKE OKF OKG OKI OKJ OKK OKL OKM OKN OKO OKP OKR OKS OKT OKW OKX OKY
OKRE OKRG OKRS OKRT OKRX
1 OKRE OAK RIDGE ENTERPRISES INC     SCAC3
2 OKRG OAKRIDGE TRANSPORT     SCAC3
3 OKRS OKLAHOMA RIG & SUPPLY CO TRANS INC     SCAC3
4 OKRT OJALA, KEN R TRUCKING     SCAC3
5 OKRT ONKAR TRUCKING     SCAC4
6 OKRX Oklahoma Railway Museum, Ltd. added 10/2003; eliminated 1/2004; 7/2005 (not listed)   NAKINA
7 OKRX OKLAHOMA RAILWAY MUSEUM, LTD.     PWRC
8 OKRX OKLAHOMA RAILWAY MUSEUM LTD     SCAC4