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
OVA OVB OVC OVD OVE OVF OVG OVH OVI OVL OVM OVN OVO OVP OVR OVS OVT OVV OVW OVX OVZ
OVEA OVEC OVED OVEE OVEG OVEH OVEK OVEL OVEN OVER OVES OVET OVEX
1 OVEX Ohio Valley Electric Co. added 1/1997; 7/2000-7/2005   NAKINA
2 OVEX Ohio Valley Electric Co. added 1/97; 7/2000   NRHS
3 OVEX OHIO VALLEY ELECTRIC COMPANY     PWRC
4 OVEX Ohio Valley Electric     RSRV
5 OVEX OHIO VALLEY ELECTRIC COMPANY     SCAC4