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
ORA ORB ORC ORD ORE ORF ORG ORH ORI ORJ ORK ORL ORM ORN ORO ORP ORR ORS ORT ORU ORV ORW ORX ORY ORZ
OROB OROK ORON OROR OROS OROT OROU OROX
1 OROX U.S. Dept. of Energy, Oak Ridge Operations Office added 1/1978; 1/1980-1/1994; eliminated 7/1995; 7/2000-7/2005 (not listed)   NAKINA
2 OROX United States Energy Research and Development Administration, Oak Ridge Operations Office added 4/1975; eliminated 1/1978   NAKINA
3 OROX U.S. Atomic Energy Commission, Oak Ridge Operations Office eliminated 4/1975   NAKINA
4 OROX U.S. Atomic Energy Commission added 10/1969; 4/1970-1/1975   NAKINA
5 OROX U.S. Atomic Energy Commission added 10/69; 4/70-1/75   NRHS
6 OROX U.S. Atomic Energy Commission, Oak Ridge Operations Office eliminated 4/75   NRHS
7 OROX United States Energy Research and Development Administration, Oak Ridge Operations Office added 4/75; eliminated 1/78   NRHS
8 OROX U.S. Dept. of Energy, Oak Ridge Operations Office added 1/78; 1/80-1/94; eliminated 7/95; 7/2000   NRHS
9 OROX U.S. DEPART. OF ENERGY - OAK RIDGE OPERATIONS [U.S. ATOMIC ENERGY COMMISSION]     PWRC
10 OROX United States Department of Energy Oak Ridge Operations Office     RSRV