Real world company prefixes
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O& 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
O& 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
| 1 | OR | Owasco River | 1/75-1/80 | NRHS | |
| 2 | OR | *OAHU RAILWAY, INC. | PWRC | ||
| 3 | OR | *OWASCO RIVER RAILWAY | PWRC | ||
| 4 | OR | Owasco River | 1/1975-1/1980 | NAKINA | |
| 5 | OR | Owasco River Railway | RSRV | ||
| 6 | ORA | Ormet R.R. Corp. | Jul-00 | NRHS | |
| 7 | ORA | Long Island Airlines | ICAO1 | ||
| 8 | ORA | ORMET RAILROAD CORP. | PWRC | ||
| 9 | ORA | Ormet R.R. Corp. | 7/2000-7/2005 | NAKINA | |
| 10 | ORA | Ormet Railroad | RSRV | ||
| 11 | ORAC | ORANGE COUNTY DELIVERY SERVICE INC | SCAC4 | ||
| 12 | ORAD | ORCON DE MEXICO S A DE C V | SCAC4 | ||
| 13 | ORAG | ORSAG TRUCKING | SCAC4 | ||
| 14 | ORAN | ORANGE EMPIRE TRUCK LINES, INC | SCAC3 | ||
| 15 | ORAN | ORANGE TERMINAL | PWRC | ||
| 16 | ORAN | ORANGE TKO | SCAC4 | ||
| 17 | ORAU | ORIENT AUSTRALIA PTY LTD | SCAC4 | ||
| 18 | ORB | Orenburg Airlines | IATA: R2 | ICAO1 | |
| 19 | ORB | ORANGE BELT STAGES | SCAC4 | ||
| 20 | ORBA | ORBITRANS AIR FREIGHT INC | SCAC3 | ||
| 21 | ORBC | ORBCO | SCAC3 | ||
| 22 | ORBI | ORBITAL TRANSPORT INC | SCAC3 | ||
| 23 | ORBM | ORMSBY & BAUMEZ JR | SCAC3 | ||
| 24 | ORBN | ORBIT TRANSPORT & STORAGE INC | SCAC3 | ||
| 25 | ORBN | ORBIS EXPRESS INC | SCAC4 | ||
| 26 | ORBO | ORTON, BOB TRUCKING | SCAC4 | ||
| 27 | ORBQ | ORBIT MOVING & STORAGE INC | SCAC3 | ||
| 28 | ORBQ | ORBIT MOVING & STORAGE INC | SCAC4 | ||
| 29 | ORBU | ENTERPRISE CONTAINER LINES | SCAC3 | ||
| 30 | ORBU | ORBIT CHEMICAL INDUSTRIES LTD | SCAC4 | ||
| 31 | ORBY | ORMSBY TRUCKING INC | SCAC3 | ||
| 32 | ORBY | ORMSBY TRUCKING INC | SCAC4 | ||
| 33 | ORC | OGEECHEE RAILROAD CO. | PWRC | ||
| 34 | ORC | OGEECHEE RAILROAD COMPANY | SCAC4 | ||
| 35 | ORCA | ORCAS ISLAND FREIGHT LINES, INC | SCAC3 | ||
| 36 | ORCA | ORCAS ISLAND FREIGHT LINES INC | SCAC4 | ||
| 37 | ORCD | ORCHARD TRANSPORT LTD | SCAC3 | ||
| 38 | ORCD | ORCHARD TRANSPORT LTD | SCAC4 | ||
| 39 | ORCF | ORCHARD HILL FARMS INC | SCAC4 | ||
| 40 | ORCK | O R TRUCKING | SCAC3 | ||
| 41 | ORCL | ORACLE TRANSPORT INC | SCAC4 | ||
| 42 | ORCN | OIL RE-REFINING CO INC | SCAC4 | ||
| 43 | ORCO | OHIO RIVER COMPANY, THE | SCAC3 | ||
| 44 | ORCQ | ORICA LINES | SCAC3 | ||
| 45 | ORCS | ORCAL TRANSPORT SERVICES INCORPORAT | SCAC3 | ||
| 46 | ORCT | ORILLIA CITY TRUCKLINES LTD | SCAC3 | ||
| 47 | ORCU | BSL TRANSPORT | PWRC | ||
| 48 | ORCU | BSL Transport | RSRV | ||
| 49 | ORCU | ORCA CONTAINER ASSET MANAGEMENT | SCAC4 | ||
| 50 | ORCX | Oklahoma Refining Co. | Apr-38 | NRHS | |
| 51 | ORCX | OKLAHOMA REFINING CO. | PWRC | ||
| 52 | ORCX | Oklahoma Refining Co. | 7/1937-4/1938 | NAKINA | |
| 53 | ORCX | The Neatesfoot Oil Refineries Corp. | 7/1935 | NAKINA | |
| 54 | ORCZ | OHIO RIVER COMPANY | PWRC | ||
| 55 | ORD | Orange Air Services | ICAO1 | ||
| 56 | ORDB | ORANGE DISTRIBUTION INC | SCAC3 | ||
| 57 | ORDC | OROURKE DISTRIBUTING CO | SCAC3 | ||
| 58 | ORDJ | ORANGE TRUCKING INC | SCAC3 | ||
| 59 | ORDL | ORDER SHIPPING LIMITED | SCAC3 | ||
| 60 | ORDL | ORDILLE, P N INC | SCAC4 | ||
| 61 | ORDT | ORCUTT, DUANE TRUCKING | SCAC3 | ||
| 62 | ORDW | ORDWAY TRUCKING | SCAC3 | ||
| 63 | ORE | Orange Aviation | ICAO1 | ||
| 64 | OREC | OMEGA RECICLYNG | SCAC4 | ||
| 65 | OREE | ORIENTAL EXPRESS | SCAC3 | ||
| 66 | OREG | OREGRO SEEDS INC | SCAC4 | ||
| 67 | OREK | OAK RIDGES ENTERPRISES INC | SCAC4 | ||
| 68 | OREN | ORENELAS ARMENTA, PABLO | SCAC4 | ||
| 69 | OREQ | OREGON TRUCK LINE | SCAC3 | ||
| 70 | ORER | ORNELAS RIVERA, JOSE DE JESUS | SCAC4 | ||
| 71 | ORET | OREGON TRANSFER CO | SCAC3 | ||
| 72 | ORET | OREGON TRANSFER CO | SCAC4 | ||
| 73 | OREU | ORIENT EXPRESS LLC | SCAC4 | ||
| 74 | OREX | REA Express | added 10/70; eliminated 4/74 | NRHS | |
| 75 | OREX | *OMAHA REFINING CO. | PWRC | ||
| 76 | OREX | *REA EXPRESS, INC. (RAILWAY EXPRESS AGENCY, INC.) | PWRC | ||
| 77 | OREX | +OREGON DEPARTMENT OF AGRICULTURE | PWRC | ||
| 78 | OREX | Oregon Dept. of Agriculture | 1/1994-7/2005 (not listed) | NAKINA | |
| 79 | OREX | REA Express, Inc. | added 10/1970; added 1/1971; eliminated 4/1974 | NAKINA | |
| 80 | OREX | REA Express, owned and operated by Railway Express Agency, Inc. | eliminated 1/1971 | NAKINA | |
| 81 | OREX | REA Express | added 10/1970 | NAKINA | |
| 82 | OREX | Omaha Refining Co. | 8/1920 | NAKINA | |
| 83 | OREX | Oregon Department of Agriculture | RSRV | ||
| 84 | OREX | OREGON DEPARTMENT OF AGRICULTURE | SCAC4 | ||
| 85 | OREX | Oregon Dept. of Agriculture | 1/94-7/2000 | NRHS | |
| 86 | OREY | OSPREY SHIPPING LLC | SCAC4 | ||
| 87 | ORF | Oman Royal Flight | ICAO1 | ||
| 88 | ORFC | ORDWAY-FRAZER CARTAGE INC | SCAC3 | ||
| 89 | ORFR | OVER-RIDE FREIGHT INC | SCAC3 | ||
| 90 | ORFR | OROES FREIGHT SERVICE | SCAC4 | ||
| 91 | ORFW | OREGON FREIGHTWAYS INC | SCAC3 | ||
| 92 | ORGB | ORANGEBURG TRUCKING INC | SCAC3 | ||
| 93 | ORGB | ORGANIZACION EMBALSE | SCAC4 | ||
| 94 | ORGC | ORANGE COURIER INC | SCAC4 | ||
| 95 | ORGE | ORGANIC EXPRESS INC | SCAC4 | ||
| 96 | ORGL | ORGILL INC | SCAC4 | ||
| 97 | ORGM | OR GOURMET INC | SCAC4 | ||
| 98 | ORGN | OREGON FOOD EXPRESS | SCAC3 | ||
| 99 | ORGO | OREGON GLASS INC | SCAC3 | ||
| 100 | ORGP | OREGON PROCESSING & RECOVERY CENTER | SCAC3 |