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
OTA OTB OTC OTD OTE OTF OTG OTH OTI OTJ OTK OTL OTM OTN OTO OTP OTQ OTR OTS OTT OTU OTV OTW OTX OTY OTZ
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
OTA OTB OTC OTD OTE OTF OTG OTH OTI OTJ OTK OTL OTM OTN OTO OTP OTQ OTR OTS OTT OTU OTV OTW OTX OTY OTZ
| 1 | OT | Oregon Trunk Ry. | 4/38-7/65 | NRHS | |
| 2 | OT | (SPS) OREGON TRUNK RY | PWRC | ||
| 3 | OT | Oregon Trunk Ry. | 1/1975-1/1980 | NAKINA | |
| 4 | OT | Oregon Trunk Ry. | 4/1938-7/1965 | NAKINA | |
| 5 | OT | Oregon Trunk Ry. (Spokane, Portland & Seattle Ry. Co.) | 10/1966 | NAKINA | |
| 6 | OT | Oregon Trunk Ry. (Spokane, Portland & Seattle Ry. Co.) | 7/1923-7/1935 | NAKINA | |
| 7 | OT | AB Östgötatrafiken | SE | VKM | |
| 8 | OT | Oregon Trunk Ry. (Spokane, Portland & Seattle Ry. Co.) | Oct-66 | NRHS | |
| 9 | OT | Oregon Trunk Ry. | 1/75-1/80 | NRHS | |
| 10 | OTA | Organizacion De Transportes Aereos | ICAO1 | ||
| 11 | OTAE | ORTEZ TRANSPORT | SCAC4 | ||
| 12 | OTAG | OSEGUERA TRUCKING CO INC | SCAC4 | ||
| 13 | OTAH | OLSON TRUCKING AND HAULING LLC | SCAC4 | ||
| 14 | OTAI | OT AFRICA LINE LTD | SCAC4 | ||
| 15 | OTAJ | OTA, JAMES, TRUCKING | SCAC3 | ||
| 16 | OTAL | OCEAN TRANSPORT AND LOGISTICS LLC | SCAC4 | ||
| 17 | OTAM | ON-TIME AMERICAN TRANSPORT INC | SCAC3 | ||
| 18 | OTAQ | OTA, KAREN TRUCKING | SCAC3 | ||
| 19 | OTAR | ONE TWO FIVE THREE SIX FIVE EIGHT ( | SCAC4 | ||
| 20 | OTAT | ORCHARDS TRUCK AND AUTO TOWING | SCAC3 | ||
| 21 | OTAT | OPENROAD TRUCKING INC | SCAC4 | ||
| 22 | OTAU | OT AFRICA LINE, LTD | SCAC3 | ||
| 23 | OTAU | DELMAS | SCAC4 | ||
| 24 | OTAY | OTAY MESA TRUCKING CORP | SCAC3 | ||
| 25 | OTBO | ORANGE TRUCK BROKERAGE | SCAC4 | ||
| 26 | OTBP | ONE FOUR ONE FOUR ZERO FOUR THREE ( | SCAC4 | ||
| 27 | OTCE | ONE TWO THREE (123) CAMP TRAILERS | SCAC4 | ||
| 28 | OTCG | ON-TIME CARTAGE INC | SCAC3 | ||
| 29 | OTCH | OTTUMWA COACHES INC | SCAC3 | ||
| 30 | OTCI | ON TIME CARRIERS INC | SCAC3 | ||
| 31 | OTCI | OLMSTED TRANSPORTATION CO INC | SCAC4 | ||
| 32 | OTCK | ORBIT TUNING CORP | SCAC4 | ||
| 33 | OTCL | OCEAN TRAMPING CO LTD | SCAC3 | ||
| 34 | OTCL | ONTRACC LOGISTICS INC | SCAC4 | ||
| 35 | OTCM | OWENS TRUCKING COMPANY | SCAC3 | ||
| 36 | OTCM | OT COMMUNICATIONS | SCAC4 | ||
| 37 | OTCN | OAK TANKER CORPORATION | SCAC4 | ||
| 38 | OTCO | Owensville Terminal Co., Inc. | Jul-00 | NRHS | |
| 39 | OTCO | OWENSVILLE TERMINAL COMPANY | PWRC | ||
| 40 | OTCO | Owensville Terminal Co., Inc. | 7/2000-7/2005 | NAKINA | |
| 41 | OTCO | Owensville Terminal | RSRV | ||
| 42 | OTCO | OWENSVILLE TERMINAL CO INC | SCAC4 | ||
| 43 | OTCP | OWENS, T C TRUCKING CO INC | SCAC3 | ||
| 44 | OTCQ | OSBORNE TRUCKING COMPANY | SCAC3 | ||
| 45 | OTCR | OAKDALE TRACTION CORPORATION | PWRC | ||
| 46 | OTCR | Oakdale Traction Corp. | 7/2005 | NAKINA | |
| 47 | OTCR | Oakdale Traction Corporation | RSRV | ||
| 48 | OTCR | OAKDALE TRACTION CORPORATION | SCAC4 | ||
| 49 | OTCT | OTC TRANSPORT CORPORATION | SCAC3 | ||
| 50 | OTCV | OTC TRANSPORTATION SERVICES INC | SCAC4 | ||
| 51 | OTCY | OLYMPIC TRANSPORT COMPANY INC | SCAC3 | ||
| 52 | OTDA | ON THE DOUBLE AIR EXPRESS INC | SCAC3 | ||
| 53 | OTDI | O T D INC | SCAC3 | ||
| 54 | OTDN | ON-TIME DELIVERY INC | SCAC4 | ||
| 55 | OTDQ | ON TIME DELIVERY | SCAC4 | ||
| 56 | OTDR | OUTDOOR TRADITION TOURS INC | SCAC3 | ||
| 57 | OTDS | ON TIME DELIVERY INC | SCAC4 | ||
| 58 | OTDV | O T DELIVERY SYSTEMS INC | SCAC3 | ||
| 59 | OTDV | O T DELIVERY SYSTEMS INC | SCAC4 | ||
| 60 | OTDW | ON THE DOUBLE WORLDWIDE COURIER LTD | SCAC3 | ||
| 61 | OTDW | OTD LOGISTICS INCORPORATED | SCAC4 | ||
| 62 | OTDX | O-T-D Corp. | 4/61-1/75; eliminated 1/80 | NRHS | |
| 63 | OTDX | O-T-D CORP | SCAC3 | ||
| 64 | OTDX | *O-T-D CORP. | PWRC | ||
| 65 | OTDX | +GREENBRIER MANAGEMENT SERVICES [GREENBRIER LEASING CORPORATION]) | PWRC | ||
| 66 | OTDX | Greenbrier Management Services, LLC | added 7/2005; 7/2005 | NAKINA | |
| 67 | OTDX | Greenbrier Leasing Corp. | added 1/1980; 1/1980-7/2000; eliminated 7/2005 | NAKINA | |
| 68 | OTDX | O-T-D Corp. | added 4/1958; 4/1961-1/1975; eliminated 1/1980 | NAKINA | |
| 69 | OTDX | Greenbrier Leasing Corporation | RSRV | ||
| 70 | OTDX | GREENBRIER MANAGEMENT SERVICES LLC | SCAC4 | ||
| 71 | OTDX | Greenbrier Leasing Corp. | added 1/80; 1/80-7/2000 | NRHS | |
| 72 | OTDY | ON TIME DELIVERY INC | SCAC3 | ||
| 73 | OTEB | ONE TWO SIX SEVEN EIGHT SEVEN THREE | SCAC4 | ||
| 74 | OTEE | ONE THREE EIGHT SIX NINE N | SCAC4 | ||
| 75 | OTEG | ON-TIME EXPRESS & LOGISTICS INC | SCAC4 | ||
| 76 | OTEI | OTTER EXPRESS INC | SCAC3 | ||
| 77 | OTEN | OSBURN TRUCKING ENTERPRISES INCORPO | SCAC3 | ||
| 78 | OTEN | ONE TWO EIGHT EIGHT NINE FOUR FOUR | SCAC4 | ||
| 79 | OTEQ | ON TIME EXPRESS INC | SCAC4 | ||
| 80 | OTER | ON TRACK EXPRESS | SCAC4 | ||
| 81 | OTES | ONTIME EXPEDITED SERVICES INC | SCAC3 | ||
| 82 | OTEU | CONSENT EQUIPMENT AB<span style="mso-spacerun: yes"> </span>SWEDEN | SCAC3 | ||
| 83 | OTEU | CONSENT EQUIPMENT AB | SCAC4 | ||
| 84 | OTEV | OP-TECH ENVIRONMENTAL SERVICES INC | SCAC4 | ||
| 85 | OTEW | ON TIME EXPRESS INC | SCAC4 | ||
| 86 | OTEX | OTEX TANK CAR CO. | PWRC | ||
| 87 | OTEX | Otex Tank Car Co. | 1/1943-1/1946 | NAKINA | |
| 88 | OTEX | Optima Tours BG /Oптима турс БГ | BG | VKM | |
| 89 | OTFB | ONE TWO FOUR THREE FIVE TWO ZERO (1 | SCAC4 | ||
| 90 | OTFC | ON THE FRINGE CUSTOM LEATHER LTD | SCAC4 | ||
| 91 | OTFD | ONE(1) TRADE FWDNG & SCM | SCAC4 | ||
| 92 | OTFE | ONE TWO FOUR THREE FOUR EIGHT TWO ( | SCAC4 | ||
| 93 | OTFG | OTTO FREIGHT SA DE CV | SCAC4 | ||
| 94 | OTFK | OLDE TOWN FUEL CO INC | SCAC4 | ||
| 95 | OTFN | ONTARIO BEST CARRIER INC | SCAC4 | ||
| 96 | OTFQ | ONE THREE FIVE SIX NINE NINE FIVE ( | SCAC4 | ||
| 97 | OTFS | ON TRACK FREIGHT SYSTEMS INC | SCAC4 | ||
| 98 | OTFV | ONE THREE FIVE SEVEN TWO T | SCAC4 | ||
| 99 | OTG | One Two Go Airlines | ICAO1 | ||
| 100 | OTGA | ORTEGA TRUCKING | SCAC4 |