List of reporting marks: O
O
OACX - Central Transportation, Inc.OAKX - Oak Ridge Waste & RecyclingOAR - Old Augusta RailroadOCCU - ATS Container Leasing SAOCCX - Occidental Chemical CompanyOCE - Oregon, California and Eastern RailwayOCEU - Oceanex Inc.OCFX - Owens Corning FiberglassOCLU - Overseas Containers, Ltd.OCNU - Ocean Lines, Inc.OCPX - Occidental Chemical Company; Oxy VinylsOCR - Oklahoma Central RailroadOCRR - Ottawa Central RailwayOCRX - Oil Creek Refining CompanyOCSU - Scripps Institute of OceanographyOCTL - Oil Creek and Titusville LinesOCTR - Octoraro RailwayOCTX - Octel America, Inc.ODTX - Oil-Dri Corporation of AmericaOEDX - Ohio Edison Company
- OERX - Southern California Railway MuseumOFCX - Ortner Freight Car CompanyOFOX - ResidcoOFSX - Tucson Electric Power CompanyOGEE - Ogeechee RailwayOGEX - Oklahoma Gas and Electric CompanyOGSX - Iowa Southern Utilities CompanyOHCR - Ohio Central RailroadOHFX - Fluor Daniel FernaldOHIC - Ohi-Rail CorporationOHIO - Ohio Terminal RailwayOHKU - Ohka American, Inc.OHOX - United States Department of Energy OHPA - Ohio and Pennsylvania RailroadOHRY - Owego and Harford RailwayOILX - GE Rail ServicesOJGX - Oscar J. GloverOJTX - Tauber Transportation CompanyOKAN - Okanagan Valley Railway OKCE - Okarche Central RailwayOKCX - Lone Star IndustriesOKKT - Oklahoma, Kansas and Texas Railroad; Union Pacific RailroadOLAU - Occidental Chemical CorporationOLB - Omaha, Lincoln and Beatrice RailwayOLDX - Old Line Holding Company, Inc.OLGX - Ineos Oligomers USA, LLCOLLU - Ocean Leasing, Ltd.OLNX - Olin CorporationOLO - Ontario L'Orignal RailwayOLYR - Olympic RailroadOLYU - Olympic Container CorporationOLYR - Olympic RailroadOLYX - Olympia Petroleum, Inc.OLYZ - Showa Line, Ltd.OMAX - Omaha Public Power DistrictOMID - Ontario Midland RailroadOMLP - Ohio Midland Light and PowerOMLX - OmniTRAX Leasing, Ltd.OMNX - Omnisource; Steel Dynamics.OMRX - Ozark Mountain RailcarOMSX - Ohio Mulch; J. T. Leasing, Inc.ONCT - Ontario Central RailroadONER - Ontario Eastern RailroadONRR - Ohio and National Railway CompanyONSX - Oglebay Norton Industrial Sands, Inc.ONT - Ontario Northland RailwayONTA - Ontario Northland RailwayONTX - On-Track Railcar Services, Inc.ONW - Oregon and Northwestern RailroadONYX - American Colloid CompanyOOCZ - Orient Overseas Line, Inc.OOLU - OOCLOOOX - Osborne, Inc.OOUU - Orient Overseas Line, Inc.OPE - Oregon, Pacific and Eastern RailwayOPIX - Equistar ChemicalsOPPX - Omaha Public Power DistrictOPR - Oregon Pacific RailroadOPSU - EMPOPSX - Public Service Company of OklahomaOPT - Orange Port Terminal RailwayOPX - Ohio Power CompanyOR - Owasco River RailwayORA - Ormet RailroadORCU - BSL TransportOREX - Oregon Department of AgricultureOROX - United States Department of Energy ORR - Osage RailroadOSCZ - Intermodal Services, Inc.OSL - Oregon Short Line; Union Pacific RailroadOSRX - Ontario Southland RailwayOSSU - Eurovos B.V.OTCO - Owensville Terminal CompanyOTCR - Oakdale Traction CorporationOTDX - Greenbrier Leasing CorporationOTPX - Otter Tail Power CompanyOTR - Oakland Terminal RailwayOTRX - On-Track Railway Services, Ltd.OTSX - On-Track Railway Services, Ltd.OTT - Ottumwa Terminal RailroadOTTX - TTX CorporationOTVR - Otter Tail Valley Railroad OUCH - Ouachita RailroadOUCX - Orlando Utilities CommissionOURD - Ogden Union Railway and Depot CompanyOVEX - Ohio Valley Electric CompanyOVNZ - Overnite Transportation CompanyOVO - Ottawa Valley RailwayOVR - Ohio Valley RailroadOWIX - Old World Transportation, Ltd.OWLU - Ocean World Lines, Inc.OWSX - Oil Well Supply CompanyOWTX - Shamrock Coal CompanyOXYU - Eurotainer US, Inc.