RAILROAD REPORTING MARKS -- O


REPORTING MARK SUFFIXES

X PRIVATE CAR OWNERS
U CONTAINERS
Z TRAILERS

  See Railroad Reporting Mark Index Page for a detailed explanation of these listings

O&A	   ORANGE & ALEXANDRIA RWY. (SOUTHERN RWY.; 
PIEDMONT AIR LINE OF RICHMOND & DANVILLE RAILROAD SYSTEM)
O&C OXFORD & CLARKSVILLE RAILROAD (SOUTHERN RWY.;
PIEDMONT AIR LINE OF RICHMOND & DANVILLE RAILROAD SYSTEM)
O&CM OAKDALE & CUMBERLAND MOUNTAIN RAILROAD (SOUTHERN RWY.;
KENNESAW ROUTE OF EAST TENNESSEE, VIRGINIA & GEORGIA RWY.)
O&G OAKDALE & GULF RWY. CO.
O&H OXFORD & HENDERSON RAILROAD (SOUTHERN RWY.;
PIEDMONT AIR LINE OF RICHMOND & DANVILLE RAILROAD SYSTEM)
O&W NEW YORK, ONTARIO & WESTERN RWY. CO.
OA&M ORANGE, ALEXANDRIA & MANASSAS RAILROAD (SOUTHERN RWY.;
PIEDMONT AIR LINE OF RICHMOND & DANVILLE RAILROAD SYSTEM)
OACH CENTRAL TRANSPORTATION CO. {O.A. COOPER CO.}
OACX CENTRAL TRANSPORTATION CO.
OAG OLD AUGUSTA RAILROAD COMPANY
OALX OREGON-AMERICAN LUMBER CORP.
OAMX OMAHA ALFALFA MILLING CO.
OAR OLD AUGUSTA RAILROAD LLC
OBCX NEATSFOOT OIL REFINERIES CORP.
OBMZ OLD BEN #21 MINE
OBPA *RETIRED 04-15-93 ATP (580)
OBPA *OGDENSBURG BRIDGE & PORT AUTHORITY
OBRX OREGON BEVERAGE RECYCLING COOPERATIVE
OBTL ORSCHELN BROS TRUCK LINE
OC OLIN CORPORATION
OCAX BLUE CUBE OPEATIONS LLC
OCCU ATS CONTAINER LEASING S.A.
OCCX OCCIDENTAL CHEMICAL CORP., AGRICULTURAL PRODUCTS
OCCZ OCCIDENTAL CHEMICAL CORP.
OCE RETIRED 06-05-92 (603) ATP [OREGON, CALIFORNIA & EASTERN RY.]
OCEX OREGON COASTLINE EXPRESS
OCFX *CSX TRANSPORTATION (RETIRED 06-24-93)
OCFX *OWENS CORNING FIBERGLAS
OCFX +IOWA FERTILIZER CO.
OCGX PURE OIL CO. [OHIO CITIES GAS CO.]
OCHZ OIL CITY HISTORICAL SOCIETY
OCIDA ONEIDA COUNTY INDUSTRIAL DEVELOPMENT AGENCY
OCIZ ONEIDA COUNTY INDUSTRIAL DEVELOPMENT AGENCY
OCJ OKLAHOMA CITY JUNCTION RAILWAY CO.
OCL OTTUMWA CONNECTING LINE
OCLU OVERSEAS CONTAINERS, LTD.
OCN OLDE COLONY & NEW PORT
OCNU OCEAN LINES INC.
OCOX O'BANNON CO.
OCOZ IWENS CORNING
OCPX OXY VINYLS LP (OCCIDENTAL CHEMICAL CORP., PVC RESINS)
OCR OKLAHOMA CENTRAL RAILROAD CO.
OCRR OTTAWA CENTRAL RWY
OCRX *OIL CREEK REFINING CO.
OCRX +OKLAHOMA CENTRAL RAILROAD
OCSM AMERICAN PRESIDENT INTERMODAL COMPANY
OCSS OCEANIC STEAMSHIP LINES
OCSX OMAHA COLD STORAGE CO.
OCSU SCRIPPS INSTITUTE OF OCEANOGRAPHY
OCT OCTORARO RAILWAY INC
OCTL OIL CREEK & TITUSVILLE LINES
OCTR MORRISTOWN & ERIE RWY. CO. dba OCTORARO RAILROAD
OCTX OCTEL AMERICA INC.
OCVX *OZARK CIDER & VINEGAR CO.
OCVX *GREGORY-ROBINSON-SPEAS, INC.
OCW OCEAN CITY WESTERN RAILROAD
OD&W ONIEDA & WESTERN RAILROAD
ODBZ OLD BEN #24 MINE
ODCX OLD DOMINION CHAPTER, NATIONAL RWY HISTORICAL SOCIETY
ODOT OKLAHOMA DEPARTMENT OF TRANSPORTATION
ODOX OLD DOMINION OIL CO.
ODRM OLD DOMINION CHAPTER - NRHS INC
ODRX OZARK REFINING CO.
ODTX OIL-DRI CORP. OF AMERICA
OE *OHIO ELECTRIC RAILWAY CO.
OE *(BN) RETIRED 10-12-92 ATP [SPOKANE, PORTLAND & SEATTLE RWY. CO.;
OREGON ELECTRIC RWY.(SPS)]
OE *ORION EXPRESS
OECX OLDBURY ELECTRO-CHEMICAL CO.
OEDX OHIO EDISON COMPANY
OELX O.E. LINSIN, INC.
OER OREGON ELECTRIC RAILWAY
OERR OREGON EASTERN RAILROAD
OERY ORANGE EMPIRE RAILWAY MUSEUM
OEX OAK EXTRACT CO.
OEXX ORFORD EXPRESS INC.
OFAX RESIDCO
OFBX RESIDCO
OFCX *ORTNER FREIGHT CAR CO.
OFCX +RESIDCO
OFDX RESIDCO
OFEX RESIDCO
OFGX OSAGE GASOLINE CORP.
OFIX JAVA COCONUT OIL CO. LTD. OR NEW YORK [OLIE FABRIEKEN INSTITUTE]
OFKX WITCO CHEMICAL [KOCH TANK LINE; OTTO KOCH]
OFOX RESIDCO
OFPX OTOE FOOD PRODUCTS CO.
OFSX *OGDEN FINANCIAL SERVICES CORP.
OFSX *TUCSON ELECTRIC POWER COMPANY
OFSX +ENVIROSOLUTIONS INC.
OGCX OSAGE GASOLINE CO.
OGCZ OVERLAND GRAIN CO.
OGE OREGON GREAT EASTERN
OGEE OGEECHEE RAILWAY COMPANY
OGEX OKLAHOMA GAS & ELECTRIC CO.
OGEZ OGDAN ELEVATOR
OGIX O&G INDUSTRIES INC.
OGOX OKLAHOMA GASOLINE & OIL CO.
OGPX OKLAHOMA GASOLINE PLANTS, INC.
OGSX ALLIANT ENERGY {IES UTILITIES INCORPORATED;
IOWA SOUTHERN UTILITIES CO.]
OHCR OHIO CENTRAL RAILROAD SYSTEM [COLUMBUS & OHIO RIVER RAILROAD CO.]
OHCX STAUFFER CHEMICAL CO. - EASTERN BRANCH [OLD HICKORY CHEMICAL CO.]
OHFX *FLUOR DANIEL FERNALD
OHFX +US DEPT. OF ENERGY EM CONSOLIDATED BUSINESS CENTER
OHGX GRIMES GASOLINE CO. [OTHA H. GRIMES]
OHIC OHI-RAIL CORP.
OHIO OHIO TERMINAL RWY CO.
OHKU OHKA AMERICAN INC. USA
OHOX U.S. DEPARTMENT OF ENERGY (OHIO FIELD)
OHPA OHIO CENTRAL RAILROAD SYSTEM (OHIO & PENNSYLVANIA RAILROAD)
OHPX MERCHANTS DESPATCH TRANSPORTATION CORP.
OHRY OWEGO & HARTFORD RAILWAY INC
OHSX SCHOENWALD PETROLEUM CO. [O. H. SCHOENWALD]
OHTX O & H TRANSPORT, INC.
OIDZ OIL DRY
OIER INDIANA & OHIO RAIL SYSTEM
OILX *TRANSCONTINENTAL TRANSPORT [OIL TANK LINE CO.]
OILX *(NATX) GENERAL ELECTRIC RAILCAR SERVICES CORPORATION
OIMT OIM TRANSIT CORP
OJGX OSCAR J. GLOVER
OJTX TAUBER TRANSPORTATION CO. [O. J. TAUBER]
OK OKLAHOMA RAILWAY CO.
OKAN OKANAGAN VALLEY RWY (OMNITRAX)
OKCE OKARCHE CENTRAL RWY
OKCT OKARCHE CENTRAL RWY
OKCX LONE STAR INDUSTRIES INC. [LOUISIANA CEMENT CO.; OKC CORP.]
OKEX OKEX INC. (OKEE INC.)
OKGE OKLAHOMA GENERAL ELECTRIC
OKKT UP [MISSOURI PACIFIC] [OKLAHOMA KANSAS & TEXAS RR.]
OKLX OKLAHOMA TANK CAR CO.
OKLZ OKLAHOMA FEED
OKRX OKLAHOMA RAILWAY MUSEUM LTD.
OKT OKLAHOMA KANSAS & TEXAS RAILROAD CO.
OL&I UTAH IDAHO CENTRAL RAILROAD CO. [OGDEN, LOGAN & IDAHO RWY. CO.]
OLAU OCCIDENTAL CHEMICAL CORP. ECHEM & SPECIALTY PROD.
OLB OMAHA, LINCOLN & BEATRICE RWY CO.
OLBZ OLD BEN #25 MINE
OLDX OLD LINE HOLDING COMPANY INC
OLFZ OLYMPIC FOUNDRY
OLGX *INEOS OLIGOMERS, DIV. INEOS USA LLC
OLGX +INEOS OLIGOMERS USA LLC, affiliate of INEOS USA LLC
OLI UTAH IDAHO CENTRAL RAILROAD CO. [OGDEN, LOGAN & IDAHO RWY. CO.]
OLLU OCEAN LEASING LTD.
OLNX OLIN CHLOR ALKALI LOGISTICS (OLIN CORP.)
OLO ONTARIO L'ORIGNAL RWY INC.
OLSS OLYMPIC STEAMSHIP CO.
OLSX ADM TRANSPORTATION CO.
OLTX OVERLAND TANK CAR CO.
OLWX OHIO LOCOMOTIVE WORKS LLC
OLYG SHOWA LINE, LTD.
OLYR OLYMPIC RAILROAD CO.
OLYU OLYMPIC CONTAINER CORP.
OLYX *OLYMPIA PETROLEUM, INC.
OLYX +PORT OF OLYMPIA
OLYZ SHOWA LINE, LTD.
OLZ ONTARIO LOCOMOTIVE
OMAX OMAHA PUBLIC POWER DISTRICT
OMCX *O-M CORP.
OMCX +OLDCASTLE MATERIALS CEMENT HOLDINGS INC.
OMCZ OKEENE MILLING COMPANY
OMID ONTARIO MIDLAND RAILROAD CORP.
OMLP OHIO MIDLAND LIGHT & POWER
OMLX OMNITRAX LEASING LTD.
OMNX OMNISOURCE CORP.
OMRX *OSCAR MAYER & CO. (MATHER STOCK CAR CO.)
OMRX +OZARK MOUNTAIN RAILCAR LLC
OMSX J. T. LEASING CO. dba OHIO MULCH
OMX OSCAR MAYER & CO. (NCCO [FRUIT GROWERS EXPRESS])
OMZ OMAK MILL
ON&P OKLAHOMA, NEW MEXICO & PACIFIC RWY.
ONCM OREG NEV CALIF FAST FRT
ONCT ONTARIO CENTRAL RAILROAD CORP.
ONCX OPERATION NATIONAL CONCERN
ONCZ OWENS NEWS CORP.
ONER ONTARIO EASTERN RAILROAD
ONEX ONETA REFINING CO.
ONRY OGDENSBURG BRIDGE & PORT AUTHORITY
ONS OKLAHOMA NATIONAL STOCKYARDS
ONSX OGLEBAY NORTON INDUSTRIAL SANDS, INC.
ONT ONTARIO NORTHLAND RWY
ONTA ONTARIO NORTHLAND RWY (ONTARIO NORTHLAND TRANS. COMMISSION)
ONTX ON-TRACK RAILCAR SERVICES INC.
ONW OREGON & NORTHWESTERN RAILROAD CO.
ONYX AMERICAN COLLOID COMPANY
OOCL ORIENT OVERSEAS CONTAINER LINE, INC.
OOCZ ORIENT OVERSEAS LINE, INC.
OOLU ORIENT OVERSEAS CONTAINER LINE, INC.
OOLC ORIENT OVERSEAS CONTAINER LINE, INC.
OOOX OSBORNE INC.
OORX CHARTRAND'S TANK CAR SERVICE (OPELOUSAS OIL REFINERY)
OOUU ORIENT OVERSEAS LINE, INC.
OPAX OXFORD PAPER CO.
OPCX *OMAHA PACKING CO. (FRUIT GROWERS EXPRESS)
OPCX *PERMANENTE CEMENT CO. [OLYMPIC PORTLAND CEMENT CO. LTD.]
OPCX *GENERAL ELECTRIC RAILCAR SERVICES CORP.
OPDZ OMAHA POWER DISTRICT
OPE OREGON, PACIFIC & EASTERN RWY CO.
OPEG OREGON, PACIFIC & EASTERN RWY CO.
OPFX CIA OCCIDENTAL DE PRODUCTOS FORESTALES, SA
OPGX OKLAHOMA PETROLEUM & GASOLINE CO.
OPIX EQUISTAR CHEMICALS LP [OCCIDENTAL CHEMICAL CORP., - PETROCHEMICALS
DIVISION; OXY USA, INC.; OXY NGL, INC.; OXY PETROCHEMICALS]
OPLX OREGON PACIFIC LINE, INC.
OPPX *OPPENHEIMER CASING CO.
OPPX +OMAHA PUBLIC POWER DISTRICT
OPPZ OSAGE POWER PLANT
OPR OREGON PACIFIC RAILROAD CO.
OPSU EMP
OPSX PUBLIC SERVICE COMPANY OF OKLAHOMA
OPT ORANGE PORT TERMINAL RWY
OPX AEP GENERATION RESOURCES INC. [OHIO POWER CO.]
OR *OAHU RAILWAY, INC.
OR *OWASCO RIVER RAILWAY
OR&C OHIO RIVER & CHARLESTON RWY. (SOUTHERN RWY. AFTER 1894)
ORA ORMET RAILROAD CORP.
ORAN ORANGE TERMINAL
ORC OGEECHEE RAILROAD CO.
ORCU BSL TRANSPORT
ORCX OKLAHOMA REFINING CO.
ORCZ OHIO RIVER COMPANY
OREX *OMAHA REFINING CO.
OREX *REA EXPRESS, INC. (RAILWAY EXPRESS AGENCY, INC.)
OREX +OREGON DEPARTMENT OF AGRICULTURE
ORHX HOWARD TANK LINE [OSCAR R. HOWARD]
ORHZ OREVILLE HERITAGE RAILROAD COMMITTEE
ORMX *D. L. ORME
ORMX *OHIO RAILWAY MUSEUM
OROX U.S. DEPART. OF ENERGY - OAK RIDGE OPERATIONS
[U.S. ATOMIC ENERGY COMMISSION]
ORPX O.E. LINSIN [ATLANTIC-PACIFIC & GULF REFINING CO.;
ORIENT PETROLEUM CO.]
ORR OSAGE RAILROAD
ORRX OREGON DEPT. OF TRANSPORTATION RAIL DIVISION
ORSX OXWELD RAILROAD SERVICE CO.
ORTX *OHIO RIVER TERMINAL
ORTX +O & R TRANSPORT INC.
ORTZ OREGON TRUNK
ORUZ ORLANDO UTILITIES COMMISSION
ORXX NORDEN VIDEO INC.
ORY OHIO RAILWAY MUSEUM
OS ONTARIO SOUTHLAND RWY. INC.
OSCR INDIANA EASTERN RAILROAD LLC dba OHIO SOUTH CENTRAL RAILROAD
OSCX OIL SEEDS CO.
OSCZ INTERMODAL SERVICES, INC.
OSGX OIL STATE GASOLINE CO.
OSIX OSI SPECIALTIES, INC.
OSKX SUNRAY D-X OIL CO. {D-X SUNRAY; MID-CONTINENT PETROLEUM CORP.}
OSL UNION PACIFIC RAILROAD [OREGON SHORT LINE]
OSNX OSNABROCK FARMERS COOPERATIVE ELEVATOR
OSO OCILLA SOUTHERN RAILROAD CO.
OSRR OHIO CENTRAL RAILROAD
OSRX *OIL STATE REFINING CO.
OSRX +ONTARIO SOUTHLAND RWY
OSSU EUROVOS B.V.
OSTX NEW YORK OIL STORAGE & TRANSFER CO.
OSZ OTTAWA SILICA
OT (SPS) OREGON TRUNK RY
OTCO OWENSVILLE TERMINAL CO. INC.
OTCR OAKDALE TRACTION CORP.
OTDX *O-T-D CORP.
OTDX +GREENBRIER MANAGEMENT SERVICES LLC [GREENBRIER LEASING CORPORATION])
OTEX OTEX TANK CAR CO.
OTOX OTTO MILK CO.
OTPX OTTERTAIL POWER COMPANY
OTR OAKLAND TERMINAL RWY
OTRC OVERSEAS TRANSPORTATION CO
OTRX ON-TRACK RWY SERVICES LTD.
OTSX ON-TRACK RAIL SERVICES LLC
OTT OTTUMWA TERMINAL RAILROAD CO.
OTTC OCEAN TRAILER TRANSPORT
OTTX TTX CO.
OTUM OTTUMWA CONNECTING RAILROAD CO.
OTX OLIVER TANK LINE
OTVR OTTER TAIL VALLEY RAILROAD CO., INC. (RAIL AMERICA)
OTWX OF THE WOODS LLC
OUCH OUACHITA RAILROAD
OUCX ORLANDO UTILITIES COMMISSION
OUCZ OZARK UTILITIES COMPANY
OURD OGDEN UNION RAILWAY & DEPOT CO.
OURY OGDENSBURG BRIDGE & PORT AUTHORITY
OUS OGDEN UNION STOCKYARDS CO.
OV OTTER VALLEY RAIL ROAD
OVEX OHIO VALLEY ELECTRIC CO.
OVNT OVERNITE TRANSPORTATION CO.
OVNZ OVERNITE TRANSPORTATION CO.
OVO OTTAWA VALLEY RAILWAY
OVOX GRACE & CO. [W.R. GRACE & CO.; ORIENTAL VEGETABLE OILS CO.]
OVR *OTTAWA VALLEY RAILROAD
OVR +OHIO VALLEY RAILROAD CO.
OVRR OZARK VALLEY RAILROAD INC.
OVRX OHIO VALLEY RAILROAD CO.
OVSS OVERSEAS SHIPPING CO.
OVTX OHIO VALLEY TANK LINE
OW NEW YORK, ONTARIO & WESTERN RY
OWCZ OMACK WOOD COMPANY
OWII OWENS ILLINOIS INC
OWIX *OWENS-ILLINOIS GLASS CO., MILL DIVISION
OWIX *OLD WORLD TRANSPORTATION, LTD.
OWIX +INDORAMA VENTURES LOGISTICS, LLC
OWLU OCEAN WORLD LINES, INC.
OWSX OIL WELL SUPPLY COMPANY (1980), LTD.
OWTX *ONIEDA & WESTERN TRANSPORTATION
OWTX *RETIRED 10-31-91 ATP (1421) [SHAMROCK COAL CO.]
OWY OAKWAY LEASING
OXAX OXEA CORP.
OXFX OXFORD CONSTRUCTION CO.
OXYU EUROTAINER U.S., INC.
OYLO OLYMPIA & BALTIMORE RAILROAD INC.
OZ OLDSMOBILE
OZCX OZARK CAR CORP. [OZARK-MAHONING CO.; OZARK CHEMICAL CO.]
OZKX UNION TANK CAR CO. [OZARK TANK CAR CO.; DEEP ROCK OIL CORP.; OZARK CAR CO.]
OZSL OZEAN/STENNES LINIEN
OZX OZONE CO., INC.

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