RAILROAD REPORTING MARKS -- U


REPORTING MARK SUFFIXES

X PRIVATE CAR OWNERS
U CONTAINERS
Z TRAILERS

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


U UNION RAILWAY (SOUTHERN RWY. QUEEN & CRESCENT ROUTE)
UAAX AMERICAN ACID CO.
UAC UNITED AIRCRAFT CORP.
UACU UNITED ARAB SHIPPING CO.
UACX UNIVERSAL ATLAS CEMENT DIV., U.S. STEEL CORP.
UAEU UNITED ARAB SHIPPING CO (S.A.G.)
UAIX UNITED ASPHALTS, INC.
UASU UNITED ARAB SHIPPING CO.
UASX UNITED ALLOY STEEL CORP.
UASZ UNITED ARAB SHIPPING CO.
UAWX *STANDARD WHOLESALE PHOSPHATE & ACID WORKS, INC. [UNION ACID WORKS, INC.]
UAWX *MATHIESON CHEMICAL CORP.
UB UNION BELT OF DETROIT
UBCU UNITED FRUIT CO.
UBEX UNITED BIO ENERGY INGREDIENTS, LLC
UBFL UNITED - BUCKINGHAM FRT LINES
UBMU UNITED BALTIC CORP. LTD.
UBTX UNION CAMP CORP. [UNION BAG & PAPER CORP.]
UCAU UCA CONTAINERS AG
UCBX ASHLAND CHEMICAL CO., CARBON BLACK & SYNTHETIC RUBBER DIV.
[UNITED CARBON CO.]
UCBZ UNITED COOP OF BIGELOW
UCC UNION CARBIDE CORPORATION, CARBON PRODUCTS DIV.
UCCU AMERICAN CYANAMID
UCCX *UTAH COPPER CORP.
UCCX *UNITED CONTRACTING CO.
UCCX +UNION CARBIDE CANADA, LTD.
UCCZ UNION CAMP CORP.
UCEX UNION ELECTRIC COMPANY
UCFX UNION CARBIDE CORP., SUBSIDIARY OF THE DOW CHEMICAL CO. U.S.A.
UCIR UNION COUNTY INDUSTRIAL RAILROAD CO.
UCIX UNICHEMA CHEMICALS INC
UCKX BETHLEHEM STEEL CO. [UNION COAL & COKE CO.]
UCLD UNVIERSAL CARLOADING & DISTRIBUTING CO
UCLU UNICORN LINES (PTY) LTD.
UCLX OCCIDENTAL CHEMICALS CORP. [BASIC CHEMICALS CO., LLC; VULCAN
MATERIALS CO. CHEMICALS DIV.; UNION CHEMICAL CARLINE, INC.]
UCM UNION CARBIDE (WEST VIRGINIA)
UCMX UNITED CLAYS, INC.
UCOX PRAXAIR, INC. [UNION CARBIDE CORP.]
UCPX ESSEM CORP. - UNION CARBIDE CORP., LESSEE
UCR UTAH COAL ROUTE
UCRS UPPER CANADA RAILWAY SOCIETY
UCRY UTAH CENTRAL RAILWAY CO.
UCSX INTERNATIONAL PAPER CO. [UNION CAMP CORPORATION]
UCX CUMBERLAND & PENNSYLVANIA RAILROAD (UNITED COAL CORP.)
[HILLMAN COAL & COKE CO.]
UDAX UNITED DISTILLERS OF AMERICA, INC. (NORTH AMERICAN CAR CORP.)
UDC UNION DEPOT COMPANY - COLUMBIA, OHIO
UDIX UTILITIES DISTRIBUTORS, INC. [UTILITIES TRANSPORT CO.]
UDTZ UPPER DEERFIELD TOWNSHIP NEW JERSEY
UDX UNITED DAIRY CO., INC.
UE UNION ELECTRIC RWY.
UECZ UNION ELEVATOR CO.
UEEZ UNION EQUITY ELEVATOR CO.
UEFZ UNION EQUITY
UELX *UNITED EQUIPMENT LEASING ASSOCIATES
UELX +ADM TRANSPORTATION COMPANY (ARCHER DANIELS MIDLAND)
UELZ UNITED ELECTRIC COMPANY
UESX JOHNSTOWN AMERICA CORP. - REGISTRATION ELIMINATED 2011
UFC UNITED FRUIT CO
UFCC FLEXI-VAN LEASING, INC. (REGISTRATION ELIMINATED NOV. 1997)
UFCU FLEXI-VAN LEASING, INC. / EVERGREEN MARINE CORP.
UFCZ *FLEXI-VAN LEASING, INC.
UFCZ *U. S. FUEL CO.
UFGX UNITED FUEL GAS CO.
UFIX *UTILITY FUELS INC.
UFIX +NRG ENERGY, INC. [TEXAS GENCO; [RELIANT ENERGY; HOUSTON LIGHTING &
POWER COMPANY]
UFIZ U.F.I. CORP
UFPZ UNIVERSAL FOREST PRODUCTS
UFTX *RESIDCO
UFTX +THE DAVID J. JOSEPH CO.
UGEZ UNITED GRAIN ELEVATOR 2
UGMU EVERGREEN INTERNATIONAL (USA) CORP.
UGPX UNITED GAS PIPE LINE CO.
UGSX UNITED GAS PUBLIC SERVICE CO.
UHRX UPPER HUDSON RIVER RAILROAD CORP.
UIC *UTAH IDAHO CENTRAL RAILROAD CO.
UIC *MARCHEM LTD
UIMX UNITED IRON & METAL LLC
UISZ USCO UNDUSTRY SASKATHEWAN
UIWX RILEY STOKER CORP. [UNION IRON WORKS]
UIZ ULEN INDUSTRIES
UKKX UNITED CARBON CO.
ULCX UNIT LOAD CAR CORP.
ULCZ ULRIZH CEMENT CO.
ULS RETIRED 05-15-92 TP (0806)
UMP UPPER MERION & PLYMOUTH RAILROAD COMPANY
UMPX FIRST UNION RAIL [UPPER MERION & PLYMOUTH LEASING COMPANY]
UMSX UNITED STEELWORKERS OF AMERICA
UMSZ INTERMODAL SERVICES, INC.
UNBX *UNION BOILER REPAIR
UNBX +GENERAL ELECTRIC RAIL SERVICES CORP.
UNCX *CROWN CENTRAL PETROLEUM CO. [UNITED CENTRAL OIL CORP.]
UNCX *UNIVERSAL CAR CO.
UNCX *UNION CARBIDE CANADA, LTD.
UNCX +GATX RAIL CANADA CORP. [GENERAL ELECTRIC RAILCAR SERVICES CORP.]
UNCZ UNIVERSAL COOPERATIVE
UNEZ UNION ELECTRIC
UNFX AMERICAN RAILCAR INDUSTRIES
UNI UNITY RAILWAYS
UNIX *UNIGAS, INC.
UNIX +UNIFIED ENVIRONMENTAL SERVICES GROUP, LLC
UNIZ UNITED INDUSTRIES
UNLX BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA
UNPX (PROX) PROCOR LIMITED [UNION TANK CAR CO.; SINCLAIR REFINING CO.;
UNION PETROLEUM CO.]
UNRZ UNIVERSITY OF NORTH CAROLINA RAILROAD
UNSX *UNITRAIN SERVICES (AGENT FOR IOWA POWER & LIGHT)
UNSX *MIDAMERICAN ENERGY COMPANY [(IOPRX) MIDWEST POWER SYSTEMS]
UNSX +RAIL LOGISTICS, LC [RAILCAR CUSTOM LEASING, LLC; JAIX LEASING CO.]
UNTX *RAILCAR CUSTOM LEASING, LLC [JAIX LEASING CO.; MRC RAIL SERVICES LLC;
UNITRAIN, INC.]
UNTX +MACQUARIE RAIL, INC. (REPORTING MARK ELIMINATED 2011)
UNVX *UNIVERSAL CORP.
UNVX +UNIVAR CANADA LTD.
UNXX CROWS NEST RESOURCES LTD
UO RETIRED 08-23-93 ATP (000) [UNION RAILROAD OF OREGON]
UOCX GENERAL AMERICAN MARKS CO. [(GATC) GENERAL AMERICAN TRANSPORTATION CORP]
UNION OIL CO. of CALIF.)
UOEX UNO-VEN [UNOCAL; UNION OIL CO. OF CALIFORNIA]
UOGX UNITED OIL & NATURAL GAS PRODUCTS CORP.
UOGZ UNIVERSITY OF GEORGIA
UOKX BRITISH AMERICAN OIL CO. [UNION OIL CO.]
UOPX UOP A NEW YORK PARTNERSHIP [UNION OIL CO.]
UP UNION PACIFIC RAILROAD COMPANY
UPAX *UTAH POULTRY PRODUCERS COOPERATIVE ASSOCIATION REFRIGERATOR LINE
UPAX *GREAT RIVER ENERGY [UNITED POWER ASSOCIATION]
UPB UNION PACIFIC RAILROAD
UPBZ UNION PACIFIC RAILROAD CO.
UPCU (UPCX) USPCI, INC.
UPCX *UNIVERSAL ATLAS CEMENT CO. [UNIVERSAL PORTLAND CEMENT CO.]
UPCX *HOME PETROLEUM CORP. [UNION PETROLEUM CORP.]
UPCX +CLEAN HARBORS ENVIRONMENTAL SCIENCES, INC [LAIDLAW ENVIRONMENTAL
SERVICES INC.; USPCI, INC.]
UPFE UNION PACIFIC RAILROAD COMPANY [PACIFIC FRUIT EXPRESS]
UPFU (UPUU) UNION PACIFIC BULKTAINER SERVICE
UPFX UNITED STATES PIPE & FOUNDRY CO.
UPFZ UNION PACIFIC FRUIT EXPRESS CO.
UPHU UNION PACIFIC RAIILROAD COMPANY
UPIX USS-POSCO INDUSTRIES
UPM UNION PACIFIC RAILROAD, MILWAUKEE ROAD OPERATIONS
UPNZ UNION PACIFIC RAILROAD CO.
UPOZ UNITED PARCEL SERVICE
UPP UNION PACIFIC RAILROAD (PASSENGER CARS)
UPPX TRANSCONTINENTAL OIL CO. [UNITED PRODUCERS PIPE LINE CO.]
UPR UNION PACIFIC RAILROAD CO.
UPRQ UNION PACIFIC RAILROAD CO.
UPRR UNION PACIFIC RAILROAD CO.
UPRU UNION PACIFIC RAILROAD CO.
UPRX *PENNSYLVANIA-CONLEY TANK LINE, DIV. GENERAL AMERICAN
TRANSPORTATION CORP. [ULTRA-PENN REFINING CO.]
UPRX *UNION PACIFIC FRUIT EXPRESS CO.
UPS UNION PACIFIC RAILROAD, SLUGS
UPSH UPSHAW, SCOTT TRANSPORTATION
UPSW UPSHAW TRUCKING
UPSZ UNITED PARCEL SERVICE
UPT UNION PACIRIC RAILROAD, FUEL TENDERS
UPTU (UPUU) UNION PACIFIC BULKTAINER SERVICE
UPUU UNION PACIFIC BULKTAINER SERVICE
UPWZ UNITED PARCEL SERVICE
UPX UNITY PETROLEUM CORP.
UPY UNION PACIFIC RAILROAD CO., YARD SWITCHERS
UPZ UNION PACIFIC RAILROAD CO.
URC UNITED RAILWAYS CO. (SPOKANE, PORTLAND & SEATTLE RWY.)
URCX UNITED REFINING CO.
URDX ARCH OF KENTUCKY, INC. {UNITED STATES STEEL CORP., RESOURCE DEVELOPMENT GROUP]
URGX UNICAPITAL RAIL GROUP
URHX UNITED RAILWAY HISTORICAL SOCIETIES OF NEW JERSEY
URMX *UNION REFRIGERATOR TRANSIT LINES, DIV. GENERAL AMERICAN
TRANSPORTATION CORP.
URMX +UNITRAC RAILROAD MATERIALS INC.
URR UNION RAILROAD CO. (PITTSBURGH, PA)
URSC UNITED RAILWAY SUPPLY CO.
URTX (GATX) RETIRED 08-19-92 ATP (1631) [UNION REFRIGERATOR TRANSIT LINES]
URWX UNITED RIGHT-OF-WAY
URY UNION RAILWAY OF MEMPHIS
USA U.S. DEPT. OF DEFENSE - ARMY, MIL. TRFC. MGMT. & TERM. SERV.
USAF U.S. DEPT. OF DEFENSE - AIR FORCE
USAT U.S. DEPT. OF DEFENSE - ARMY TRANSPORTATION CORP.
USAU PAN TEXAS LEASING INC.
USAX *UNITED STATES ASPHALT REFINING CO.
USAX +DEPARTMENT OF ARMY, MILITARY TRAFFIC MANAGEMENT & TERMINAL SERVICE
(U.S. DEPT. OF DEFENSE - U. S. ARMY TROOP SUPPORT & AVIATION MATERIAL
READINESS COMMAND (INTRA PLANT SERVICES))
USAZ (XTRZ) XTRA INTERMODAL
USBX *U.S. BORAX & CHEMICAL CORP.
USBX +THE CIT GROUP/CAPITAL FINANCE, INC. [(NATX) GENERAL ELECTRIC
RAILCAR SERVICES CORPORATION]
USC UNITED STOCKYARDS CORP.
USCU UNION STEAM SHIP CO. OF NZ LTD.
USCX WILLIAM G. SIMON TANK CAR MANAGEMENT [UNITED STATES TANK CAR CORP.;
UNITED STATES COAL & COKE CO.]
USCZ U. S. REDUCTION COMPANY, INC.
USEX (NATX) GEN. ELECTRIC RAIL SERVICES CORP. [ITEL RAIL CORP.; EVANS
RAILCAR LEASING CO.; UNITED STATES RAILWAY LEASING CO.]
USFU U.S. DEPT. OF DEFENSE - AIR FORCE
USFX *U.S. FOOD PRODUCTS CAR LINE CORP.
USFX *STRICK DIV., FRUEHAUF CORP.
USG UNITED STATES GYPSUM
USGX *HOLLY SUGAR CORPORATION [UNION SUGAR COMPANY]
USGX +US MAGNESIUM, LLC
USIC U.S. INTERMODAL CORP.
USIX EQUISTAR CHEMICALS LP [QUANTUM CHEMICAL CORPORATION, US INDUSTRIAL
CHEMICALS DIV.; US INDUSTRIAL ALCOHOL CO.]
USIZ UNITED STATES SILICA
USLD DETROIT, TOLEDO & IRONTON RAILROAD CO.
USLF BURLINGTON NORTHERN RAILROAD [ST. LOUIS-SAN FRANCISCO RWY. CO.]
USLU UNITED STATES LINES, INC.
USLX (NATX) GENERAL ELECTRIC RAIL SERVICES CORP. [ITEL RAIL CORP.;
EVANS RAILCAR LEASING; UNITED STATES RAILWAY LEASING CO.]
USLZ UNITED STATES LINES, INC.
USMN U. S. STEEL MINING RAILROAD
USMR UNITED STATES METALS REFINING
USMU U.S. DEPARTMENT OF DEFENSE - MARINE CORPS
USMX U.S. STEEL MINING COMPANY, INC.
USMZ U.S. DEPARTMENT OF DEFENSE - MARINE CORPS
USNC UNITED STATES NAVIGATION CO INC
USNU U.S. NAVY
USNX DEPARTMENT OF ARMY, MILITARY TRAFFIC MANAGEMENT & TERMINAL SERVICE
(U.S. DEPT. OF DEFENSE - U. S. ARMY TROOP SUPPORT & AVIATION MATERIAL
READINESS COMMAND (INTRA PLANT SERVICES))
USNZ U.S. DEPARTMENT OF DEFENSE - NAVY
USOX U.S. DEPARTMENT OF DEFENSE - ARMY
USOZ U. S. STEEL MINNESOTA ORE OPERATIONS
USP U.S. DEPARTMENT OF DEFENSE - PORTSMOUTH NH NAVAL YARD
USPC (UPCX) USPCI, INC.
USPF UNITED STATES PINE FOUNDRY
USPX *U. S. PHOSPHORIC PRODUCTS, DIV. TENNESSEE CORP.
USPX *U. S. PIPE & FOUNDRY CO.
USPX *U. S. PLASTICS CORPORATION
USPZ U.S. POSTAL SERVICE
USQX U.S. DEPARTMENT OF DEFENSE - ARMY
USR UTAH SOUTHERN RAILWAY CO. LLC
USRP U.S. RAIL CORP. LLC
USRX *UNIROYAL, INC. [UNITED STATES RUBBER CO.]
USRX *U. S. ROAD & RAIL - MELVINDALE INC.
USRX +U. S. RAILWAYS, INC. [U.S. RAILCAR, INC.]
USRZ U. S. RECYCLING CO.
USSC UNITED STATES STEEL CORP.
USSU UNITED STEEL & STRIP CORP.
USSX *UNITED STATES OF AMERICA
USSX *UNITED STATES SUGAR CORP.
USSX +U.S. STEEL CORP. (ARISTECH CHEMICAL CORP.)
USSZ UNITED STATES SUGAR CO.
USTG UNITED STATES GOVERNMENT (FEDERAL RAILROAD ADMINISTRATION)
USTX *UNION STARCH & REFINING CO. (GENERAL AMERICAN TRANSPORTATION CORP.)
USTX *USX CORP.
USWX USA WASTE SERVICES INCORPORATED OF NYC
USYT UNION STOCK YARD & TRANS. CO. OF CHICAGO
UT MISSOURI PACIFIC SYSTEM [UNION TERMINAL RY (ST. JOSEPH, MO)]
UTAH UTAH RAILWAY COMPANY
UTAX *UNITED TRANSPORTATION, INC.
UTAX *UTAH TRANSIT AUTHORITY
UTBX (UTCX) UNION TANK CAR CO.
UTCO UNION TRACTION CO.
UTCR UNITED TRANS CO OF R I
UTCU STOLT TANK CONTAINERS INC.
UTCX UNION TANK CAR CO
UTD UNION TERMINAL CO. (DALLAS, TX)
UTDC TRI-COUNTY COMMUTER RAIL AUTHORITY {UTDC TRANSIT SERVICES, INC.}
UTHZ TRANSAMERICA LEASING INC.
UTLX (UTCX) UNION TANK CAR CO
UTLZ UNITED TRAILER LEASING CO
UTPX *UNION TEXAS PETROLEUM CORP.
UTPX +SUBURBAN PROPANE - DIV. QUANTUM CHEMICAL CORP.
[UNION TEXAS PRODUCTS CORP.]
UTR RETIRED 04-26-94 FXD [UNION TRANSPORTATION CO.]
UTRS UNITED TRUCKING SERV.
UTSZ TRI-COUNTY COMMUTER RAIL AUTHORITY {UTDC TRANSIT SERVICES, INC.}
UTTX TTX COMPANY
UTX UNION TANK CAR CO.
UUAX UP-UP & AWAY, INC.
UUUZ UITERWYK CORP.
UV UNADILLA VALLEY RY
UX UNITED STATES FUEL CO.
UYLU UNITED YUGOSLAV LINES (KERR STEAMSHIP CO AGENTS)
UYLZ UNITED YUGOSLAV LINES

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