REPORTING MARK SUFFIXES

X	PRIVATE CAR OWNERS
U	CONTAINERS
Z	TRAILERS

R	   *ROSWELL RAILROAD (SOUTHERN RWY.; PIEDMONT AIR LINE OF RICHMOND & DANVILLE RAILROAD SYSTEM)
R          +RUTLAND RWY.
R&D	   RICHMOND & DANVILLE RAILROAD (SOUTHERN RWY.)
R&Dec	   ROME & DECATUR RAILROAD (SOUTHERN RWY.;
	   KENNESAW ROUTE OF EAST TENNESSEE, VIRGINIA & GEORGIA RWY.)
R&GV	   RAY & GILA VALLEY RAILROAD CO.
R&J	   ROGERSVILLE & JEFFERSON RAILROAD (SOUTHERN RWY.;
	   KENNESAW ROUTE OF EAST TENNESSEE, VIRGINIA & GEORGIA RWY.)
R&M	   RICHMOND & MECKLENBURG RAILROAD (SOUTHERN RWY.;
	   PIEDMONT AIR LINE OF RICHMOND & DANVILLE RAILROAD SYSTEM)
R&N	   ROME & NORTHERN RAILROAD CO.
R&WPTRy&W  RICHMOND & WEST POINT TERMINAL RAILWAY & WAREHOUSE CO., A HOLDING COMPANY (SOUTHERN RWY.)
R&YR	   RICHMOND & YORK RIVER RAILROAD (SOUTHERN RWY.; 
	   PIEDMONT AIR LINE OF RICHMOND & DANVILLE RAILROAD SYSTEM)
RACN       RACCOON RIVER RAILROAD
RACX	   *RAILWAY ACCESSORIES CO.
RACX       +GENERAL ELECTRIC RAIL SERVICES CORPORATION
RADX	   RADFORD ARSENAL
RAFL       RED ARROW FREIGHT LINES, INC.
RAGX	   NORTH WESTERN REFRIGERATOR LINE, DIV. NATIONAL AMERICAN CAR CORP.
RAHX       ROHM & HAAS COMPANY
RAIX	   *UNITED STATES LEASING INTERNATIONAL, INC.
RAIX	   *RAILTRAN
RAIX       +(UCFX) UNION CARBIDE CORP., SUBSIDIARY OF DOW CHEMICAL CO. USA
RAL	   RED ARROW LINE
RALX	   RADNOR RAIL, LTD.
RALZ	   RALSTON PURINA COMPANY
RAMT       RAYMOND MOTOR TRANSPORT INC
RAMX	   *RAILWAY AUTOMATED MACHINERY CO.
RAMX       +RAIL MERCHANTS INTERNATIONAL [RAILAMERICA, LTD.]
RAMZ       AMIQUIP DIV. OF MARINE TERMINALS INC. / TRANSAMERICA TRANSPORTATION SERVICES INC. 
	   (RETIRED 04-06-93)
RAND       RAND EXPRESS FREIGHT LINES INC
RANX	   RANDOLPH PETROLEUM CO.
RAOX       ROBERTS & OAKE, INC. (GENERAL AMERICAN TRANSPORTATION CORP.)
RAPX       RAPCO TRANSPORTATION CO.
RAPZ	   RAPCO ENERGY
RARW       RARUS RAILWAY COMPANY
RASX	   *RAIL SERVE
RASX	   +C. A. RASMUSSEN
RATL       RAMUS TRUCKING LINE INC
RATU	   ROYAL ATLANTIC LLC
RATX	   RAILTEX SERVICE CO.
RAVX	   RAVENA ARSENAL
RAWR	   RARUS RAILWAY COMPANY
RAWX	   *RIVERSIDE ACID  INHIBITOR CO. [RIVERSIDE ACID WORKS]
RAWX       +PLATTE RIVER POWER AUTHORITY
RAX        RPI-AAR COOPERATIVE TEST PROGRAM
RAYX	   PECK IRON & METAL CO., INC.
RBAZ       TRANSAMERICA TRANSPORTATION SERVICES INC. (RETIRED 04-06-93)
RBB        BNSF [BURLINGTON NORTHERN RAILROAD CO.]
RBBN       BNSF [BURLINGTON NORTHERN RAILROAD CO.]
RBBQ       BNSF [BURLINGTON NORTHERN RAILROAD CO.; CHICAGO, BURLINGTON & QUINCEY RR CO.]
RBBU	   BESED
RBBW       BNSF [BURLINGTON NORTHERN RAILROAD CO.]
RBBX       *WESTERN FRUIT EXPRESS CO.; BURLINGTON REFRIGERATOR EXPRESS (RETIRED 08-30-93)
RBBX       +RINGLING BROS. AND BARNUM AND BAILEY
RBCS       BNSF [BURLINGTON NORTHERN RAILROAD CO.; COLORADO & SOUTHERN RY.]
RBCU       (PCBX) RAILBRIDGE CORPORATION
RBCX       RAIL-BRIDGE CORPORATION
RBGX	   NATIONAL OIL PRODUCTS CO.
RBHZ       *TRANSAMERICA TRANSPORTATION SERVICES INC. (RETIRED 04-20-930
RBHZ	   *REBANCO HOUSE 7
RBKB       R B KIRKCONNELL BROS LTD
RBKR       RED BANK RAILROAD COMPANY (PITTSBURG & SHAWMUT RAILROAD CO.)
RBKX	   RED BANK RAILROAD CO.
RBLX       BRENT C. LEWIS
RBMF       RED BALL MOTOR FREIGHT INC
RBMN       READING BLUE MOUNTAIN & NORTHERN RAILROAD COMPANY
RBMZ	   BOSTON & MAINE CORP. / TRANSAMERICA TRANSPORTATION SERVICES INC.
RBNX       FRUIT GROWERS EXPRESS CO, (NATIONAL CAR CO.)
RBNZ	   *BURLINGTON NORTHERN RAILROAD CO. (REPORTING MARK ELIMINATED FEB. 1983)
RBNZ	   +TRANSAMERICA TRANSPORTATION SERVICES INC.
RBOX       TTX CO. [RAILBOX COMPANY]
RBOZ	   TRANSAMERICA TRANSPORTATION SERVICES INC.
RBPX	   MINERAL PROCESSING & MARKETING INC.
RBPZ	   REDCO BEET PLANT
RBR	   RICHMOND BELT RAILWAY
RBTD	   ROBERT DOLLAR COMPANY
RBTX	   *ROGERS BROWN TRANSPORTATION CORP.
RBTX       *RUBICON CHEMICAL COMPANY
RBW        BURLINGTON NORTHERN RAILROAD CO
RBWX       WESTERN FRUIT EXPRESS CO.
RBX	   RINGLING BROTHERS, BARNUM & BAILEY CIRCUS
RBXC       TRANS DIV ASSIGNMENT - BOX CAR POOLING
RC         CONSOLIDATED RAIL CORP. [ROSSLYN CONNECTING RR.]
RCBT	   ROARING CAMP & BIG TREES NARROW GAUGE RAILROAD
RCCX       *RELCO NEVADA CORP., RELCO TANK LINE DIV.
RCCX	   +ROANOKE CEMENT CO. LLC
RCCZ	   REISS COAL COMPANY
RCDX	   RAILCAR DEPOT INC.
RCEZ       MISSOURI PACIFIC RAILROAD CO. / TRANSAMERICA TRANSPORTATION SERVICES INC. 
	   (RETIRED 04-06-93)
RCIZ	   RARITAN CENTER
RCKX	   REFINERS CAR CORP.
RCLX	   *RAILCAR CUSTOM LEASING LLC
RCLX	   +MACQUARIE RAIL, INC.
RCLZ	   TRANSAMERICA TRANSPORTATION SERVICES INC.
RCML       R C MOTOR LINES INC
RCMX	   *RED "C" OIL MANUFACVTURING CO.
RCMX	   *RINGGOLD COAL MINING CO.
RCMX       +SERVICES UNLIMITED [RAILROAD CAR MANAGEMENT CO.]
RCLZ       (CSXT)RETIRED 04-06-93 ATP (ACI 2340)
RCMZ	   RAWHIDE COAL MINE
RCNX       RAILCAR NEBRASKA, INC.
RCOX       UNION TANK CAR CO., LESSEE BP PRODUCTS NORTH AMERICA INC. [ARCO PRODUCTS CO.,
	   DIV OF ATLANTIC RICHFIELD COMPANY]
RCOZ	   TRANSAMERICA TRANSPORTATION SERVICES INC.
RCPX       SC RAIL LEASING AMERICA, INC. d/b/A SOUTHERN ILLINOIS RAILCAR CO. [RAILCAR LIMITED]
RCRR	   RED COAT ROAD & RAIL LTD.
RCRX       REAGENT CHEMICAL & RESEARCH INC
RCRY	   RARITAN CENTRAL RWY. LLC
RCRZ       SEABOARD SYSTEM RAILROAD INC. / TRANSAMERICA TRANSPORTATION SERVICES INC.
	   (RETIRED 04-06-93) 
RCSX	   *NORTH AMERICAN CAR CORP. [RAILWAY TANK CAR SERVICE, INC]
RCSX	   *RAILROAD CAR SERVICE CORP.
RCSX	   +RAILCAR SOLUTIONS, LLC
RCSZ       RAIL CONTAINER SERVICES, INC.
RCTX	   RAILWEST CANADA, INC.
RCTZ       COORDINATED CARIBBEAN TRANSPORT INC. / TRANSAMERICA TRANSPORTATION SERVICES INC.
	   (RETIRED 04-06-93)
RCVL       RED CLAY VALLEY RWY EQUIP & LEASING CO.
RCWX	   ROYSTER CO. [ROYSTER CHEMICAL WORKS; F. S. ROYSTER GUANO CO.]
RCWZ       *CHICAGO & NORTH WESTERN TRANSPORTATION CO. / TRANSAMERICA TRANSPORTATION SERVICES INC.
RCWZ	   +UNION PACIFIC
RCX	   REPUBLIC CREOSOTING CO.
RCZ	   RICHARDSON COMPANY
RDCX       REGIONAL DISPOSAL COMPANY
RDFC       RENTCO DIV. FRUEHAUF CORP.
RDG        NORFOLK SOUTHERN RAILROAD CO. [CONSOLIDATED RAIL CORP.; READING CO.]
RDGZ	   CONRAIL
RDHZ	   DELAWARE & HUDSON RAILWAY CO. / TRANSAMERICA TRANSPORTATION SERVICES INC.
RDIX       *RAPID INDUSTRIAL PLASTICS COMPANY
RDIX       +ENTEC POLYMERS, LLC
RDMX       RYDER
RDMZ       TRANSAMERICA LEASING INC [(REAZ) DETROIT & MACKINAC]
RDOT	   RHODE ISLAND DEPT. OF TRANSPORTATION
RDSC       RELIABLE DELIVERY SERVICE
RDSX	   REDSTONE LEASING CORP.
RDSZ       *CSX TRANSPORTATION, INC. [SEABOARD SYSTEM RAILROAD INC. / TRANSAMERICA TRANSPORTATION SERVICES INC.]
RDSZ	   *R. R. DONNELLY & SONS, CO.
RDTZ       DETROIT, TOLEDO & IRONTON RAILROAD CO. / TRANSAMERICA TRANSPORTATION SERVICES INC.(RETIRED 04-06-93)
RDUZ	   ROTOR DUMP
RDWY       ROADWAY EXPRESS, INC.
RDWZ       ROADWAY EXPRESS, INC.
RE	   RELCO
REA	   RAILWAY EXPRESS AGENCY, INC.
REAL       (REAZ) TRANSAMERICA LEASING, INC.
REAU       (REAZ) TRANSAMERICA LEASING, INC.
REAZ	   *GRAND TRUNK WESTERN RAILROAD CO. (REPORTING MARK ELIMINATED MAY 1983)
REAZ       +DELAWARE & HUDSON RAILWAY CO. [DENVER & RIO GRANDE WESTERN RR CO.; GRAND TRUNK WESTERN RAILROAD CO.; 
	   MAINE CENTRAL RAILROAD CO] / TRANSAMERICA TRANSPORTATION SERVICES (TRANSAMERICA LEASING, INC.)
REBE       RED BALL EXPRESS
REC	   RELCO EQUIPMENT COMPANY
RECX       CENTRAL LOUISIANA ELECTRIC CO. INC. - REGISTRATION ELIMINATED 2011
REDX	   *SAUDI RESEARCH & DEVELOPMENT CORP. LTD. (REDEC)
REDX       +MIRON/USA LTD.
REDZ	   *REDMOND INDUSTRY
REDZ       *REDON, INC.
REGX	   REGUS INDUSTRIES LLC
REHX	   RAILCAR INTERCHANGE, INC.
RELX       (RTLX) RELCO TANK LINE INC., RELCO NEVADA CORP.
RELZ	   TRANSAMERICA TRANSPORTATION SERVICES INC.
REMX	   R.E.M.X. CORP.
REMZ	   RESOURCE MINE
RENE       RENNERS EXPRESS INC
RENX	   RENKERT OIL LLC
REPX	   *RESERVE PETROLEUM CO. (MID-WEST DESPATCH CAR CO.)
REPX	   *RELIABLE PACKING CO.
RERX	   READER RAILROAD
RESX	   *RESINOUS PRODUCTS & CHEMICAL CO., INC.
RESX       +RESCAR, INC.
RESZ	   RESERVE MINING COMPANY
RETX	   R. E. THORPE & CO.
RETZ	   REILLY TAR
REX        REX EXPRESS, INC. (RAILWAY EXPRESS AGENCY, INC.)
REXX	   IRESIN LLC
REZ	   RALSTON ELEVATOR
RF&P	   RICHMOND, FREDERICKSBURG & POTOMAC RR (NOW CSX TRANSPORTATION)
RFAE	   U. S. DEPT. OF ENERGY ROCKY FLATS PLANT
RFCX	   *RENTCO DIV., FRUEHAUF CORP.
RFCX       *R & F COAL CO. (RETIRED 06-17-91)
RFCX	   +ROTHSAY FARMERS CO-OPERATIVE
RFCZ	   *BURLINGTON NORTHERN RAILROAD CO. (REPORTING MARK ELIMINATED FEB. 1983)
RFCZ	   +TRANSAMERICA TRANSPORTATION SERVICES INC.
RFEZ       FLORIDA EAST COAST RY. CO. / TRANSAMERICA TRANSPORTATION SERVICES INC.(RETIRED 04-06-93)
RFJZ       TRANSAMERICA TRANSPORTATION SERVICES INC.
RFMX       CALDWELL-BAKER COMPANY {ROBERT F. MILLER]
RFP        CSX TRANSPORTATION, INC. [RICHMOND, FREDERICKSBURG & POTOMAC RR]
RFPU       CSX TRANSPORTATION, INC. [RICHMOND, FREDERICKSBURG & POTOMAC RR]
RFPX	   REPUBLIC FOOD PRODUCTS CO. (MERCHANTS DESPATCH TRANSPORTATION CORP.)
RFPZ       CSX TRANSPORTATION, INC. [RICHMOND, FREDERICKSBURG & POTOMAC RR]
RFRX	   *ROARING FORK RAILROAD HOLDING AUTHORITY
RFRX       +RICK FRANKLIN CORPORATION
RFWX	   ROBERT FER ET METAUX INC.
RGCX	   *RIVERSIDE GAS CO.
RGCX       +RIO GRANDE CHEMICAL SALES CO. LTD.
RGEX       ROYAL GORGE INDUSTRIES
RGGZ	   REARDAN GRAIN GROWERS
RGHX       RING'S GAS & APPLIANCE CO
RGIX       REPUBLIC GAS & UTILITIES CORP
RGLX	   ROBERTO DE LA GARZA Y HNOS, SA
RGMW       RIO GRANDE MOTOR WAY INC
RGMZ	   ILLINOIS CENTRAL GULF RAILROAD CO. / TRANSAMERICA TRANSPORTATION SERVICES INC. 
RGNX       RAILGON COMPANY
RGNZ	   TRANSAMERICA TRANSPORTATION SERVICES INC.
RGOX	   *RICHFIELD OIL CORP. [RIO GRANDE OIL CO.]
RGOX       *RAILGON COMPANY
RGPX	   ROYAL GAS PRODUCTS CORP.
RGRX       RIO GRANDE RAILCAR COMPANY, INC.
RGRZ       CSX TRANSPORTATION, INC. [SEABOARD SYSTEM RAILROAD INC. / 
	   TRANSAMERICA TRANSPORTATION SERVICES INC.}
RGS	   RIO GRANDE SOUTHERN RAILROAD
RGTU       DENVER & RIO GRANDE WESTERN
RGTX       RESIDCO
RGTZ       UNION PACIFIC [SOUTHERN PACIFIC; DENVER & RIO GRANDE WESTERN]
RGW	   RIO GRANDE WESTERN RAILWAY
RGWZ       GRAND TRUNK WESTERN RAILROAD CO. / TRANSAMERICA TRANSPORTATION SERVICES INC. 
	   (TRANSAMERICAN LEASING, INC.)
RGX	   HIGHWAY OIL REFINING CO. [ROTARY GASOLINE CO.]
RHAX       SULPHUR SALES INC
RHBX       R.H. BOGLE CO.
RHCX	   ROESSLER & HASSLACHER CHEMICAL CO., INC.
RHHX	   ROBERT H. HASSLER, INC.
RHMZ	   RAWHIDE MINE
RHRX       RAHR MALTING COMPANY
RHSX	   CENTRAL NEW YORK CHAPTER, NATIONAL RAILWAY HISTORICAL SOCIETY
RHYX       *MACQUARIE RAIL INC. (MARK ELIMINATED 2011)
RHYX	   +WATCO COMPANIES INC.
RI         ROCK ISLAND [ST. PAUL & KANSAS CITY SHORT LINE RAILROAD; DES MOINES,
	   IOWA FALLS & NORTHERN RAILROAD; CHICAGO, ROCK ISLAND & PACIFIC RAILROAD;
	   CHOCTAW, OKLAHOMA & GULF RAILROAD]
RI&G	   CHICAGO, ROCK ISLAND & GULF RWY
RIC	   ROANOKE INDUSTRIAL CENTER
RICU       RINNEN GMBH & CO. KG INTERNATIONALE SPEDITION
RICX	   *REID ICE CREAM CORP.
RICX	   *RUSTLESS IRON CORP. OF AMERICA
RICX       +ROCKWELL INTERNATIONAL CORPORATION
RICZ	   *ILLINOIS CENTRAL GULF RAILROAD CO. / TRANSAMERICA TRANSPORTATION SERVICES INC.
RICZ	   *RINKER CIDCO
RIG	   CHICAGO, ROCK ISLAND & GULF RWY. [CHICAGO, ROCK ISLAND & TEXAS RR;
	   CHICAGO, ROCK ISLAND & MEXICO RR]
RIIX	   REILLY INDUSTRIES, INC.
RILX       *INTERAIL, INC.
RILX       +GARVEY INTERNATIONAL INC., GARVEY GRAIN DIVISION
RIMS       GEORGE RIMES TRUCKING CO
RIMT       ROCK ISLAND MOTOR TRANSIT CO
RIMX       *READY MIXED CONCRETE COMPANY
RIMX	   +RAIL & MOTOR INTERNATIONAL LTD.
RING       RINGSBY TRUCK LINES INC
RIPL       RINGSBY-PACIFIC LTD.
RIPX	   *ROCK ISLAND PETROLEUM CO.
RIPX       *ROCHESTER INDEPENDENT PACKER, INC.
RIPZ	   ROANOKE INDUSTRIAL PARK
RIRX	   *ROCK ISLAND OIL & REFINING CO. [DUNCAN OIL CO., INC.]
RIRX	   +SOUTHEASTERN INDUSTRIAL ENTERPRISES, INC.
RIS	   ROCK ISLAND SOUTHERN RWY. CO.
RISS       RISS AND CO INC
RISX	   REPUBLIC STEEL CORP. [REPUBLIC IRON & STEEL CO.]
RISZ	   RILEY SPUR
RIX	   ROBINSON & ICE
RJAX	   R. J. ALLISON CO.
RJBX	   R. J. BROWN CO.
RJCC       R. J. CORMAN RAILROAD COMPANY - CENTRAL KENTUCKY LINES
RJCK       R. J. CORMAN RAILROAD COMPANY - TENNESSEE TERMINAL LLC
RJCL       R. J. CORMAN RAILROAD COMPANY - CLEVELAND LINE
RJCM       R. J. CORMAN RAILROAD COMPANY - MEMPHIS LINE
RJCN       R. J. CORMAN RAILROAD COMPANY - ALLENTOWN LINES, INC.
RJCP       R. J. CORMAN RAILROAD COMPANY - PENNSYLVANIA LINES, INC.
RJCR       R. J. CORMAN RAILROAD COMPANY - BARDSTOWN KY LINE
RJCV       R. J. CORMAN RAILROAD COMPANY - WEST VIRGINIA LINE
RJCW       R. J. CORMAN RAILROAD COMPANY - WESTERN OHIO LINE
RJCZ	   TRANSAMERICA TRANSPORTATION SERVICES INC.
RJNX       R.H. BOGLE CO. [BOGLE INDUSTRIES]
RJOX	   RAJAH OIL & REFINING CO.
RJRX       R. J. ROESLING & CO. (SHIPPERS CAR LINE, DIV. of ACF INDUSTRIES)
RKCX       *KNOX KERSHAW INC (ROYCE KERSHAW CO., INC.)
PKCX	   +BALFOUR BEATTY RAIL, INC.
RKG        ROCKINGHAM RAILROAD CO.
RKMW       CHICAGO, ROCK ISLAND & PACIFIC RAILROAD (ROCK ISLAND), MILWAUKEE ROAD OPERATIONS
RKO	   RKO GENERAL
RKSZ	   KANSAS CITY SOUTHERN RWY. CO. / TRANSAMERICA TRANSPORTATION SERVICES INC.
RKTZ       MISSOURI PACIFIC RAILROAD / TRANSAMERICA TRANSPORTATION SERVICES INC. (TRANSAMERICA LEASING INC.)
RL	   RUTLAND LINE, INC.
RLCX	   *ANDY INTERNATIONAL, INC. [ANDY EQUIPMENT, INC.]
RLCX	   +RELCO LOCOMOTIVES
RLCZ	   ROPER LUMBER CO.
RLDX	   R & L DEVELOPMENT CO.
RLEX	   REPUBLIC LOCOMOTIVES, INC. (RELCO LOCOMOTIVES, INC.)
RLGN       RAILINK CANADA LIMITED, d/b/a MACKENZIE NORTHERN RAILWAY
RLGX       *ROBERTO DE LA GARZA Y HNOS, SA
RLGX	   +RAIL LOGIX, LP
RLHH       *RAILINK CANADA LIMITED d/b/a RAILINK SOUTHERN ONTARIO
RLHH	   +SOUTHERN ONTARIO RAILWAY
RLIX       RAIL LINK, INC.
RLK        RAILINK CANADA LIMITED d/b/a RAILINK OTTAWA VALLEY
RLKX	   R.L. & S.S. KLEIN
RLMX       DAVID J. JOSEPH COMPANY (JOSEPH TRANSPORTATION INC.) (MARK ELIMINATED 2009)
RLNU	   TRANSAMERICA TRANSPORTATION SERVICES INC.
RLNZ	   *LOUISVILLE & NASHVILLE RAILROAD (REGISTRATION ELIMINATED FEB. 1983)
RLNZ       +SEABOARD SYSTEM RAILROAD INC. / TRANSAMERICA TRANSPORTATION SERVICES INC. 
	   (RETIRED 04-06-93)
RLSX       ROBERT L. SHIPP
RLPX	   RAIL POWER SERVICES LLC
RLSZ	   REDLINE STONE
RLTX       RANDOLPH L. JOHNSTON
RLVZ	   TRANSAMERICA TRANSPORTATION SERVICES INC.
RLX	   RICHARDSON LUBRICATING CO.
RMAX	   *AMERICAN REFRIGERATOR TRANSIT CO.
RMAX	   +ROCKY MOUNTAIN RAIL SOCIETY
RMBX	   AMERICAN REFRIGERATOR TRANSIT CO.
RMCU       RMC (TRANCOLEASING) LTD.
RMCX	   *REID, MURDOCH, DIV. CONSOLIDATED GROCERS CORP.
RMCX	   *READE MANUFACTURING CO., INC.
RMCX       *REYNOLDS METALS COMPANY - MARK ELIMINATED 2009
RMCX       +ALUMINUM COMPANY OF AMERICA
RMCZ       *MAIN CENTRAL RAILROAD CO. / TRANSAMERICA TRANSPORTATION SERVICES INC. 
	   (RETIRED 04-06-93)
RMCZ	   +RINKER MATERIALS CORP.
RMDX       (MLCX) AMERICAN REFRIGERATOR TRANSIT CO.
RMGX       THE ANDERSONS-RAIL GROUP [RAILCAR LIMITED]
RMHX	   REDONDO MARINE HARDWARE
RMIU       MI ENVIRONMENTAL SERVICES
RMIX       READY MIXED CONCRETE CO.
RMJX	   RIECK-MCJUNKIN DAIRY CO.
RMLU       ROYAL MAIL LINES LTD.
RMLX	   RMG LEASING, LLC
RMMX       THE ANDERSONS-RAIL GROUP [(RMGX) RAILCAR LIMITED]
RMNZ	   *TRANSAMERICA TRANSPORTATION SERVICES INC.
RMNZ       +CSX TRANSPORTATION, INC.
RMPX	   PROGRESS RAIL SERVICES CORP. [RAILCAR, LTD.]
RMPZ	   *READY MIX PLANT
RMPZ       *MISSOURI PACIFIC RAILROAD / TRANSAMERICA LEASING INC
RMRR       ROCKY MOUNTAIN RAILCAR & RAILROAD, INC
RMRX	   ROCKY MOUNTAIN RAILTOURS
RMS        RESERVED JJM
RMSX       *PANDROL JACKSON, INC
RMSX	   +HARSCO TRACK TECHNOLOGIES 
RMX	   *ROWENA MATHIS TANK LINE [WARREN TANK CAR CO.]
RMX        *READY MIXED CONCRETE CO
RMZ	   ROCHELLE MINE
RNCX	   NORTH CAROLINA DEPT. OF TRANSPORTATION, RAIL DIV.
RNCZ	   TRANSAMERICA TRANSPORTATION SERVICES INC.
RNDX       AMERICAN RAILCAR LEASING, INC. [ACF INDUSTRIES INC. AMCAR DIV.]
RNGX	   RURAL NATURAL GAS CO.
RNHZ	   TRANSAMERICA TRANSPORTATION SERVICES INC.
RNRH       ROANOKE CHAPTER-NRHS INC
RNRX	   READING & NORTHERN RAILROAD SYSTEMS
RNSX	   *RAUSCH NAVAL STORES CO., INC.
RNSX	   +RAILRUNNER N.A., INC.
RNWX	   ALAN WOOD STEEL CO. [RAINEY-WOOD COKE CO.]
RNWZ	   *NORFOLK & WESTERN RAILWAY CO. (REPORTING MARK ELIMINATED FEB. 1983)
RNWZ       +NORFOLK SOUTHERN / TRANSAMERICA TRANSPORTATION SERVICES INC. 
	   (RETIRED 04-06-93)
ROAD       ROAD COMMERCE CORPORATION
ROAR       ROAD AND RAIL TRUCKING COMPANY
ROBZ       ROBCO TRANSPORTATION, INC.
ROCK       CHICAGO, ROCK ISLAND & PACIFIC RAILROAD (ROCK ISLAND)
ROCX	   *ROCK ISLAND IMPROVEMENT COMPANY (ROCK ISLAND)
ROCX	   +ROCKY MOUNTAIN TRANSPORTATION SERVICES
ROCZ	   TRANSAMERICA TRANSPORTATION SERVICES INC.
ROEZ       ROEHL TRANSPORT INC.
ROFL       ROCKET FREIGHT LINES
ROIX       SHINTECH INC
ROKX	   *ALPHA CRUSHED STONE, INC.
ROKX	   +CAROLINA POWER & LIGHT CO. d/b/a PROGRESS ENERGY CAROLINAS, INC.
ROLU       RO-LO PACIFIC LINE
ROLX	   *ROYAL MANUFACTURING CO. OF DUQUESNE
ROLX	   *ROBSON LEATHER CO., LTD.
ROLX	   +EMPIRE RAILCAR CORP.
ROMX	   ROY O. MARTIN LUMBER CO., INC.
ROPX       RAIL OPERATORS, INC.
ROR        FORMERLY ROCKTON & RION RAILROAD
RORX	   *RADIO OIL REFINERIES, LTD.
RORX	   +RED OAK RAIL TRANSPORT, LLC
RORZ	   ROBINSON RUN
ROST	   ROBLIN STEEL
ROT	   RAIL OR TRAIL CORP.
ROTX	   *PENNSYLVANIA-CONLEY TANK LINE, DIV. GENERAL AMERICAN TRANSPORTATION CORP.
ROX	   ATLANTIC RICHFIELD CO. [RICHFIELD OIL CORP.]
ROXX	   ROCKY MOUNTAIN RECYCLING, INC.
ROYU       ROYAL NETHERLANDS
ROYX       *TCL INC.
ROYX	   *CHARTRAND'S TANK CAR SERVICE, INC.
RPAX       RHODIA, INC. [(RPBX) RHONE-POULENC BASIC CHEMICALS COMPANY]
RPAZ	   RAILROAD PROPERTIES ASSOCIATES
RPBX       *RHONE-POULENC BASIC CHEMICALS COMPANY
RPBX	   +RHODIA, INC. - REGISTRATION ELIMINATED 2011
RPCX	   *ROBESON PROCESS CO.
RPCX       *RALSTON PURINA CO.
RPCX	   +RAILROAD PASSENGER CAR NUMBERING BUREAU, INC.
RPCZ	   *TRANSAMERICA TRANSPORTATION SERVICES INC.
RPCZ	   *RALSTON PROTEIN CO,
RPDX	   ROCKFORD PARK DISTRICT
RPHX       NATIONAL CAR CO.
RPIX       RHONE-POULENC INC.
RPIZ	   ROPER PUMP, INC.
RPMX	   RPMG, INC.
RPMZ       PUERTO RICO MARITIME SHIPPING AUTHORITY / TRANSAMERICA TRANSPORTATION SERVICES INC. 
	   (TRANSAMERICA LEASING, INC.)
RPNX	   RHODIA, INC.
RPOX	   REFINERY PRODUCTS CO., DIV. QUVOE CHEMICAL INDUSTRIES, INC.
RPPX	   *RESOLUTION PERFORMANCE PRODUCTS LLC
RPPX	   +HEXION SPECIALTY CHEMICALS, INC.
RPRC	   RICHMOND PACIFIC RAILROAD CORP.
RPRK       RAILCAR-PARKER INC.
RPRX       *RATH PACKING CO. (NACCO [MATHER STOCK CAR CO.])
RPRX	   *RAILPOWER HYBRID TECHNOLOGIES CORP.
RPS        RAILROAD PUBLICATION SERVICES
RPS        ROADWAY PACKAGE SYSTEM, INC.
RPSX       *RAIL PASSENGER SERVICE, INC.
RPSX	   +SIERRA MADRE EXPRESS, INC.
RPTX	   *REPUBLIC OIL CO.
RPWZ       TRANSAMERICA TRANSPORTATION SERVICES INC. (RETIRED 04-06-93)
RPX	   SHELL OIL CO. [ROXANA PETROLEUM CORP.]
RQAX	   RAILQUEST AMERICA, INC.
RR         CONSOLIDATED RAIL CORP. [RARITAN RIVER RAILROAD]
RRAR       UMLER TEST ROAD NO.13
RRB        RAMPART RANGE CORPORATION
RRBX       RAMPART RANGE CORPORATION
RRC	   *RESPONDEK RAILROAD CORP.
RRC	   *REDMONT RAILWAY COMPANY
RRCI       REDMONT RAILWAY COMPANY
RRCO       ROCHELLE RAILROAD COMPANY
RRCX	   *REGENT REFINING (CANADA) LTD.
RRCX       +RADER RAILCAR, INC.
RRCZ	   TRANSAMERICA TRANSPORTATION SERVICES INC.
RRD	   ADOLPH COORS COMPANY
RREX       *REX RAILWAYS INC.
RREX       +(NATX) GENERAL ELECTRIC RAIL SERVICES CORPORATION [ITEL RAIL CORP.]
RRFZ       RICHMOND, FREDDRICKSBURG & POTOMAC RR / TRANSAMERICA TRANSPORTATION SERVICES INC. 
	   (RETIRED 04-06-93)
RRGX	   RANGER REFINING & PIPE LINE CO.
RRGZ       DENVER & RIO GRANDE WESTERN RR / TRANSAMERICA TRANSPORTATION SERVICES INC. 
	   (RETIRED 04-06-93)
RRIX       RADER RAILCAR II INC.
RRLX       *RAILROAD RESOURCES INC. (MOW CARS)
RRLX	   +RAIL LOGISTICS, LC
RRMX	   RRM PROPERTIES LTD., CALIFORNIA LP
RROX	   RROX, LTD.
RRP	   *RAILROAD PASSENGER CAR SERVICE
RRP        *RETIRED 05-15-92 ATP (0938)
RRPX	   *RANGER REFINING & PIPE LINE CO.
RRPX	   *MORRISTOWN & ERIE RAILWAY
RRPX	   +RAILROAD POWER LEASING LLC
RRRR	   *RARITAN RIVER RAILROAD (RRRR is an abbreviation commonly used for this railroad.
	    It however is not an official AAR reporting mark for the Raritan River Railroad. See RR)
RRRR       +ROCK & RAIL INCORPORATED
RRRX	   *RED RIVER REFINING CO., INC.
RRRX       +REX LEASING, INC. [GENERAL ELECTRIC RAILCAR SERVICES CORP.; 
	   ITEL RAIL CORP.] - REGISTRATION ELIMINATED 2011
RRTX       *(TTX) UMLER TEST ROAD NO.14
RRTX	   +RAILROAD TECHNOLOGY CORP.
RRVW       RED RIVER VALLEY & WESTERN RAILROAD CO.
RRWX       SOUTH CAROLINA RAILROAD MUSEUM, INC.
RS         ROBERVAL & SAGUENAY RAILWAY CO.
RS&P	   ROSCOE, SNYDER & PACIFIC RWY.
RSA	   REPUBLIC STEEL CO.(ALABAMA)
RSB        ROCHESTER SUBWAY
RSBZ	   TRANSAMERICA TRANSPORTATION SERVICES INC.
RSCX	   *RALSTON STEEL CAR CO.
RSCX       *REPUBLIC STEEL CO.
RSCX	   *RESCAR
RSCZ	   *SEABOARD COAST LINE RAILROAD CO. (REGISTRATION ELIMINATED FEB. 1983
RSCZ       *SEABOARD SYSTEM RAILROAD INC. / TRANSAMERICA TRANSPORTATION SERVICES INC. 
RSCZ	   +RYERSON STEEL CO.
RSEX	   RIVERSIDE CHEMICAL CO.
RSFZ       ATCHISON, TOPEKA & SANTA FE / TRANSAMERICA TRANSPORTATION SERVICES INC. 
	   (TRANSAMERICA LEASING INC)
RSGX       (MDT) MERCHANTS DESPATCH TRANSPORTATION CORP.
RSHX	   ROSHE' LLC
RSIX	   *REID SUPPLY CO.
RSIX	   *RAIL SWITCHING, LLC
RSIZ       RAIL SERVICES, INC.
RSLX	   *RSL CORPORATION
RSLX	   *RESOLUTION PERFORMANCE PRODUCTS [SHELL EPOXY RESINS]
RSLX	   +HEXION SPECIALTY CHEMICALS, INC.
RSLZ	   SOO LINE RAILROAD CO. / TRANSAMERICA TRANSPORTATION SERVICES INC.
RSM        RAILROAD SWITCHING SERVICE OF MISSOURI, INC.
RSNR       RED SPRINGS & NORTHERN RAILROAD CO.
RSNX	   RAILRUNNER N.A., INC.
RSNY	   REPUBLIC STEEL (NEW YORK)
PSO	   REPUBLIC STEEL (OHIO)
RSOR	   RICEBORO SOUTHERN RAILWAY
RSOX	   *RESOLUTION PERFORMANCE PRODUCTS [SHELL EPOXY RESINS] 
RSOX	   +GENERAL ELECTRIC RAIL SERVICES CORP.)
RSP        ROSCOE, SNYDER & PACIFIC RAILWAY CO.
RSPX       (NATX) GEN. ELECTRIC RAILCAR SERVICES CORP. [ITEL RAIL CORP.; EVANS
	   RAILCAR LEASING CO.; U.S. RAILWAY LEASING CO.; RSP CAR CO.]
RSPZ       SOUTHERN PACIFIC TRANSPORTAION CO. /TRANSAMERICA TRANSPORTATION SERVICES INC. 
	   (TRANSAMERICA LEASING INC)
RSR        ROCHESTER & SOUTHERN RAILROAD, INC.
RSRU       NORFOLK SOUTHERN RAILWAY CO.
RSRX       *REVERE SUGAR REFINERY
RSRX	   *RIMROCK SCENIC RAIL TOURS
RSRZ       NORFOLK SOUTHERN / TRANSAMERICA TRANSPORTATION SERVICES INC. 
RSS	   *ROCHESTER SUBWAY
RSS        +ROCKDALE, SANDOW & SOUTHERN RAILROAD CO. - REGISTRATION ELIMINATED 2011
RSSX	   *RAIL SWITCHING SERVICE, INC.
RSSX	   +RAILSERVE, INC.
RSTX       RSTX INC. [RSP MOTOR TRANSPORT CO.]
RSUX       RILEY STOKER CORP.
RSVX	   RAILSERV FUNDING CORP. (RAILSERV MANAGEMENT CORP.)
RSWZ	   *ST. LOUIS SOUTHWESTERN RWY. CO. (REPORTING MARK ELIMINATED MAY 1983)
RSWZ       +ST. LOUIS SOUTHWESTERN RWY. CO. / TRANSAMERICA TRANSPORTATION SERVICES INC.
	   (TRANSAMERICA LEASING INC)
RSX	   A. M. RICHTER SONS CO.
RSYX       REFINED SUGARS INC.
RT         *RIVER TERMINALS RAILWAY COMPANY
RT	   +ISG CLEVELAND WORKS RWY. CO. d/b/a CLEVELAND WORKS RWY. CO.
RTA        REGIONAL TRANSPORTATION AUTHORITY (NOT AN OPERATING RAILROAD)
RTAX	   *RENFE TALGO OF AMERICA, INC.
RTAX       +RIO TINTO ALCAN
RTCX       (UTCX) UNION TANK CAR CO [REPUBLIC TANK CAR CO.]
RTDZ	   REGIONAL TRANSPORTATION DISTRICT (DENVER)- BUS & LIGHT RAIL
RTEX	   *ROSMAN TANNING EXTRACT CO.
RTEX	   *REESE ENTERPRISES, INC. [REESE TANK CAR LEASING CORP.]
RTEX       +RAIL TRUSTS EQUIPMENT INC.
RTI	   RAIL TOURS, INC.
RTIX       RTI-RAILROAD SERVICES [RAIL EQUIPMENT & TRANSPORTATION, INC.}
RTLX	   *ROBY TANK LINE
RTLX	   *AMERICAN MAIZE PRODUCTS CO.
RTLX       +RELCO TANK LINE INC. (RELCO NEVADA CORP., RELCO TANK LINE DIV.)
RTM	   RAILWAY TRANSFER COMPANY OF MINNEAPOLIS
RTMX       (NATX) GENERAL ELECTRIC RAIL SERVICES CORP. [RICHMOND LEASING CO.;
	   MARATHON LEASING CO.]
RTMZ       TRAILER MARINE TRANSPORT CORP. / TRANSAMERICA TRANSPORTATION SERVICES INC. 
	   (TRANSAMERICA LEASING, INC.)
RTOZ       TOTEM OCEAN TRAILER EXPRESS INC. TRANSAMERICA TRANSPORTATION SERVICES INC. 
	   (RETIRED 04-06-93)
RTPX       *SAVAGE-TOLK ENERGY SERVICES [(WCSX) WHEELABRATOR COAL SERVICES CO.] 
RTPX	   +GENERAL ELECTRIC RAIL SERVICES CORP.
RTRC	   RICHMOND TERMINAL RAILWAY CO.
RTRU       ROAD TRAILER RENTALS INC.
RTRX	   *E. I. DU PONT DE NEMOURS & CO., INC.
RTRX	   *RAILTOWN 1897 RAILROAD
RTRX       +ROCKY MOUNTAIN TRANSPORTATION SERVICES
RTRZ       ROAD TRAILER RENTALS LTD.
RTSR	   RAIL TRANSPORTATION SERVICES, INC.
RTSX       RAIL TRANSPORTATION SERVICES, INC.
RTTX	   *RAPID TRANSIT TANK CAR LINE
RTTX       +TTX COMPANY
RTTZ	   *PUERTO RICO MARITIME SHIPPING AUTHORITY / TRANSAMERICA TRANSPORTATION SERVICES INC.
	   (RETIRED 04-06-93)
RTTZ       +UNION PACIFIC
RUDX       RUDDY TANK CAR COMPANY
RUPZ	   TRANSAMERICA TRANSPORTATION SERVICES INC.
RUSX	   *RESINERA URUAPAN, SA
RUSX       +FIRST UNION RAIL [USL CAPITAL RAIL SERVICES; RAIL-U.S. LEASING, INC.(US RAIL SERVICES INC.)]
RUT        (VTR) VERMONT RAILWAY, INC. [RUTLAND RAILROAD]
RUTX	   PAN-AM SOUTHERN CORP. [ROOT PETROLEUM]
RUX	   RUBEROID CO.
RV         RAHWAY VALLEY RAILROAD CO.
RVCX	   RICHTER VINEGAR CORPORATION
RVIX	   RAIL VENTURE
RVLX	   REINHARDT VINEGAR
RVLZ       TRANSAMERICA TRANSPORTATION SERVICES INC. (TRANSAMERICA LEASING, INC.)
RVPR	   RIVERPORT RAILROAD, LLC
RVPZ	   RUSSETT VALLEY PRODUCE
RVRR       RIO VALLEY RAILROAD, INC (OUT OF EXISTENCE)
RVSC       RIO VALLEY SWITCHING COMPANY
RVX	   ROSSVILLE COMMERCIAL ALCOHOL CORP. [ROSSVILLE CO.]
RWBX       PETROLEUM FUELS COMPANY
RWCX	   *ROMA WINE CO.
RWCX       +RWC, INC.
RWMX       RAILWAY MANAGEMENT, INC.
RWMZ	   TRANSAMERICA TRANSPORTATION SERVICES INC.
RWOX	   RIVERSIDE WESTERN OIL CO.
RWPZ	   WESTERN PACIFIC RAILROAD CO. / TRANSAMERICA TRANSPORTATION SERVICES INC.
RWSX       GEORGIA POWER - SCHERER ELECTRIC GENERATING FACILITY
RWTX       *RAILWEST US INCORPORATED
RWTX	   +RAILCAR LEASING SOLUTIONS LTD.
RWXC       R W SERVICE SYSTEM INC
RX	   OKLAHOMA TANK CAR CO.
RXXZ       TRANSAMERICA TRANSPORTATION SERVICES INC. (TRANSAMERICA LEASING INC)
RY	   RAHWAY VALLEY COMPANY
RYAN	   RYAN INDUSTRIES
RYCU       DE RYCKE VLOEITRANSPORT B.V.
RYDE       RETIRED 11-02-93 ATP
RYDR       RYDER TRUCK LINES INC.
RYFZ	   RYDMAN & FOX INC.
RYNX	   RYAN INDUSTRIES
RYR&C	   RICHMOND, YORK RIVER & CHESAPEAKE RAILROAD (SOUTHERN RWY.;
	   PIEDMONT AIR LINE OF RICHMOND & DANVILLE RAILROAD SYSTEM)