List of reporting marks: R

R

 * RABU - Rabanco Companies
 * RACN - Raccoon River Railroad
 * RACU - Acciona Logistica
 * RACX - General Electric Rail Services Corporation
 * RACX - Union Tank Car Company (child mark of UTCX)
 * RAEU - Reach America Esg Ltd
 * RAFU - Oxitec S R L
 * RAFX - Rose Acre Farms Inc
 * RAGU - Rabanco Companies (child mark of RABU)
 * RAHU - IGL Limited
 * RAIL - Railinc Corporation (Switch Terminal Carrier)
 * RAIU - Rainbow Containers Gmbh
 * RAIX - Union Carbide Corporation (Subsidiary of Dow Chemical Company USA, child mark of UCFX)
 * RAJX - Rail Logix Alamo Junction, LLC (Elmendorf, Texas)
 * RALU - Royal Arctic Line A/S
 * RALX - Radnor Rail Ltd
 * RAMX - RailAmerica
 * RAMX - Rail Merchants International
 * RANU - Rabanco Companies (child mark of RABU)
 * RAPX - Rapco Transportation Company
 * RARW - Rarus Railway Company (Class 3 Railroad)
 * RASU - Raseef Containers Services LLC
 * RASX - C A Rasmussen
 * RATU - Royal Atlantic LLC
 * RATX - Railtex Service Co Inc
 * RAVU - Flex Box Limited
 * RAWX - Platte River Power Authority
 * RAX - RPI-AAR Cooperative Test Program
 * RAX - Railroad Passenger Car Numbering Bureau (Shop Mark)
 * RBBN - Burlington Northern Railway
 * RBBQ - Burlington Northern Railway
 * RBBU - Besed
 * RBBX - Ringling Brothers and Barnum and Bailey Circus
 * RBCS - Burlington Northern Railway
 * RBMN - Reading Blue Mountain and Northern Railroad; Reading and Northern
 * RBNX - Fruit Growers Express
 * RBOX - Railbox Company; TTX Corporation
 * RBW - Burlington Northern Railway
 * RC  - Rosslyn Connecting Railroad
 * RCCX - Relco Nevada Corporation (Relco Tank Line Division)
 * RCOX - Arco Products Company
 * RCRX - Reagent Chemical and Research, Inc.
 * RCSX - Red-Corn Scrap Metals, Inc.
 * RDG - Reading Railroad; Norfolk Southern
 * RDTX - R.E.D. Technologies, LLC
 * RE  - Relco
 * RECX - Central Louisiana Electric Company
 * REDX - Saudi Research and Development Corporation, Ltd. (REDEC)
 * REDZ - REDON Incorporated
 * REGX - Regus Industries LLC
 * RELX - Relco Nevada Corporation (Relco Tank Line Division)
 * RESX - Rescar, Inc.
 * RFCX - R&F Coal Company
 * RFMX - Robert F. Miller; Caldwell-Baker
 * RFP - Richmond, Fredericksburg and Potomac Railroad; CSX Transportation
 * RGCX - Rio Grande Chemical Sales Company
 * RGIX - Republic Gas and Utilities Corporation
 * RGS - Rio Grande Southern Railroad
 * RGW - Rio Grande Western Railway
 * RHAX - Sulphur Sales, Inc.
 * RHBX - R. H. Bogle Company
 * RHRX - Rahr Malting Company
 * RI  - Chicago, Rock Island and Pacific Railroad Chicago Rock Island & Pacific Railroad LLC (Rock Island Rail)
 * RIIX - Reilly Industries, Inc.
 * RILX - Chicago, Rock Island & Pacific Railroad LLC/Rock Island Lines
 * RJCC - R.J. Corman Railroad/Central Kentucky Lines
 * RJCP - R.J. Corman Railroad/Pennsylvania Lines
 * RJCW - R.J. Corman Railroad/Western Ohio Line
 * RJNX - R. H. Bogle Company
 * RKCX - Knox Kershaw, Inc.
 * RKGX - River King Coal Company
 * RKMW - Chicago, Rock Island and Pacific Railroad (Rock Island) Milwaukee Road directed operations
 * RLAX - Rail Logix, LLC (Ameriport/Baytown, Texas)
 * RLGN - Mackenzie Northern Railway
 * RLCX - RELCO
 * RLGX - Rail Logix, LP (Port Crossing/La Porte, Texas)
 * RLIX - Rail Link Inc.
 * RLK - Rail Link
 * RLKX - R. L. and S. S. Klein
 * RLSX - Robert L. Shipp
 * RMCX - Reynolds Metals Company
 * RMDX - American Refrigerator Transit Company
 * RMPX - Progress Rail Services Corporation; Railcar Ltd.
 * RMRX - Rocky Mountaineer
 * RNDX - ACF Industries
 * ROCK - Chicago, Rock Island and Pacific Railroad, Chicago Rock Island & Pacific Railroad LLC (Rock Island Rail)
 * ROCX - Rock Island Improvement Company (Rock Island); Rocky Mountain Transportation Services
 * ROIX - Shintech, Inc.
 * ROYX - TCL, Inc.
 * RPCX - Railroad Passenger Car Numbering Bureau
 * RPDX - Rapido Trains Inc.
 * RPRC - Richmond Pacific Railroad
 * RPRX - Railpower Hybrid Technologies Corp
 * RR  - Conrail
 * RRC - Respondek Railroad Corporation
 * RREX - Rex Railway
 * RRLX - Railroad Resources, Inc. (maintenance of way cars)
 * RRLX - Rail Logistics Inc. / Rail Logistics LC
 * RRMX - Robertson's Ready Mix / RRM Properties Ltd, A California Limited Partnership
 * RRPX - Railroad Power Leasing
 * RRRR - Rock & Rail Inc.
 * RRRX - Rex Leasing, Inc.
 * RS  - Roberval and Saguenay Railway
 * RSB - Rochester Subway
 * RSLX - RSL Corporation
 * RSOR - Riceboro Southern Railway
 * RSP - Roscoe, Snyder and Pacific Railway
 * RSPX - Evans Railcar Leasing
 * RSR - Rochester and Southern Railroad
 * RSS - Rochester Subway; Rockdale, Sandow and Southern Railroad
 * RSSX - RAILSERV Management Corporation
 * RSTX - RSTX, Inc.
 * RSUX - Riley Stoker Corporation
 * RSVX - RAILSERV Management Corporation
 * RSYX - Refined Sugars, Inc.
 * RT  - River Terminals Railway
 * RTCX - Union Tank Car Company
 * RTDX - Regional Transportation District; RTD Bus & Light Rail
 * RTEX - Rail Trusts Equipment
 * RTLX - Relco Nevada Corporation (Relco Tank Line Division)
 * RTM - Réseau de transport métropolitain
 * RTMX - Richmond Leasing Company
 * RTPX - Wheelabrator Coal Services Company
 * RTTX - TTX Corporation
 * RUDX - Ruddy Tank Car Company
 * RUSX - US Rail Services, Inc.
 * RUT - Rutland Railroad; Vermont Railway
 * RV  - Rahway Valley Railroad; Morristown & Erie
 * RVCX - Richter Vinegar Corporation
 * RVLX - Reinhardt Vinegar