| 4901 | RLCN | ROBINCREST LANDSCAPING & CONSTRUCTI | SCAC3 | ||
| 4902 | RLCO | RLC TRANSPORTATION CO INC | SCAC3 | ||
| 4903 | RLCO | RUSSELL OIL COMPANY OF VIRGINIA INC | SCAC4 | ||
| 4904 | RLCP | RELIANCE TRANSPORT INC | SCAC4 | ||
| 4905 | RLCQ | R L CARTAGE | SCAC3 | ||
| 4906 | RLCQ | REMINGTON LAND & CATTLE | SCAC4 | ||
| 4907 | RLCU | ARCATRANS INC., LTD. | SCAC3 | ||
| 4908 | RLCU | DEFENCE CONTAINER MANAGEMENT SERVIC | SCAC4 | ||
| 4909 | RLCW | RYLAN LOGISTICS CORP | SCAC4 | ||
| 4910 | RLCX | ANDY INTERNATIONAL, INC. [ANDY EQUIPMENT, INC.] | PWRC | ||
| 4911 | RLCX | RELCO | RSRV | ||
| 4912 | RLCX | RELCO LOCOMOTIVES INC | SCAC4 | ||
| 4913 | RLCX | Relco Locomotives Inc. | Real: RLEX | USA | TRAFFIC |
| 4914 | RLCY | ROE OIL COMPANY INC | SCAC4 | ||
| 4915 | RLCZ | ROPER LUMBER CO. | PWRC | ||
| 4916 | RLDB | RALEY, DELBERT TRUCKING | SCAC3 | ||
| 4917 | RLDC | ROLLINS DEDICATED CARRIAGE SERVICES | SCAC3 | ||
| 4918 | RLDC | RANGELAND COOPERATIVES INC | SCAC4 | ||
| 4919 | RLDE | R & L DRAY CO INC | SCAC4 | ||
| 4920 | RLDF | ROMELI LOGISTICS INC | SCAC4 | ||
| 4921 | RLDG | RED LINE DISTRIBUTION GUILD INC | SCAC3 | ||
| 4922 | RLDI | R & L DISTRIBUTORS | SCAC3 | ||
| 4923 | RLDI | RLD TRANSPORTATION INC | SCAC4 | ||
| 4924 | RLDK | ROLANDS TRUCKING | SCAC3 | ||
| 4925 | RLDM | REAL DESROCHES | SCAC4 | ||
| 4926 | RLDN | RICHLAND TRANSPORTATION (A DIV OF W | SCAC3 | ||
| 4927 | RLDN | RELIABLE DELIVERY SOLUTIONS | SCAC4 | ||
| 4928 | RLDO | ROWLAND TRANSPORTATION INC | SCAC3 | ||
| 4929 | RLDP | RAIL DIRECT TRANSPORTATION COMPANY | SCAC4 | ||
| 4930 | RLDQ | RELDA CARTAGE CO | SCAC3 | ||
| 4931 | RLDR | R & L DELIVERY SERVICE | SCAC3 | ||
| 4932 | RLDS | RELIABLE DELIVERY SERVICE | SCAC4 | ||
| 4933 | RLDT | ROLAND TRANSPORT INC | SCAC3 | ||
| 4934 | RLDT | ROLAND TRANSPORT INC | SCAC4 | ||
| 4935 | RLDV | RELIABLE DELIVERY | SCAC3 | ||
| 4936 | RLDX | R & L DEVELOPMENT CO. | PWRC | ||
| 4937 | RLDX | R & L DEVELOPMENT COMPANY | SCAC4 | ||
| 4938 | RLDY | R & L DELIVERY | SCAC3 | ||
| 4939 | RLE | Rico Linhas Aéreas | IATA: C7 | ICAO1 | |
| 4940 | RLEA | R & E INTERMODAL EXPRESS INC | SCAC3 | ||
| 4941 | RLEC | RED LION EXPRESS CO | SCAC3 | ||
| 4942 | RLED | ROBERTSON, LOUIS EDWARD | SCAC3 | ||
| 4943 | RLEH | RALEIGH TRUCKING SERVICE INC | SCAC3 | ||
| 4944 | RLEI | RELIANT LOGISTICS INC | SCAC4 | ||
| 4945 | RLEO | REGO'S LOWBED EQUIPMENT TRANSPORT | SCAC4 | ||
| 4946 | RLER | REX TRANSPORTATION COMPANY | SCAC4 | ||
| 4947 | RLES | RED LINE EXPRESS INC | SCAC3 | ||
| 4948 | RLET | RALEYS TOWING | SCAC3 | ||
| 4949 | RLET | READ LINE ENT LTD | SCAC4 | ||
| 4950 | RLEV | RICH-LEE VANS INC | SCAC3 | ||
| 4951 | RLEX | Republic Locomotives, Inc. | 7/2005 (not listed) | NAKINA | |
| 4952 | RLEX | Relco Locomotives, Inc. | 7/2000 (not listed) | NAKINA | |
| 4953 | RLEX | Republic Locomotives, Inc. | Jul-00 | NRHS | |
| 4954 | RLEX | REPUBLIC LOCOMOTIVES, INC. [RELCO LOCOMOTIVES, INC.] | PWRC | ||
| 4955 | RLEX | Relco Locomotives | RSRV | ||
| 4956 | RLEY | RILEY, DENNIS G | SCAC3 | ||
| 4957 | RLFD | RELIANCE FINANCE CO LTD | SCAC4 | ||
| 4958 | RLFE | RATCLIFFE & SONS | SCAC4 | ||
| 4959 | RLFF | ROLOFF TRUCKING | SCAC3 | ||
| 4960 | RLFG | RELIABLE FREIGHT SERVICES | SCAC3 | ||
| 4961 | RLFH | ROLLINS FURNERAL HOME INC | SCAC3 | ||
| 4962 | RLFI | RED LINE FREIGHT CARRIERS INC | SCAC4 | ||
| 4963 | RLFJ | RAMIREZ LINAREZ, FRANCISCO JAVIER | SCAC4 | ||
| 4964 | RLFL | ROL-LAND FARMS LTD | SCAC4 | ||
| 4965 | RLFM | RALSTON FARMS | SCAC4 | ||
| 4966 | RLFN | REMITALL FARMS INC | SCAC4 | ||
| 4967 | RLFQ | RUSH FREIGHT LINES INC | SCAC3 | ||
| 4968 | RLFR | RETAIL TRANSFER SERVICE INC | SCAC3 | ||
| 4969 | RLFT | RED LINE FREIGHT SYSTEMS | SCAC3 | ||
| 4970 | RLFT | REEEL FUEL TRANSPORTATION | SCAC4 | ||
| 4971 | RLFU | ROGERIO LEAL & FILHOS LDA | SCAC4 | ||
| 4972 | RLFV | R & L GLOBAL SERVICES | SCAC4 | ||
| 4973 | RLG | Regionalverkehr Ruhr-Lippe GmbH | Hamm | D | privat-bahn.de |
| 4974 | RLG | Regionalverkehr Ruhr-Lippe GmbH Soest u. Hochsauerland | D | TRAFFIC | |
| 4975 | RLG | Regionalverkehr Ruhr-Lippe | DE | VKM | |
| 4976 | RLGB | RILEPH GLOBAL TRANSPORT INC | SCAC4 | ||
| 4977 | RLGC | Railogic | DE | VKM | |
| 4978 | RLGG | RESCIGNO LOGISTICS GROUP LLC | SCAC4 | ||
| 4979 | RLGI | RESOURCE LOGISTICS INTERNATIONAL | SCAC4 | ||
| 4980 | RLGK | RADOM LOGIC GROUP INC | SCAC4 | ||
| 4981 | RLGM | RLG INTERMODAL COMPANY | SCAC4 | ||
| 4982 | RLGN | RaiLink Canada Ltd, d/b/a RaiLink Mackenzie Northern | added 7/1998; 7/2000; eliminated 10/2004; 7/2005 | NAKINA | |
| 4983 | RLGN | RaiLink Canada Ltd, d/b/a RaiLink Mackenzie Northern | added 7/98; 7/2000 | NRHS | |
| 4984 | RLGN | RAILINK CANADA LIMITED, DBA MACKENZIE NORTHERN RAILWAY | PWRC | ||
| 4985 | RLGN | Mackenzie Northern Railway | RSRV | ||
| 4986 | RLGO | ROLLING OATS LTD | SCAC3 | ||
| 4987 | RLGO | ROGERS LOGISTICS GROUP, THE | SCAC4 | ||
| 4988 | RLGP | RAMAR TRANSPORTATION & LOGISTICS GR | SCAC4 | ||
| 4989 | RLGQ | RDW LOGISTICS INC | SCAC4 | ||
| 4990 | RLGR | RILINGER TRUCKING | SCAC3 | ||
| 4991 | RLGS | REICH LOGISTIC SERVICES INC | SCAC4 | ||
| 4992 | RLGT | RAWLINGS TRUCKING INC | SCAC3 | ||
| 4993 | RLGX | Roberto de la Garza y Hnos, S.A. | added 1/1956; 10/1957-1/1980 | NAKINA | |
| 4994 | RLGX | Roberto de la Garza y Hnos, S.A. | 10/57-1/80 | NRHS | |
| 4995 | RLGX | *ROBERTO DE LA GARZA Y HNOS, SA | PWRC | ||
| 4996 | RLGX | +RAIL LOGIX, LP | PWRC | ||
| 4997 | RLGX | Rail Logix | RSRV | ||
| 4998 | RLGX | RAIL LOGIX LP | SCAC4 | ||
| 4999 | RLGX | Rail Logix | USA | TRAFFIC | |
| 5000 | RLHD | R L & H DISTRIBUTING CO INC | SCAC3 |