| 2901 | REKN | REA TRUCKING | | | SCAC4 |
| 2902 | REKO | REKO TOOL & MOULD | | | SCAC4 |
| 2903 | REKQ | RENN-LINK LLC | | | SCAC4 |
| 2904 | REKT | REX TRUCKING | | | SCAC3 |
| 2905 | REKU | REKTOR LNG D.O.O. | | HR | BIC |
| 2906 | REL | Reliance Aviation | Callsign: Reliance Air, | USA | AVCODES |
| 2907 | REL | Rotterdam Airlines B.V. | IATA: RY, Callsign: Romeo Yankee, Ceased operations | NL | AVCODES |
| 2908 | REL | Reliance Aviation | | | ICAO1 |
| 2909 | REL | 2 Rail | | DE | VKM |
| 2910 | RELA | RELIABLE AIR FREIGHT TRUCKING | | | SCAC3 |
| 2911 | RELA | REICHERT, L A | | | SCAC4 |
| 2912 | RELB | RELIABLE TRANSFER CORP | | | SCAC3 |
| 2913 | RELC | RELOCATION SYSTEMS LLC | | | SCAC4 |
| 2914 | RELD | REYNOLDS, MIKE TRUCKING COMPANY | | | SCAC3 |
| 2915 | RELD | ROAD EX LOGISTICS INC | | | SCAC4 |
| 2916 | RELF | RELIABLE TRANSFER CO | | | SCAC3 |
| 2917 | RELF | REDPINE EXPRESS LLC | | | SCAC4 |
| 2918 | RELG | REAL EXPRESS LOGISTICS GROUP | | | SCAC4 |
| 2919 | RELI | RELOCATION ADVISORS INC | | | SCAC3 |
| 2920 | RELI | RELIANCE EXPRESS INC | | | SCAC4 |
| 2921 | RELJ | RK EXPRESS LLC | | | SCAC4 |
| 2922 | RELK | REEFER EXPRESS LINES PTY | | | SCAC3 |
| 2923 | RELM | RABEL LIMITED | | | SCAC3 |
| 2924 | RELN | RETAIL LEASING CORPORATION | | | SCAC3 |
| 2925 | RELOC | RELOC S.A. | | RO | VKM |
| 2926 | RELP | REAL EXPRESS LOGISTICS GROUP SA DE | | | SCAC4 |
| 2927 | RELQ | RELIABLE CARTAGE CO | | | SCAC3 |
| 2928 | RELQ | ROCKPORT EXPRESS LLC | | | SCAC4 |
| 2929 | RELR | RELIANT TRUCKING | | | SCAC3 |
| 2930 | RELR | RC ENTERPRISE OF OHIO LLC | | | SCAC4 |
| 2931 | RELT | RELIABLE TRANSPORTATION SPECIALISTS | | | SCAC4 |
| 2932 | RELU | RINCHEM EQUIPMENT LEASING | | USA | BIC |
| 2933 | RELW | REDLINE ENTERPRISES LLC | | | SCAC4 |
| 2934 | RELX | Relco Tank Line, Inc. | added 10/1986; 1/1994-7/2005 | | NAKINA |
| 2935 | RELX | Relco Tank Line Division of Relco Nevada Corp. | added 10/1976; 1/1980; eliminated 10/1986 | | NAKINA |
| 2936 | RELX | Relco Tank Line, Inc. | added 1/1972; 1/1975; eliminated 10/1976 | | NAKINA |
| 2937 | RELX | Relco Leasing Corp. | added 7/1969; 4/1970; eliminated 1/1972 | | NAKINA |
| 2938 | RELX | Relco Leasing Corp. | added 7/69; 4/70; eliminated 1/72 | | NRHS |
| 2939 | RELX | Relco Tank Line, Inc. | added 1/72; 1/75 | | NRHS |
| 2940 | RELX | Relco Tank Line Division of Relco Nevada Corp. | 1/80; eliminated 10/86 | | NRHS |
| 2941 | RELX | Relco Tank Line, Inc. | added 10/86; 1/94-7/2000 | | NRHS |
| 2942 | RELX | (RTLX) RELCO TANK LINE INC. | | | PWRC |
| 2943 | RELX | Relco Nevada Corporation | | | RSRV |
| 2944 | RELX | RELCO TANK LINE INC | | | SCAC4 |
| 2945 | RELY | RELIABLE CARTAGE CO | | | SCAC3 |
| 2946 | RELY | RELY EXPRESS LINES INC | | | SCAC4 |
| 2947 | RELZ | RELIABLE TRANSPORTATION SPECIALISTS | | | SCAC4 |
| 2948 | REM | Riecam, S.A. | Callsign: Riecam, | HN | AVCODES |
| 2949 | REM | C & M Aviation, Inc. | Callsign: Rem, | USA | AVCODES |
| 2950 | REM | Rose Air Ltd. | Callsign: Rose, | BG | AVCODES |
| 2951 | REM | | City: Remscheid | D | TRAFFIC |
| 2952 | REMA | REED MACHINERY&TRANSPORTATION CO | | | SCAC3 |
| 2953 | REMA | REED MACHINERY & TRANSPORTATION CO | | | SCAC4 |
| 2954 | REMAT | REMAT S.A. | | RO | VKM |
| 2955 | REMBC | REMAT SA | | RO | VKM |
| 2956 | REMBV | REMAT SA | | RO | VKM |
| 2957 | REMC | REMOTE ACCESS TECHNOLOGY | | | SCAC4 |
| 2958 | REMD | REIMER, DEAN | | | SCAC4 |
| 2959 | REME | REYNOLDS EMERGENCY EXPRESS | | | SCAC4 |
| 2960 | REMF | REM TRUCKING TRANSPORTATION | | | SCAC4 |
| 2961 | REMG | REMINGTON FREIGHT LINES | | | SCAC3 |
| 2962 | REMH | R & E MANUFACTURING LLC | | | SCAC4 |
| 2963 | REMJ | REYNOLDS, M J TRUCKING INC | | | SCAC3 |
| 2964 | REMK | REMICK TRANSFER CO, INC | | | SCAC3 |
| 2965 | REMK | RITTENHOUSE, M K & SONS LTD | | | SCAC4 |
| 2966 | REML | REDMAN LIMITED | | | SCAC3 |
| 2967 | REML | REMLAP D'OR FARM | | | SCAC4 |
| 2968 | REMM | R E M TRANSPORT LTD | | | SCAC3 |
| 2969 | REMMG | REMAT MG SA | | RO | VKM |
| 2970 | REMN | RE EM TRANSPORTATION SERVICES LTD | | | SCAC4 |
| 2971 | REMO | REDMAN MOVING & STORAGE | | | SCAC3 |
| 2972 | REMO | REMORQUAGE ST MICHEL INC | | | SCAC4 |
| 2973 | REMP | REAM TRANSPORT INC | | | SCAC3 |
| 2974 | REMP | REM ENTERPRISES INC | | | SCAC4 |
| 2975 | REMS | RACERS EDGE MOTORSPORTS INC | | | SCAC4 |
| 2976 | REMT | REMINGTON TRUCKING | | | SCAC3 |
| 2977 | REMU | AMERICAN MARITIME AGENCIES INC. | | | SCAC3 |
| 2978 | REMU | AMERICAN MARITIME AGENCIES INC. | | | SCAC4 |
| 2979 | REMW | R E M TRUCKING CO INC | | | SCAC3 |
| 2980 | REMW | REMWAN CARRIERS LTD | | | SCAC4 |
| 2981 | REMX | R.E.M.X. Corp. | added 1/1980; 1/1980; eliminated 5/1983 | | NAKINA |
| 2982 | REMX | R.E.M.X. Corp. | added 1/80; 1/80; eliminated 5/83 | | NRHS |
| 2983 | REMX | R.E.M.X. CORP. | | | PWRC |
| 2984 | REMX | R.E.M.X. Corp. | | USA | TRAFFIC |
| 2985 | REMY | REMY MOVING & STORAGE CORP | | | SCAC3 |
| 2986 | REMY | REM-TRONICS INC | | | SCAC4 |
| 2987 | REMZ | RESOURCE MINE | | | PWRC |
| 2988 | REN | Aero-Rent, S.A. de C.V. | Callsign: Aerorent, | MEX | AVCODES |
| 2989 | REN | Arena Aviation Limited | Callsign: Arena, | GB | AVCODES |
| 2990 | REN | Aero-Rent | | | ICAO1 |
| 2991 | RENAULT | Renault | | F | TRAFFIC |
| 2992 | RENB | ROSELLINI, BRUNO | | | SCAC3 |
| 2993 | REND | RENDA SHIPPING COMPANY LTD VALLETTA | | | SCAC3 |
| 2994 | REND | RENDON TRUCKING INC | | | SCAC4 |
| 2995 | RENE | RENNERS EXPRESS INC | | | PWRC |
| 2996 | RENE | RENNIES INC | | | SCAC4 |
| 2997 | RENF | RENFRO CORPORATION | | | SCAC4 |
| 2998 | RENFE | Red Nacional de los Ferrocarriles Españoles | | ES | VKM |
| 2999 | RENH | REFRIGERADOS ENRIQUEZ | | | SCAC4 |
| 3000 | RENI | REINERT, HAROLD, INC | | | SCAC3 |
