| 6101 | RNWA | RUNWAY AIRFREIGHT | SCAC3 | ||
| 6102 | RNWC | RNW CARTAGE | SCAC3 | ||
| 6103 | RNWD | RENWICK, DAVID R JR TRUCKING | SCAC3 | ||
| 6104 | RNWE | RANEWS TRUCK & EQUIPMENT LLC | SCAC4 | ||
| 6105 | RNWF | RED & WHITE FLEET, INC. | SCAC3 | ||
| 6106 | RNWM | RENFROW, T C COMPANIES LLC | SCAC4 | ||
| 6107 | RNWN | R & W TRANSIT INC | SCAC3 | ||
| 6108 | RNWO | R & W OIL PRODUCTS LLC | SCAC4 | ||
| 6109 | RNWP | R & W TRANSPORTATION INC | SCAC4 | ||
| 6110 | RNWQ | RITE NOW LOGISTICS LLC | SCAC4 | ||
| 6111 | RNWS | ROBINSON, W S TRUCKING LIMITED LIAB | SCAC4 | ||
| 6112 | RNWU | RANEWS TRUCK & EQUIPMENT LLC | SCAC4 | ||
| 6113 | RNWX | Alan Wood Steel Co. | 1/1950-1/1952; eliminated 4/1954 | NAKINA | |
| 6114 | RNWX | Rainey-Wood Coke Co. | 7/1930-4/1947 | NAKINA | |
| 6115 | RNWX | Rainey-Wood Coke Co., Inc. | 7/1923 | NAKINA | |
| 6116 | RNWX | Rainey-Wood Coke Co. | Apr-38 | NRHS | |
| 6117 | RNWX | Alan Wood Steel Co. | 1/52; eliminated 4/54 | NRHS | |
| 6118 | RNWX | ALAN WOOD STEEL CO. [RAINEY-WOOD COKE CO.] | PWRC | ||
| 6119 | RNWZ | (NS) RETIRED 04-06-93 ATP | PWRC | ||
| 6120 | RNX | 1Time Airline | IATA: 1T | ICAO1 | |
| 6121 | RNXA | ROBSON TRANSPORT | SCAC4 | ||
| 6122 | RNXC | ROLLINEX INC | SCAC4 | ||
| 6123 | RNXI | RNT TRANSPORT INC | SCAC4 | ||
| 6124 | RNXT | RAMAN TRANSPORT | SCAC4 | ||
| 6125 | RNYE | RANDYS EXPRESS | SCAC3 | ||
| 6126 | RNYJ | RAINEY, J C | SCAC3 | ||
| 6127 | RNYQ | RONEY, W C TRUCKING CO | SCAC3 | ||
| 6128 | RNYT | RODNEYS TRUCKING LLC | SCAC4 | ||
| 6129 | RNZAF | Royal New Zealand Air Force | NZ | TRAFFIC | |
| 6130 | RNZC | RENZ TRUCK LINES INC | SCAC3 | ||
| 6131 | ROA | Reno Air | IATA: QQ | ICAO1 | |
| 6132 | ROAA | ROADEX SERVICES LTD | SCAC4 | ||
| 6133 | ROAB | ROBBINS, ALLAN B | SCAC3 | ||
| 6134 | ROAB | ROGERS FARM SUPPLY | SCAC4 | ||
| 6135 | ROAD | ROAD COMMERCE CORPORATION | PWRC | ||
| 6136 | ROAD | ROAD COMMERCE CORPORATION | SCAC3 | ||
| 6137 | ROAD | ROAD LINK XPRESS | SCAC4 | ||
| 6138 | ROADR | Roadrunner | City: Harlow | GB | TRAFFIC |
| 6139 | ROAE | ROSS, A J LOGISTICS INC | SCAC3 | ||
| 6140 | ROAE | ROAD RUNNER TRUCKING | SCAC4 | ||
| 6141 | ROAF | ROAD AMERICAN FREIGHT SYSTEMS INC | SCAC3 | ||
| 6142 | ROAF | Romanian Air Force | RO | TRAFFIC | |
| 6143 | ROAG | ROWLAND, LONNIE TRUCKING | SCAC3 | ||
| 6144 | ROAJ | ROADAIR LEASING INC | SCAC3 | ||
| 6145 | ROAK | ROADKINS TRUCKING CORP | SCAC3 | ||
| 6146 | ROAL | ROANE TRANSPORTATION SERVICES LLC | SCAC4 | ||
| 6147 | ROAM | ROADMAS | SCAC4 | ||
| 6148 | ROAN | ROANS TRUCKING SERVICE | SCAC3 | ||
| 6149 | ROAN | ROANE LOGISTICS INC | SCAC4 | ||
| 6150 | ROAO | ROARING EXPRESS CO INC | SCAC3 | ||
| 6151 | ROAO | ROBERT FILM SERVICES INC | SCAC4 | ||
| 6152 | ROAP | ROAP TRANSPORT INC | SCAC3 | ||
| 6153 | ROAQ | ROAYL TRUCKING CO | SCAC3 | ||
| 6154 | ROAR | ROAD AND RAIL TRUCKING COMPANY | PWRC | ||
| 6155 | ROAR | ROAR LOGISTICS INC | SCAC4 | ||
| 6156 | ROAT | ROES STAIR CO | SCAC4 | ||
| 6157 | ROAW | ROBINSON AND WILLIAMS TRANSPORT INC | SCAC3 | ||
| 6158 | ROAY | ROAD-CON SYSTEMS INC | SCAC3 | ||
| 6159 | ROB | Robel | DE | VKM | |
| 6160 | ROBA | ROBINSONS EXPRESS CO, INC | SCAC3 | ||
| 6161 | ROBA | ROBERTS ASSOCIATES INC | SCAC4 | ||
| 6162 | ROBB | ROBISON TRUCKING INC | SCAC4 | ||
| 6163 | ROBC | ROBINSON CARTAGE CO | SCAC3 | ||
| 6164 | ROBC | ROBINSON CARTAGE COMPANY | SCAC4 | ||
| 6165 | ROBD | ROBIDEAUS EXPRESS, INC | SCAC3 | ||
| 6166 | ROBD | RINGER OIL OF PA INC | SCAC4 | ||
| 6167 | ROBE | ROBERTS TRUCKING CO, INC | SCAC3 | ||
| 6168 | ROBE | ROBEY, JEFF TRUCK LINES INC | SCAC4 | ||
| 6169 | ROBF | ROBINSON FREIGHT LINES, INC, THE | SCAC3 | ||
| 6170 | ROBG | ROBERTS, GEORGE F | SCAC3 | ||
| 6171 | ROBH | ROBART TRANSPORTATION INC | SCAC3 | ||
| 6172 | ROBH | ROBART TRANSPORTATION INC | SCAC4 | ||
| 6173 | ROBI | ROBIN TRUCK LINE | SCAC3 | ||
| 6174 | ROBI | ROBIN TRUCK LINE | SCAC4 | ||
| 6175 | ROBK | ROBERTS, TOM M | SCAC3 | ||
| 6176 | ROBK | ROBERTS, TOM M TRUCKLINES INC | SCAC4 | ||
| 6177 | ROBL | ROBERTS TRUCKING | SCAC3 | ||
| 6178 | ROBL | ROBELLO TRANSPORTATION | SCAC4 | ||
| 6179 | ROBM | ROBINSON TRANSPORTATION INC | SCAC3 | ||
| 6180 | ROBM | ROBINSON TRANSPORTATION INC | SCAC4 | ||
| 6181 | ROBN | ROBSON CO INC | SCAC3 | ||
| 6182 | ROBN | ROBUST TRANSPORT SERVICES LTD | SCAC4 | ||
| 6183 | ROBO | ROBEY CARTAGE COMPANY INC | SCAC3 | ||
| 6184 | ROBP | ROBERTSON ENTERPRIZE INC | SCAC4 | ||
| 6185 | ROBQ | ROBINSON, J AND B CARTAGE CO | SCAC3 | ||
| 6186 | ROBR | ROBBINS, ROBERTA | SCAC3 | ||
| 6187 | ROBS | ROBINSON TRUCKING | SCAC4 | ||
| 6188 | ROBV | ROBINSON STAVE INC | SCAC4 | ||
| 6189 | ROBW | ROBINSON, W T & SON TRUCKING CONTRA | SCAC3 | ||
| 6190 | ROBY | ROUSES BODY SHOP INC | SCAC3 | ||
| 6191 | ROBZ | ROBCO TRANSPORTATION, INC. | PWRC | ||
| 6192 | ROBZ | Robco Transportation | RSRV | ||
| 6193 | ROBZ | ROBCO TRANSPORTATION, INC. | SCAC4 | ||
| 6194 | ROC | Rocky Mountain Airlines | ICAO1 | ||
| 6195 | ROCA | R O C TRANSPORT INC | SCAC4 | ||
| 6196 | ROCA | Republic of China Army | RC | TRAFFIC | |
| 6197 | ROCB | ROSALES OIL COMPANY | SCAC4 | ||
| 6198 | ROCD | ROCHESTER CITY DELIVERY INC | SCAC3 | ||
| 6199 | ROCD | ROCHESTER CITY DELIVERY INC | SCAC4 | ||
| 6200 | ROCF | ROBBINS FARMS | SCAC4 |