| 6201 | ROCH | ROWAYTON FUEL & OIL CO INC | SCAC4 | ||
| 6202 | ROCI | RANCHERS OIL CO | SCAC3 | ||
| 6203 | ROCJ | ROCHE MOVING & STORAGE INC | SCAC3 | ||
| 6204 | ROCK | Chicago, Rock Island and Pacific Ry. Co. | added 7/1975; 1/1980; eliminated 7/1980 | NAKINA | |
| 6205 | ROCK | Chicago, Rock Island and Pacific Ry. Co. | added 7/75; 1/80; eliminated 7/80 | NRHS | |
| 6206 | ROCK | CHICAGO, ROCK ISLAND & PACIFIC RAILROAD (ROCK ISLAND) | PWRC | ||
| 6207 | ROCK | Chicago, Rock Island and Pacific Railroad | RSRV | ||
| 6208 | ROCK | Chicago, Rock Island and Pacific Ry. Co | 1975 - 1980 | USA | TRAFFIC |
| 6209 | ROCKLAND | Rockland Coaches | A Coach USA company | USA | TRAFFIC |
| 6210 | ROCL | ROSS, C L INC | SCAC3 | ||
| 6211 | ROCL | RAPID OCEAN CO LTD | SCAC4 | ||
| 6212 | ROCM | RICH OIL COMPANY INC | SCAC4 | ||
| 6213 | ROCM | Republic of China Marine Corps | RC | TRAFFIC | |
| 6214 | ROCN | ROCOR TRANSPORTATION COMPANIES | SCAC3 | ||
| 6215 | ROCN | RORO COMPANY LTD | SCAC4 | ||
| 6216 | ROCO | ROC MOVING & STORAGE | SCAC3 | ||
| 6217 | ROCO | ROC MOVING & STORAGE | SCAC4 | ||
| 6218 | ROCO | X | TRAFFIC | ||
| 6219 | ROCQ | ROCKFORD-AURORA MOTOR SERVICE INC | SCAC3 | ||
| 6220 | ROCQ | ROAD KING & LOGISTIC INC | SCAC4 | ||
| 6221 | ROCS | RIO GRANDE CARRIERS INC | SCAC4 | ||
| 6222 | ROCU | AMERICAN ORIENTAL ENTERPRISES CO LT | SCAC4 | ||
| 6223 | ROCV | ROCCO VAN & STORAGE CO | SCAC3 | ||
| 6224 | ROCW | ROSE CITY MOVING & STORAGE INC | SCAC3 | ||
| 6225 | ROCW | ROADLINK EXPRESS INC | SCAC4 | ||
| 6226 | ROCX | Rocky Mountain Transportation Services | added 7/1995; 7/2000-7/2005 | NAKINA | |
| 6227 | ROCX | Rock Island Improvement Co. | added 1/1979; 1/1980; eliminated 7/1980 | NAKINA | |
| 6228 | ROCX | Rock Island Improvement Co. | added 1/79; 1/80; eliminated 7/80 | NRHS | |
| 6229 | ROCX | Rocky Mountain Transportation Services | added 7/95; 7/2000 | NRHS | |
| 6230 | ROCX | *ROCK ISLAND IMPROVEMENT COMPANY (ROCK ISLAND) | PWRC | ||
| 6231 | ROCX | +ROCKY MOUNTAIN TRANSPORTATION SERVICES | PWRC | ||
| 6232 | ROCX | Rock Island Improvement (Rocky Mountain Transportation Services) | RSRV | ||
| 6233 | ROCX | ROCKY MOUNTAIN TRANSPORTATIN SERVIC | SCAC4 | ||
| 6234 | ROCY | ROBERTS CARRIER CORPORATION | SCAC3 | ||
| 6235 | ROD | Aerodan | ICAO1 | ||
| 6236 | ROD | City: Rodewisch | D | TRAFFIC | |
| 6237 | RODC | RODCO LEASING AND FLEET SERVICE REP | SCAC3 | ||
| 6238 | RODC | RODRIGUEZ CASTRO, ALFREDO | SCAC4 | ||
| 6239 | RODD | ROEDIGER, DANIEL B | SCAC3 | ||
| 6240 | RODD | RODRIGUE, GUY | SCAC4 | ||
| 6241 | RODE | ROTADYNE INC | SCAC4 | ||
| 6242 | RODE | Rode Gleis und Tiefbau GmbH | DE | VKM | |
| 6243 | RODF | ROADRUNNER FREIGHT LINES INC | SCAC3 | ||
| 6244 | RODG | RODGERS ENTERPRISES | SCAC3 | ||
| 6245 | RODG | RODRIGUEZ GARCIA, LUCILA ALEJANDRIN | SCAC4 | ||
| 6246 | RODJ | ROBERTS, JERRY D | SCAC3 | ||
| 6247 | RODJ | RODRIGUEZ ISLAS, JOSE ANGEL | SCAC4 | ||
| 6248 | RODK | R O D TRUCKING | SCAC3 | ||
| 6249 | RODM | RODMAN TRUCK SERVICE | SCAC3 | ||
| 6250 | RODN | RODEN, CARL HERBERT | SCAC3 | ||
| 6251 | RODO | ROBERTSON & SON TRUCKING | SCAC3 | ||
| 6252 | RODP | RODNOC EXPRESS INC | SCAC3 | ||
| 6253 | RODP | RODRIGUEZ PRODUCE | SCAC4 | ||
| 6254 | RODQ | ROCKET DELIVERY SERVICE | SCAC3 | ||
| 6255 | RODQ | ROCKY MOUNTAIN TRAILWAYS SALT LAKE | SCAC4 | ||
| 6256 | RODR | RODRIGUEZ TRUCKING | SCAC4 | ||
| 6257 | RODS | ROADRUNNER DELIVERY SERVICE INC | SCAC3 | ||
| 6258 | RODT | ROADRUNNER TRUCKING INC | SCAC3 | ||
| 6259 | RODW | ROADWAY COURIER | SCAC3 | ||
| 6260 | ROE | Aeroeste | ICAO1 | ||
| 6261 | ROEB | ROSEBURG MOVING & STORAGE | SCAC3 | ||
| 6262 | ROEB | ROCKWAY PRECISION MACHINE LTD | SCAC4 | ||
| 6263 | ROEC | ROEHLK TRUCKING, INC | SCAC3 | ||
| 6264 | ROED | ROEDERER TRANSFER & STORAGE CO | SCAC3 | ||
| 6265 | ROED | ROEHL TRANSPORT INC (DEDICATED DIVI | SCAC4 | ||
| 6266 | ROEE | ROBERTS EXPRESS INC | SCAC3 | ||
| 6267 | ROEE | ROMANIA EUROEST SA | RO | VKM | |
| 6268 | ROEEE | Raab-Ödenburg-Ebenfurter Eisenbahn | AT | VKM | |
| 6269 | ROEG | RODGERS, ED MOVING & STORAGE | SCAC3 | ||
| 6270 | ROEI | ROARING EXPRESS INC | SCAC4 | ||
| 6271 | ROEJ | ROE LOGISTICS LLC | SCAC4 | ||
| 6272 | ROEK | ROEHL TRANSPORT INC (REFRIGERATED D | SCAC4 | ||
| 6273 | ROEM | ROEHL TRANSPORT INC (DEDICATED TEAM | SCAC4 | ||
| 6274 | ROEN | ROENICK, W L INC | SCAC3 | ||
| 6275 | ROEP | ROBERTSONS EXPRESS INC | SCAC3 | ||
| 6276 | ROEP | ROSALES ENTERPRISE | SCAC4 | ||
| 6277 | ROEQ | ROSE BROS TRUCKING CO | SCAC3 | ||
| 6278 | ROER | ROEDER CARTAGE COMPANY INCORPORATED | SCAC3 | ||
| 6279 | ROER | ROEDER CARTAGE COMPANY INCORPORATED | SCAC4 | ||
| 6280 | ROES | ROWE & SON TRANSFER | SCAC3 | ||
| 6281 | ROEU | CONTAINERHANDE | SCAC4 | ||
| 6282 | ROEV | ROEHL, EVERETT G INC | SCAC3 | ||
| 6283 | ROEV | ROEHL TRANSPORT INC | SCAC4 | ||
| 6284 | ROEW | ROOT, EDGAR W, INC | SCAC3 | ||
| 6285 | ROEY | ROCAR EQUIPMENT COMPANY | SCAC3 | ||
| 6286 | ROEY | REESE DEVELOPMENT INC | SCAC4 | ||
| 6287 | ROEZ | ROEHL TRANSPORT INCORPORATED | PWRC | ||
| 6288 | ROEZ | Roehl Transport | RSRV | ||
| 6289 | ROEZ | ROEHL TRANSPORT, INC. | SCAC4 | ||
| 6290 | ROF | Romanian Air Force | ICAO1 | ||
| 6291 | ROFC | ROBERTSON FACTORIES INC | SCAC3 | ||
| 6292 | ROFC | ROUTE TEN TRANSPORT INC | SCAC4 | ||
| 6293 | ROFE | ROADSTAR LLC | SCAC4 | ||
| 6294 | ROFH | R ONE FOUR NINE ZERO (1490) HOLDING | SCAC4 | ||
| 6295 | ROFJ | RODRIGUEZ, DAGOBERTO | SCAC4 | ||
| 6296 | ROFK | ROTHFORK TRUCKING | SCAC3 | ||
| 6297 | ROFL | ROCKET FREIGHT LINES | PWRC | ||
| 6298 | ROFL | RETIF OIL & FUEL CO | SCAC3 | ||
| 6299 | ROFL | RETIF OIL & FUEL CO | SCAC4 | ||
| 6300 | ROFM | ROACH OF MADISON INC | SCAC3 |