| 7001 | RPTB | RAPID TRANSIT | SCAC3 | ||
| 7002 | RPTC | RAPP TRANSFER & STORAGE CO | SCAC3 | ||
| 7003 | RPTD | RAPID TRANSIT DELIVERY SYSTEMS | SCAC3 | ||
| 7004 | RPTE | RPT INC | SCAC3 | ||
| 7005 | RPTE | R P TRANSPORT SERVICES INC | SCAC4 | ||
| 7006 | RPTF | RAPIDO TRANSFER INC | SCAC3 | ||
| 7007 | RPTG | R&P TRUCKING | SCAC3 | ||
| 7008 | RPTG | R & P TRUCKING | SCAC4 | ||
| 7009 | RPTH | R & P TRUCKING | SCAC3 | ||
| 7010 | RPTI | RAPPA EXPORT TRUCKING INC | SCAC3 | ||
| 7011 | RPTI | R P TRUCKING INC | SCAC4 | ||
| 7012 | RPTJ | RAPID TRANSPORT INC | SCAC3 | ||
| 7013 | RPTJ | RAPID TRANSPORT INC | SCAC4 | ||
| 7014 | RPTK | RAPTOR TRUCKING | SCAC4 | ||
| 7015 | RPTL | ROGERS PETROLEUM SERVICES INC | SCAC4 | ||
| 7016 | RPTM | RAPID TRANSIT MOTOR FREIGHT INC | SCAC3 | ||
| 7017 | RPTM | RP TRANSPORTATION LLC | SCAC4 | ||
| 7018 | RPTN | RAPID TRANSPORT INC | SCAC3 | ||
| 7019 | RPTN | R P M TRANSIT | SCAC4 | ||
| 7020 | RPTO | REBEL PETROLEUM TRANSPORT INC | SCAC3 | ||
| 7021 | RPTO | R P TRANSPORT | SCAC4 | ||
| 7022 | RPTQ | RAPID TRANSIT CO | SCAC3 | ||
| 7023 | RPTQ | R P TRUCKING CORP | SCAC4 | ||
| 7024 | RPTR | R P TRUCKING | SCAC3 | ||
| 7025 | RPTS | R P T S EXPRESS | SCAC4 | ||
| 7026 | RPTT | RPT TRANSPORTATION INC | SCAC4 | ||
| 7027 | RPTV | ROJAS PETROLEUM TRANSPORTATION | SCAC4 | ||
| 7028 | RPTW | R P TRAILER & WRECKER SERVICE INC | SCAC3 | ||
| 7029 | RPTW | REILLY, PAT TRUCKING INC | SCAC4 | ||
| 7030 | RPTX | *REPUBLIC OIL CO. | PWRC | ||
| 7031 | RPTY | RP TRUCKING LLC | SCAC4 | ||
| 7032 | RPUD | RANDLEMANS PICK-UP & DELIVERY SERVI | SCAC3 | ||
| 7033 | RPUI | RAPID UNITED STEEL HAULERS INC | SCAC3 | ||
| 7034 | RPUM | ROSEVELT TRUCK LINES LLC | SCAC4 | ||
| 7035 | RPVSB | REMONT I PROIZVODNJA ŽELJEZNIČKIH VOZILA d.o.o. | HR | VKM | |
| 7036 | RPWD | ROLOPLAST WINDOWS | SCAC4 | ||
| 7037 | RPWZ | (REAZ) RETIRED 04-06-93 ATP(ACI2492) | PWRC | ||
| 7038 | RPX | BAC Express Airlines | ICAO1 | ||
| 7039 | RPX | Shell Oil Co., Inc. | 1/1941-4/1947 | NAKINA | |
| 7040 | RPX | Shell Petroleum Corp. | 4/1938 | NAKINA | |
| 7041 | RPX | Roxana Petroleum Corp. | 7/1937 | NAKINA | |
| 7042 | RPX | Roxana Petroleum Corp. (Shell Petroleum Corp.) | 7/1930-7/1935 | NAKINA | |
| 7043 | RPX | Roxana Petroleum Corp. | 8/1920-7/1923 | NAKINA | |
| 7044 | RPX | Roxana Petroleum Co. of Oklahoma | 8/1920 | NAKINA | |
| 7045 | RPX | Roxana Petroleum Corp. (Shell Petroleum Corp.) | Apr-38 | NRHS | |
| 7046 | RPX | SHELL OIL CO. [ROXANA PETROLEUM CORP.] | PWRC | ||
| 7047 | RPXP | R P EXPRESS | SCAC3 | ||
| 7048 | RPXR | RAPID EXPRESS INC | SCAC3 | ||
| 7049 | RPXS | RAPID EXPRESS INC | SCAC3 | ||
| 7050 | RPXT | RAP TRANSPORT | SCAC4 | ||
| 7051 | RQAX | RailQuest America, Inc. | 7/2005 (not listed) | NAKINA | |
| 7052 | RQAX | RAILQUEST AMERICA, INC. | PWRC | ||
| 7053 | RQAX | RailQuest America | RSRV | ||
| 7054 | RQBI | ROAD QUEST BROKERAGE INC | SCAC4 | ||
| 7055 | RQCT | R C T INC | SCAC4 | ||
| 7056 | RQDL | RANDY QUICK DELIVERY | SCAC4 | ||
| 7057 | RQDQ | RITE QUIK DELIVERY CO | SCAC3 | ||
| 7058 | RQDQ | RAINBOW IRRIGATION AND EQUIPMENT IN | SCAC4 | ||
| 7059 | RQEC | ROBO EXPRESS COMPANY | SCAC3 | ||
| 7060 | RQEN | RENA NAVIGATION COMPANY LIMITED | SCAC3 | ||
| 7061 | RQLI | REDLINE LOGISTICS INC | SCAC4 | ||
| 7062 | RQLN | RUDISILL LOGISTICS INC | SCAC4 | ||
| 7063 | RQLS | RAQUETTE LAKE SUPPLY CO INC | SCAC4 | ||
| 7064 | RQMQ | REYES MANRIQUEZ, JULIA | SCAC4 | ||
| 7065 | RQPM | R P M HARBOR SERVICES INC | SCAC4 | ||
| 7066 | RQPR | REMOLQUES DE PUERTO RICO INC | SCAC3 | ||
| 7067 | RQPR | REMOLQUES DE PUERTO RICO INC | SCAC4 | ||
| 7068 | RQPT | RPM TRUCKLOAD INC | SCAC4 | ||
| 7069 | RQSI | RTD QUALITY SERVICES INC | SCAC4 | ||
| 7070 | RQSL | RELIABLE LOGISTICS SOLUTIONS LLC | SCAC4 | ||
| 7071 | RQTC | ROYAL TANKERS CORPORATION | SCAC3 | ||
| 7072 | RQTG | R Q TRUCKING | SCAC4 | ||
| 7073 | RQTH | ROMQUEST TECHNOLOGIES | SCAC4 | ||
| 7074 | RQUD | RUDER BOSKOVIC SHIPPING COMPANY LTD | SCAC3 | ||
| 7075 | RQWD | ROCQUEMORE, WAYNE D | SCAC3 | ||
| 7076 | RQZF | RODRIQUEZ, FRANK J TRUCKING | SCAC3 | ||
| 7077 | RR | Consolidated Rail Corp. | added 10/1980; 1/1994; eliminated 7/1999 | NAKINA | |
| 7078 | RR | Raritan River R.R. Co. | 7/1923-1/1980; eliminated 7/1980 | NAKINA | |
| 7079 | RR | Raritan River R.R. Co. | 4/38-1/80; eliminated 7/80 | NRHS | |
| 7080 | RR | Consolidated Rail Corp. | added 10/80; 1/94; eliminated 7/99 | NRHS | |
| 7081 | RR | CONSOLIDATED RAIL CORP. [RARITAN RIVER RR] | PWRC | ||
| 7082 | RR | Raritan River Railroad (Conrail) | RSRV | ||
| 7083 | RR | Raritan River R.R. Co. | USA | TRAFFIC | |
| 7084 | RR | Rautaruukki Oy | FI | VKM | |
| 7085 | RRA | Royal Rwanda Airlines | ICAO1 | ||
| 7086 | RRAA | R R TRUCKING LLC | SCAC4 | ||
| 7087 | RRAC | ROCHA, R TRUCKING | SCAC4 | ||
| 7088 | RRAE | R & R TRANSPORTATION | SCAC4 | ||
| 7089 | RRAG | RUSSELL RIDGE TRANSPORT INC | SCAC4 | ||
| 7090 | RRAH | RIO REBELS TRUCKING | SCAC4 | ||
| 7091 | RRAJ | R & R TAKHAR TRANSPORTATION LTD | SCAC4 | ||
| 7092 | RRAP | RAMIREZ RANCH | SCAC4 | ||
| 7093 | RRAQ | R R & ASSOCIATES LLC | SCAC4 | ||
| 7094 | RRAR | UMLER TEST ROAD NO.13 | PWRC | ||
| 7095 | RRAR | RSR RACING LLC | SCAC4 | ||
| 7096 | RRAV | R & R CLASSIC CARS | SCAC4 | ||
| 7097 | RRAY | RICHARDSON, RAY TRUCKING | SCAC3 | ||
| 7098 | RRB | RAMPART RANGE CORPORATION | PWRC | ||
| 7099 | RRB | RRB Slovakia, s.r.o. | SK | VKM | |
| 7100 | RRBA | ROJAS RUIZ, BALTAZAR | SCAC4 |