| 8001 | RSTB | R & S TRUCKING | SCAC3 | ||
| 8002 | RSTB | RST | SCAC4 | ||
| 8003 | RSTC | ROSE TRUCKING INCORPORATED | SCAC3 | ||
| 8004 | RSTD | RST INDUSTRIES LTD | SCAC3 | ||
| 8005 | RSTE | RICE STREET TOWING INC | SCAC3 | ||
| 8006 | RSTE | RED STAR FUELS | SCAC4 | ||
| 8007 | RSTF | REIS TRUCKING INC | SCAC3 | ||
| 8008 | RSTF | REIS TRUCKING INC | SCAC4 | ||
| 8009 | RSTG | R & S TRUCKING INC | SCAC3 | ||
| 8010 | RSTG | R & S TRUCKING | SCAC4 | ||
| 8011 | RSTH | ROSE TRANSPORTATION CO | SCAC3 | ||
| 8012 | RSTI | R S TRUCKING CO | SCAC3 | ||
| 8013 | RSTI | RISING STAR TRANSPORTATION INC | SCAC4 | ||
| 8014 | RSTJ | R & S TRUCKING | SCAC3 | ||
| 8015 | RSTK | REESE TRUCKING | SCAC4 | ||
| 8016 | RSTK | Rolling Stock Company | RO | TRAFFIC | |
| 8017 | RSTL | R S TRAILER REPAIR INC | SCAC3 | ||
| 8018 | RSTL | RST INDUSTRIES LIMITED | SCAC4 | ||
| 8019 | RSTM | R & S TRANSPORTERS INTERMODAL SERVI | SCAC4 | ||
| 8020 | RSTN | REASNOR & SON TRUCKING | SCAC3 | ||
| 8021 | RSTN | R & S TRUCKING | SCAC4 | ||
| 8022 | RSTO | RELIABLE-SCOTT TRANSPORT LIMITED | SCAC3 | ||
| 8023 | RSTP | RELIABLE SOUTHERN TRANSPORT INC | SCAC4 | ||
| 8024 | RSTQ | RISS TRANSPORTATION CO | SCAC3 | ||
| 8025 | RSTQ | ROSE, STEVE | SCAC4 | ||
| 8026 | RSTR | R & S TRANSPORT | SCAC3 | ||
| 8027 | RSTR | R M S TRANSPORT LLC | SCAC4 | ||
| 8028 | RSTS | Ruhr-Stickstoff AG | D | TRAFFIC | |
| 8029 | RSTU | UNIT 45 BV | SCAC4 | ||
| 8030 | RStV | Rinteln - Stadthagener Verkehrs GmbH | Celle | D | privat-bahn.de |
| 8031 | RSTV | R AND S TRUCKING INC (NC CORP) | SCAC3 | ||
| 8032 | RSTV | Rinteln-Stadthagener Verkehrsbetriebe | D | TRAFFIC | |
| 8033 | RSTV | Rinteln-Stadthagener Verkehrs GmbH | DE | VKM | |
| 8034 | RSTW | ROTTERDAM SHIPPING & TRADING B V | SCAC4 | ||
| 8035 | RSTX | RSTX Inc. | added 1/1972; 1/1975-1/1980; eliminated 10/1985; added 1/1986; eliminated 10/1988 | NAKINA | |
| 8036 | RSTX | RSP Motor Transport Co. | added 4/1969; 4/1970; eliminated 1/1972 | NAKINA | |
| 8037 | RSTX | RSP Motor Transport Co. | added 4/69; 4/70; eliminated 1/72 | NRHS | |
| 8038 | RSTX | RSTX Inc. | added 1/72; 1/75-1/80; added 1/86; eliminated 10/88 | NRHS | |
| 8039 | RSTX | RSTX INC. [RSP MOTOR TRANSPORT CO.] | PWRC | ||
| 8040 | RSTX | RSTX Inc. | RSRV | ||
| 8041 | RSU | Aerosur | IATA: 5L | ICAO1 | |
| 8042 | RSU | RailSupport | DE | VKM | |
| 8043 | RSUS | ROSEN USA | SCAC4 | ||
| 8044 | RSUT | ROSENAU TRANSPORT LTD | SCAC4 | ||
| 8045 | RSUX | Riley Stoker Corp. | added 1/1968; 4/1970-1/1994; eliminated 7/1998; 7/2000-7/2005 (not listed) | NAKINA | |
| 8046 | RSUX | Riley Stoker Corp. | added 1/68; 4/70-1/94; eliminated 7/98; 7/2000 | NRHS | |
| 8047 | RSUX | RILEY STOKER CORP. | PWRC | ||
| 8048 | RSUX | Riley Stoker Corporation | RSRV | ||
| 8049 | RSUX | RILEY STOKER CORP. | SCAC4 | ||
| 8050 | RSV | Red Sky Ventures | ICAO1 | ||
| 8051 | RSV | Reutlinger Stadtverkehrsgesellschaft mbH | D | TRAFFIC | |
| 8052 | RSVC | RELIABLE SERVICE CO | SCAC3 | ||
| 8053 | RSVC | ROSE VALLEY COLONY LTD | SCAC4 | ||
| 8054 | RSVE | REACTION SERVICES INC | SCAC3 | ||
| 8055 | RSVG | Rhein-Sieg Verkehrsgesellschaft mbH | Troisdorf | D | privat-bahn.de |
| 8056 | RSVG | R & S CONTAINER SERVICE LLC | SCAC4 | ||
| 8057 | RSVG | Rhein-Sieg Verkehrsgesellschaft mbH Troisdorf | City: Siegburg | D | TRAFFIC |
| 8058 | RSVK | REED, STEVE TRUCKING LLC | SCAC4 | ||
| 8059 | RSVL | R SCOTTSVILLE LUCKY TOURS | SCAC3 | ||
| 8060 | RSVN | RESERVE INTERNATIONAL SERVICES INC | SCAC3 | ||
| 8061 | RSVP | R S V P TRANSPORTATION INC | SCAC3 | ||
| 8062 | RSVP | RSVP INTERNATIONAL LLC | SCAC4 | ||
| 8063 | RSVQ | RESERVE TERMINALS COMPANY | SCAC3 | ||
| 8064 | RSVS | RAIL SERVICES INC | SCAC3 | ||
| 8065 | RSVX | Railserv Funding Corp. | eliminated 7/1984; eliminated 7/1986 | NAKINA | |
| 8066 | RSVX | Railserv Management Corp. | added 4/1980; eliminated 7/1984 | NAKINA | |
| 8067 | RSVX | Railserv Management Corp. | added 4/80; eliminated 7/84 | NRHS | |
| 8068 | RSVX | Railserv Funding Corp. | eliminated 7/84; eliminated 7/86 | NRHS | |
| 8069 | RSVX | RAILSERV FUNDING CORP. (RAILSERV MANAGEMENT CORP.) | PWRC | ||
| 8070 | RSVX | Railserv Management Corp | RSRV | ||
| 8071 | RSVY | RODRIGUEZ SARABIA, VIANEY | SCAC4 | ||
| 8072 | RSWI | RAWLS, S W INC | SCAC4 | ||
| 8073 | RSWS | RIDEOUT SUNOCO & WRECKER SERVICE | SCAC3 | ||
| 8074 | RSWZ | TRANSAMERICA LEASING INC [(REAZ) ST. LOUIS SOUTHWESTERN] | PWRC | ||
| 8075 | RSWZ | TAL International | RSRV | ||
| 8076 | RSWZ | TRANSAMERICA LEASING INC | SCAC4 | ||
| 8077 | RSX | A.M. Richter Sons Co. | 7/1930-10/1957; eliminated 10/1959 | NAKINA | |
| 8078 | RSX | A.M. Richter Sons Co. | 4/38-10/57; eliminated 10/59 | NRHS | |
| 8079 | RSX | A. M. RICHTER SONS CO. | PWRC | ||
| 8080 | RSXC | ROSIE EXPRESS CO | SCAC4 | ||
| 8081 | RSXD | RS EXPEDITE INC | SCAC4 | ||
| 8082 | RSXE | ROADSTAR EXPRESS INC | SCAC4 | ||
| 8083 | RSXM | RUSBELS TRANSPORT | SCAC4 | ||
| 8084 | RSXN | RISEN TRANSPORTATION INC | SCAC4 | ||
| 8085 | RSXO | R S D TRANSPORTATION INC | SCAC4 | ||
| 8086 | RSXP | RED STAR EXPRESS LINES OF QUEBEC (1 | SCAC3 | ||
| 8087 | RSXQ | R & S EXPORT TRUCKING CORP | SCAC3 | ||
| 8088 | RSXS | R & S EXPRESS | SCAC3 | ||
| 8089 | RSXS | R & S EXPRESS | SCAC4 | ||
| 8090 | RSXT | R S TRANSPORT | SCAC4 | ||
| 8091 | RSXW | R & S XPRESS | SCAC4 | ||
| 8092 | RSXX | RAIL STUFF LLC | SCAC4 | ||
| 8093 | RSYI | RTS DELIVERY INC | SCAC4 | ||
| 8094 | RSYM | ROTH, SYLVESTER M | SCAC3 | ||
| 8095 | RSYN | ROGERS SPRAYERS INC | SCAC4 | ||
| 8096 | RSYS | ROYCE SYSTEMS/SERVICES INC | SCAC3 | ||
| 8097 | RSYT | R S T INC | SCAC3 | ||
| 8098 | RSYX | Refined Sugars, Inc. | added 7/1981; eliminated 10/1986; 1/1994-7/2005 (not listed) | NAKINA | |
| 8099 | RSYX | Refined Syrups & Sugars, Inc. | added 7/1980; eliminated 7/1981 | NAKINA | |
| 8100 | RSYX | Refined Syrups & Sugars, Inc. | added 7/80; eliminated 7/81 | NRHS |