| 1 | RST | Resort Air | Callsign: Resort Air, | USA | AVCODES |
| 2 | RST | Resort Air | | | ICAO1 |
| 3 | RST | Rangier-, Servce- und Transportgesellschaft mbH | St. Ingbert | D | privat-bahn.de |
| 4 | RSTA | ROSSI TRANSPORT SERVICE, INC. | | | SCAC3 |
| 5 | RSTB | R & S TRUCKING | | | SCAC3 |
| 6 | RSTB | RST | | | SCAC4 |
| 7 | RSTC | ROSE TRUCKING INCORPORATED | | | SCAC3 |
| 8 | RSTD | RST INDUSTRIES LTD | | | SCAC3 |
| 9 | RSTE | RICE STREET TOWING INC | | | SCAC3 |
| 10 | RSTE | RED STAR FUELS | | | SCAC4 |
| 11 | RSTF | REIS TRUCKING INC | | | SCAC3 |
| 12 | RSTF | REIS TRUCKING INC | | | SCAC4 |
| 13 | RSTG | R & S TRUCKING INC | | | SCAC3 |
| 14 | RSTG | R & S TRUCKING | | | SCAC4 |
| 15 | RSTH | ROSE TRANSPORTATION CO | | | SCAC3 |
| 16 | RSTI | R S TRUCKING CO | | | SCAC3 |
| 17 | RSTI | RISING STAR TRANSPORTATION INC | | | SCAC4 |
| 18 | RSTJ | R & S TRUCKING | | | SCAC3 |
| 19 | RSTK | REESE TRUCKING | | | SCAC4 |
| 20 | RSTK | Rolling Stock Company | | RO | TRAFFIC |
| 21 | RSTL | R S TRAILER REPAIR INC | | | SCAC3 |
| 22 | RSTL | RST INDUSTRIES LIMITED | | | SCAC4 |
| 23 | RSTM | R & S TRANSPORTERS INTERMODAL SERVI | | | SCAC4 |
| 24 | RSTN | REASNOR & SON TRUCKING | | | SCAC3 |
| 25 | RSTN | R & S TRUCKING | | | SCAC4 |
| 26 | RSTO | RELIABLE-SCOTT TRANSPORT LIMITED | | | SCAC3 |
| 27 | RSTP | RELIABLE SOUTHERN TRANSPORT INC | | | SCAC4 |
| 28 | RSTQ | RISS TRANSPORTATION CO | | | SCAC3 |
| 29 | RSTQ | ROSE, STEVE | | | SCAC4 |
| 30 | RSTR | R & S TRANSPORT | | | SCAC3 |
| 31 | RSTR | R M S TRANSPORT LLC | | | SCAC4 |
| 32 | RSTS | Ruhr-Stickstoff AG | | D | TRAFFIC |
| 33 | RSTU | UNIT45 BV | | NL | BIC |
| 34 | RSTU | UNIT 45 BV | | | SCAC4 |
| 35 | RStV | Rinteln - Stadthagener Verkehrs GmbH | Celle | D | privat-bahn.de |
| 36 | RSTV | R AND S TRUCKING INC (NC CORP) | | | SCAC3 |
| 37 | RSTV | Rinteln-Stadthagener Verkehrsbetriebe | | D | TRAFFIC |
| 38 | RSTV | Rinteln-Stadthagener Verkehrs GmbH | | DE | VKM |
| 39 | RSTW | ROTTERDAM SHIPPING & TRADING B V | | | SCAC4 |
| 40 | RSTX | RSTX Inc. | added 1/1972; 1/1975-1/1980; eliminated 10/1985; added 1/1986; eliminated 10/1988 | | NAKINA |
| 41 | RSTX | RSP Motor Transport Co. | added 4/1969; 4/1970; eliminated 1/1972 | | NAKINA |
| 42 | RSTX | RSP Motor Transport Co. | added 4/69; 4/70; eliminated 1/72 | | NRHS |
| 43 | RSTX | RSTX Inc. | added 1/72; 1/75-1/80; added 1/86; eliminated 10/88 | | NRHS |
| 44 | RSTX | RSTX INC. [RSP MOTOR TRANSPORT CO.] | | | PWRC |
| 45 | RSTX | RSTX Inc. | | | RSRV |