| 1 | RSC | Aerolineas Ejecutivas Tarascas S.A. de C.V. | Callsign: Tarascas, | MEX | AVCODES |
| 2 | RSC | Canarias Airlines Compañía de Aviación, S.L. | Callsign: Canair, Founded in 2011. Commenced operations on 20 September 2011. Flights operated for Binter Canarias using IATA designator NT. | E | AVCODES |
| 3 | RSC | Aerolineas Ejecutivas Tarascas | | | ICAO1 |
| 4 | RSC | DB Schenker Rail Scandinavia A/S | 2009 - | DK | jernbanen.dk |
| 5 | RSC | DB Schenker Rail Scandinavia A/S | 2009 - | DK | TRAFFIC |
| 6 | RSC | DB Schenker Rail Scandinavia A/S | | DK | VKM |
| 7 | RSCA | ROAD SCHOLAR TRANSPORT, INC | | | SCAC3 |
| 8 | RSCA | ROAD SCHOLAR TRANSPORT INC | | | SCAC4 |
| 9 | RSCB | R STREET-CITY TRANSPORT LTD | | | SCAC4 |
| 10 | RSCG | R & S CARTAGE INC | | | SCAC3 |
| 11 | RSCH | ROSS CHARTERS INC, A NORTH CAROLINA | | | SCAC3 |
| 12 | RSCI | ROSECO INC | | | SCAC4 |
| 13 | RSCJ | RICHMOND STEEL CANADA LIMITED | | | SCAC4 |
| 14 | RSCK | R & S TRUCKING | | | SCAC3 |
| 15 | RSCK | RUSH CREEK TRUCKING LLC | | | SCAC4 |
| 16 | RSCL | ROTARY SHIPPING CO LIMITED | | | SCAC3 |
| 17 | RSCM | REPORT SHIPPING COMPANY LTD. | | | SCAC3 |
| 18 | RSCN | RSC TRANSPORTATION INC | | | SCAC4 |
| 19 | RSCO | RONS SERVICE CO | | | SCAC3 |
| 20 | RSCO | Rolling Stock Company | | RO | TRAFFIC |
| 21 | RSCO | ROLLING STOCK COMPANY S.A. | | RO | VKM |
| 22 | RSCQ | REIS CARTAGE CO | | | SCAC3 |
| 23 | RSCR | RUSCO TRUCKING | | | SCAC3 |
| 24 | RSCR | R S CARRIER INC | | | SCAC4 |
| 25 | RSCS | R & S COURIERS INC | | | SCAC3 |
| 26 | RSCT | RSC LOGISTICS LLC | | | SCAC4 |
| 27 | RSCU | RAMSEY SCARLETT & CO INC | | | SCAC3 |
| 28 | RSCU | RED SEA NAVIGATION CO | | | SCAC4 |
| 29 | RSCV | ROMAR STONE CARVING | | | SCAC4 |
| 30 | RSCX | Republic Steel Corp. | 7/1935-4/1970; eliminated 1/1972 | | NAKINA |
| 31 | RSCX | The Ralston Steel Car Co. | 7/1923 | | NAKINA |
| 32 | RSCX | Republic Steel Corp. | 4/38-4/70; eliminated 1/72 | | NRHS |
| 33 | RSCX | *RALSTON STEEL CAR CO. | | | PWRC |
| 34 | RSCX | *REPUBLIC STEEL CO. | | | PWRC |
| 35 | RSCX | *RESCAR | | | PWRC |
| 36 | RSCX | REPUBLIC STEEL CORP | | | SCAC3 |
| 37 | RSCX | Republic Steel Corporation | | USA | TRAFFIC |
| 38 | RSCY | ROSE CITY TRANSPORTATION INC | | | SCAC4 |
| 39 | RSCZ | *(CSXT) RETIRED 04-06-93 ATP (ACI 2389) | | | PWRC |
| 40 | RSCZ | *RYERSON STEEL CO. | | | PWRC |
