| 1 | RSL | Rio Sul Linhas Aereos, S.A. | IATA: SL, Callsign: Riossul, IATA Prefix: 293, Merged with Nordeste and then into Varig. Name changed from Rio-Sul Servicos Aereos Regionais, S.A. Designator SL reinstated by IATA | BR | AVCODES |
| 2 | RSL | Rio-Sul Servicos Aereos Regionais, S.A. | IATA: SL, Callsign: Riossul, IATA Prefix: 293, Name changed to Rio Sul Linhas Aereas S.A. Designator SL reinstated by IATA | BR | AVCODES |
| 3 | RSL | Panama Aircraft Rental and Sales, Inc. | Callsign: Panama Rental, | PA | AVCODES |
| 4 | RSL | Rio Sul Serviços Aéreos Regionais | IATA: SL | | ICAO1 |
| 5 | RSL | Rad und Schiene Logistik GmbH | | DE | VKM |
| 6 | RSLA | ROSELAND TRUCKING INC | | | SCAC4 |
| 7 | RSLB | RIVER SIDE LOGISTICS LLC | | | SCAC4 |
| 8 | RSLC | ROSELLE CONSTRUCTION INC | | | SCAC3 |
| 9 | RSLC | RS LOGISTICS LIMITED. | | | SCAC4 |
| 10 | RSLD | ROSELAND TRUCKING CORP | | | SCAC3 |
| 11 | RSLD | ROSE LIMITED | | | SCAC4 |
| 12 | RSLE | ROSELLE TRUCKING | | | SCAC3 |
| 13 | RSLE | RICAUD SANCHEZ, LOURDES ELIZABETH S | | | SCAC4 |
| 14 | RSLF | RUSSEL FREIGHT LINES INC | | | SCAC3 |
| 15 | RSLF | RED STAR LOGISTICS INC | | | SCAC4 |
| 16 | RSLG | RIVERSIDE LOGISTICS INC | | | SCAC4 |
| 17 | RSLI | RISELING MOTOR EXPRESS, INC | | | SCAC3 |
| 18 | RSLI | RYCO SERVICES LLC | | | SCAC4 |
| 19 | RSLJ | RUSSELL, JIM SERVICE INC | | | SCAC3 |
| 20 | RSLJ | RESTORC LTD | | | SCAC4 |
| 21 | RSLL | RUSSELL, PAUL WALTER | | | SCAC3 |
| 22 | RSLN | RLC STEAMSHIP LINES | | | SCAC3 |
| 23 | RSLN | RAZO SILVA, ADAN | | | SCAC4 |
| 24 | RSLO | R & S LINES INC | | | SCAC4 |
| 25 | RSLP | RISSLER, PAUL R | | | SCAC3 |
| 26 | RSLQ | ROYAL STATE LINE INC | | | SCAC4 |
| 27 | RSLR | READY SET LOAD LLC | | | SCAC4 |
| 28 | RSLS | RUSSELL, FRANK & SON | | | SCAC3 |
| 29 | RSLS | ROSE, J | | | SCAC4 |
| 30 | RSLT | ROXEN SHIPPING LIMITED | | | SCAC4 |
| 31 | RSLU | MATSON SOUTH PACIFIC LTD | | NZ | BIC |
| 32 | RSLU | REEF SHIPPING LTD | | | SCAC4 |
| 33 | RSLW | R S LIQUID WASTE DISPOSAL INC | | | SCAC3 |
| 34 | RSLX | Hexion Specialty Chemicals, Inc. | added 7/2007 | | NAKINA |
| 35 | RSLX | Resolution Performance Products | added 4/2001; 7/2005; eliminated 7/2007 | | NAKINA |
| 36 | RSLX | Shell Epoxy Resins | added 1/2001; eliminated 4/2001 | | NAKINA |
| 37 | RSLX | RSL Corp. | added 10/1978; 1/1980; eliminated 10/1984 | | NAKINA |
| 38 | RSLX | RSL Corp. | added 10/78; 1/80; eliminated 10/84 | | NRHS |
| 39 | RSLX | Shell Epoxy Resins | added 1/2001; eliminated 4/2001 | | NRHS |
| 40 | RSLX | Resolution Performance Products | added 4/2001 | | NRHS |
| 41 | RSLX | *RSL CORPORATION | | | PWRC |
| 42 | RSLX | *RESOLUTION PERFORMANCE PRODUCTS [SHELL EPOXY RESINS] | | | PWRC |
| 43 | RSLX | +HEXION SPECIALTY CHEMICALS, INC. | | | PWRC |
| 44 | RSLX | RSL Corporation | | | RSRV |
| 45 | RSLX | HEXION SPECIALITY CHEMICALS INC | | | SCAC4 |
