| 1 | SWR | Swiss Air Transport Co. Ltd. (Swissair) | IATA: SR, Callsign: Swissair, IATA Prefix: 085, Ceased Operations on 31 March 2002. | CH | AVCODES |
| 2 | SWR | Swiss International Airlines Ltd. d/b/a Swiss | IATA: LX, Callsign: Swiss, IATA Prefix: 724, ICAO designator changed from CRX. Name changed from Crossair Ltd. d/b/a Swiss International Airlines Ltd. Name changed from Crossair Limited Company for European Regional Air Transport on 31 March 2002. | CH | AVCODES |
| 3 | SWR | Swiss International Air Lines | IATA: LX | | ICAO1 |
| 4 | SWR | Swissair | IATA: SR | | ICAO1 |
| 5 | SWR | Southwestern Railroad Co. Inc. | Real: SW | USA | TRAFFIC |
| 6 | SWR | SWISSRAIL S.A. | | CH | VKM |
| 7 | SWRA | SWEAT TRANSPORTATIONN INC | | | SCAC4 |
| 8 | SWRB | SHOWROOM TRANSPORT | | | SCAC4 |
| 9 | SWRC | SWIFT COURIER SERVICES INC | | | SCAC4 |
| 10 | SWRE | STEWART TRANSPORT INC | | | SCAC4 |
| 11 | SWREG | Stadtwerke Regensburg | | D | TRAFFIC |
| 12 | SWRG | SCHWARTZ, ROGER & SONS INC | | | SCAC4 |
| 13 | SWRH | Stadtwerke Rheydt | Rheydt was included in Mönchengladbach in 1975 | D | TRAFFIC |
| 14 | SWRI | SEA WORLD TRADING LTD | | | SCAC4 |
| 15 | SWRJ | SWEET, ROBERT J INC | | | SCAC4 |
| 16 | SWRK | STANDARD AUTO WRECKERS INC | | | SCAC4 |
| 17 | SWRO | SWANNER TRANSFER & STORAGE INC | | | SCAC4 |
| 18 | SWRQ | STEWARDS INC | | | SCAC4 |
| 19 | SWRR | SOUTHWEST CARRIERS INC | | | SCAC4 |
| 20 | SWRT | SWAFFORD TRUCKING INC | | | SCAC4 |
| 21 | SWRTT | Schotterwer Röblingen GmbH | | DE | VKM |
| 22 | SWRU | Stadtwerke Rüsselsheim | | D | TRAFFIC |
| 23 | SWRW | STANISLAW, ROGER A | | | SCAC4 |
| 24 | SWRX | The Shallow Water Refining Co. | 1/1950-1/1952 | | NAKINA |
| 25 | SWRX | Richmond Rail Equipment Leasing Co. | added 7/1977; 1/1980-1/1994; eliminated 4/1996 | | NAKINA |
| 26 | SWRX | Transportation Equipment, Inc. | added 4/1996; 7/2000; eliminated 1/2005; 7/2005 (not listed) | | NAKINA |
| 27 | SWRX | The Shallow Water Refining Co. | Jan-52 | | NRHS |
| 28 | SWRX | Richmond Rail Equipment Leasing Co. | added 7/77; 1/80-1/94; eliminated 4/96 | | NRHS |
| 29 | SWRX | Transportation Equipment, Inc. | added 4/96; 7/2000 | | NRHS |
| 30 | SWRX | *SHALLOW WATER REFINING CO. | | | PWRC |
| 31 | SWRX | *SOUTHWIND SHORTLINE RAILROAD CO. | | | PWRC |
| 32 | SWRX | +TRANSPORTATION EQUIPMENT, INC. [RICHMOND RAIL LEASING COMPANY] | | | PWRC |
| 33 | SWRX | Richmond Rail Equipment Leasing | | | RSRV |
