| 1 | GSW | Sky Wings Airlines S.A. | IATA: ND, Callsign: Arrow Jet, Founded in 2004. Merged with the Ukrainian airline Khors Aircompany on 1 December 2012. | GR | AVCODES |
| 2 | GSW | Germania Flug AG t/a Holiday Jet | IATA: GM, Callsign: Eiger, Founded in August 2014. Name changed to Germania Flug AG in November 2019. | CH | AVCODES |
| 3 | GSW | Chair Airlines AG t/a chair | IATA: GM, Callsign: Eiger, Founded in August 2014. Name changed from Germania Flug AG t/a Holiday Jet in November 2015 then changed from Germania Flug AG w.e.f. 11 June 2019. | CH | AVCODES |
| 4 | GSW | Germania Flug AG | IATA: GM, Callsign: Eiger, Founded in August 2014. Name changed from Germania Flug AG t/a Holiday Jet in November 2015. Name changed to Chair Airlines AG t/a chair w.e.f. 01 July 2019. | CH | AVCODES |
| 5 | GSW | Sky Wings Airlines | | | ICAO1 |
| 6 | GSW | Great Southwest R.R., Inc. | 1/1975-1/1980; eliminated 4/1988 | | NAKINA |
| 7 | GSW | Great Southwest R.R., Inc. | 1/75-1/80; eliminated 4/88 | | NRHS |
| 8 | GSW | GREAT SOUTHWEST RAILROAD INC. | | | PWRC |
| 9 | GSW | Great Southwest Railroad | | | RSRV |
| 10 | GSW | Germania Flug | | CH | TRAFFIC |
| 11 | GSWA | GREAT SPRING WATERS OF AMERICA INC | | | SCAC4 |
| 12 | GSWD | GASAWAY DISTRIBUTORS INC | | | SCAC4 |
| 13 | GSWG | GULF SOUTH WAREHOUSE | | | SCAC4 |
| 14 | GSWH | GRAND STREET WAREHOUSE INC | | | SCAC4 |
| 15 | GSWR | Georgia Southwestern R.R., Inc. | 7/2005 | | NAKINA |
| 16 | GSWR | Georgia Southwestern Division, South Carolina Central R.R. Co., Inc. | added 10/1989; 1/1994-7/2000 | | NAKINA |
| 17 | GSWR | Georgia Southwestern Division, South Carolina Central R.R. Co., Inc. | added 10/89; 1/94-7/2000 | | NRHS |
| 18 | GSWR | GEORGIA SOUTHWESTERN RAILROAD INC., DIV. SOUTH CAROLINA CENTRAL RR | | | PWRC |
| 19 | GSWR | South Carolina Central Railroad (Georgia Southwestern Division) | | | RSRV |
| 20 | GSWR | GEORGIA SOUTHWESTERN RAILROAD INC | | | SCAC4 |
| 21 | GSWR | Georgia Southwestern | | USA | TRAFFIC |
| 22 | GSWS | GWI SWITCHING SYSYEMS {GENNESSEE & WYOMING SWITCHING} | | | PWRC |
| 23 | GSWS | GSW TRANSPORTATION INC | | | SCAC4 |
| 24 | GSWX | G&S Co., Inc. | added 1/1980; 1/1980; eliminated 4/1988 | | NAKINA |
| 25 | GSWX | Glen Summit Springs Water Co., Inc. | 7/1935-1/1950 | | NAKINA |
| 26 | GSWX | Glen Summit Springs Water Co., Inc. | Apr-38 | | NRHS |
| 27 | GSWX | G&S Co., Inc. | added 1/80; 1/80; eliminated 4/88 | | NRHS |
| 28 | GSWX | *GLEN SUMMIT SPRINGS WATER CO., INC. | | | PWRC |
| 29 | GSWX | *G & S SUPPLY INC. | | | PWRC |
| 30 | GSWX | G and S Supply | | | RSRV |
