| 1 | GSR | Silk Route Airways | IATA: NS, Callsign: Silkroute Airways, Name changed to Caucasus Airlines, ICAO desigantor changed to SRJ. ICAO callsign changed to Caucasus. | GE | AVCODES |
| 2 | GSR | GREAT SANDHILLS RAILWAY LTD | | | SCAC4 |
| 3 | GSR | Great Southern Railway | | AUS | TRAFFIC |
| 4 | GSRB | GARZA SALINAS, REYNALDO | | | SCAC4 |
| 5 | GSRC | GARCIA SALAS, FRANCISCO | | | SCAC4 |
| 6 | GSRC | Guangshen Railway | | PRC | TRAFFIC |
| 7 | GSRG | GSR TRUCKING LLC | | | SCAC4 |
| 8 | GSRI | GASTELUM RIVERA, HERNAN | | | SCAC4 |
| 9 | GSRK | G & S TRUCKING | | | SCAC4 |
| 10 | GSRL | GAS SUPPLY RESOURCES LLC | | | SCAC4 |
| 11 | GSRN | G S R INTERMODAL TRANSPORTATION INC | | | SCAC4 |
| 12 | GSRO | G & S RACING TRANSPORT INC | | | SCAC4 |
| 13 | GSRP | GS TRANS | | | SCAC4 |
| 14 | GSRU | GOLDEN SOMERSET ROCK LTD | | GB | BIC |
| 15 | GSRV | GALAXY SERVICES INTERNATIONAL INC | | | SCAC4 |
| 16 | GSRX | Golden Spike Railroad Services | 7/2000-7/2005 (not listed) | | NAKINA |
| 17 | GSRX | Great Southern Refining Co. | 7/1923 | | NAKINA |
| 18 | GSRX | Golden Spike Railroad Services | Jul-00 | | NRHS |
| 19 | GSRX | *GETTYSBURG SCENIC RAIL TOUR | | | PWRC |
| 20 | GSRX | +GOLDEN SPIKE RAILROAD SERVICES | | | PWRC |
| 21 | GSRX | Golden Spike Railroad Services | | | RSRV |
| 22 | GSRX | GOLDEN SPIKE RAILROAD SERVICES | | | SCAC4 |
