| 1 | SFG | Suedflug Süddeutsche Flugges mbH | Callsign: S�dflug, | D | AVCODES |
| 2 | SFG | Sun Freight Logistics Company Limited | IATA: UJ, | T | AVCODES |
| 3 | SFG | Caribbean Sun Airlines, Inc | IATA: ZQ, IATA Prefix: 521, Merged with LIAT | USA | AVCODES |
| 4 | SFG | Caribbean Sun Airlines, Inc | IATA: K8, Name changed to Caribbean Sun Airlines, Inc. d/b/a World Atlantic Airlines | USA | AVCODES |
| 5 | SFG | Spree Flug Luftfahrt GmbH | Callsign: Colorsky, | D | AVCODES |
| 6 | SFG | Sun Freight Logistics | | | ICAO1 |
| 7 | SFGA | SPADER FREIGHT SERVICES INC (DEDICA | | | SCAC4 |
| 8 | SFGB | SURFACE LOGISTICS LLC | | | SCAC4 |
| 9 | SFGC | SAALE FARM & GRAIN COMPANY INC | | | SCAC4 |
| 10 | SFGD | SAFEGUARD TRANSPORT, INC | | | SCAC1 |
| 11 | SFGD | SOUTHWIND FREIGHT & GLOBAL LOGISTIC | | | SCAC4 |
| 12 | SFGE | SAFEGUARD BY PARENT | | | SCAC4 |
| 13 | SFGF | SIMPLE FREIGHT SOLUTIONS INC | | | SCAC4 |
| 14 | SFGG | SOUTHERN FREIGHT TRUCKING | | | SCAC4 |
| 15 | SFGI | STANS INC | | | SCAC4 |
| 16 | SFGJ | SAFE CARGO LOGISTICS INC | | | SCAC4 |
| 17 | SFGK | STAR FREIGHT LLC | | | SCAC4 |
| 18 | SFGL | SCHENCK FARMS AND GREENHOUSES CO LT | | | SCAC4 |
| 19 | SFGM | SALTO FREIGHT | | | SCAC4 |
| 20 | SFGN | SAFEGUARD CRATES & TRANSPORT INC | | | SCAC4 |
| 21 | SFGO | SPIN FREIGHT SERVICES INC | | | SCAC4 |
| 22 | SFGP | SIERRA AIRFREIGHT EXPRESS | | | SCAC4 |
| 23 | SFGQ | SOUND FREIGHT SOLUTIONS INC | | | SCAC4 |
| 24 | SFGR | SCHAEFLEIN, GERHARD | | | SCAC4 |
| 25 | SFGS | SEATTLE FREIGHT SERVICE INC | | | SCAC4 |
| 26 | SFGV | SIMPLE FREIGHT SOLUTIONS INC | | | SCAC4 |
| 27 | SFGW | S & F GAS WORKS | | | SCAC4 |
| 28 | SFGX | Suburban Fuel Tank Car Co. | 1/1945-4/1947; 1/1950 (not listed) | | NAKINA |
| 29 | SFGX | SUBURBAN FUEL TANK CAR CO. | | | PWRC |
