| 1 | SFB | Air Sofia | IATA: CT, Callsign: Air Sofia, IATA Prefix: 551, Closed down by Bulgarian Authorites on 05 March 2007. | BG | AVCODES |
| 2 | SFB | His Majesty The Sultan's Flight | | BRU | AVCODES |
| 3 | SFB | Air Sofia | | | ICAO1 |
| 4 | SFB | Svendborg - Fåborg Banen | 1916 - 1954 | DK | jernbanen.dk |
| 5 | SFB | San Francisco Belt | 1/1994 | | NAKINA |
| 6 | SFB | San Francisco Belt | Jan-94 | | NRHS |
| 7 | SFB | *RETIRED 04-20-93 ATP (0688) | | | PWRC |
| 8 | SFB | *SAN FRANCISCO BELT RAILROAD | | | PWRC |
| 9 | SFB | SAN FRANCISCO BAY RAILROAD | | | SCAC4 |
| 10 | SFB | Strada Ferrata di Biella, Biella-Santhiá | | I | TRAFFIC |
| 11 | SFBC | SPARTAN FREIGHT SYSTEMS INC | | | SCAC4 |
| 12 | SFBD | SOUTH FLORIDA FRUIT AND | | | SCAC4 |
| 13 | SFBD | Svendborg - Fåborg Banen | Real: SFB, 1916 - 1954 | DK | TRAFFIC |
| 14 | SFBE | SHIFFLET BROTHERS ENTERPRISES, INC | | | SCAC1 |
| 15 | SFBE | SHIFFLET BROTHERS ENTERPRISES INC | | | SCAC4 |
| 16 | SFBF | SANDERSON FARMS | | | SCAC4 |
| 17 | SFBG | SAMSON FUEL & TRUCKING | | | SCAC4 |
| 18 | SFBH | SUGAR FOODS CORP | | | SCAC4 |
| 19 | SFBI | SOVEREIGN FREIGHT BROKERS INC | | | SCAC4 |
| 20 | SFBJ | STOFFEL, BRIAN J TRUCKING | | | SCAC4 |
| 21 | SFBK | SOUTH FLORIDA BAKERY INC | | | SCAC4 |
| 22 | SFBM | STRAWN FARMS LC | | | SCAC4 |
| 23 | SFBN | SHAMROCK FREIGHT BROKERS INC | | | SCAC4 |
| 24 | SFBO | STAFFORD FREIGHT SYSTEMS INC | | | SCAC4 |
| 25 | SFBP | SCHAFER, BERNARD PETROLEUM INC | | | SCAC4 |
| 26 | SFBQ | SHUFFLEBOX TRANSPORTATION LLC | | | SCAC4 |
| 27 | SFBR | SAN FRANCISCO BELT RAILROAD | | | PWRC |
| 28 | SFBS | STARS FERRY TRANSPORT INC | | | SCAC4 |
| 29 | SFBU | SOLVAY FLUOR GMBH | | D | BIC |
