| 1 | SNG | Air Senegal International | IATA: V7, Callsign: Air Senegal, IATA Prefix: 407, Founded in 1962. Ceased operations on 24 April 2009. | SN | AVCODES |
| 2 | SNG | LongJiang Airlines Co., Ltd. | IATA: LT, Callsign: Snow Eagle, IATA Prefix: 867, | PRC | AVCODES |
| 3 | SNG | Air Senegal International | IATA: V7 | | ICAO1 |
| 4 | SNG | Singergon Petroleum | | BG | VKM |
| 5 | SNGB | S N G TRUCKING INC | | | SCAC4 |
| 6 | SNGE | SINGER SPECIALIZED LTD | | | SCAC4 |
| 7 | SNGF | SPRUNGS TRANSPORT & MOVERS LIMITED | | | SCAC4 |
| 8 | SNGI | SIFUENTES AGUILAR, JOSE (MX-499578) | | | SCAC4 |
| 9 | SNGL | SUNGLEAM MARITIME LIMITED | | | SCAC4 |
| 10 | SNGO | SUNSHINE GREENHOUSE | | | SCAC4 |
| 11 | SNGP | S N G TRANSPORT INC | | | SCAC4 |
| 12 | SNGQ | SUNGLADE RANCH | | | SCAC4 |
| 13 | SNGR | SINGING PINES WILD RICE | | | SCAC4 |
| 14 | SNGU | SINOTRANS (GERMANY) GMBH | | | SCAC4 |
| 15 | SNGV | SUNLINE LOGISTICAL SERVICES INCORPO | | | SCAC4 |
| 16 | SNGX | Southeastern Natural Gas Corp. | added 4/1962; eliminated 10/1963 | | NAKINA |
| 17 | SNGX | Tropigas Inc. of Florida | added 10/1963; 7/1965; eliminated 1/1966 | | NAKINA |
| 18 | SNGX | Southeastern Natural Gas Corp. | added 4/62 | | NRHS |
| 19 | SNGX | Tropigas Inc. of Florida | 7/65; eliminated 1/66 | | NRHS |
| 20 | SNGX | TROPICGAS INC. OF FLORIDA [SOUTHEASTERN NATURAL GAS CORP.] | | | PWRC |
| 21 | SNGY | STEINBRUECK NATIVE GALLERY | | | SCAC4 |
