| 1 | SAS | Scandinavian Airlines System (SAS) | IATA: SK, Callsign: Scandinavian, IATA Prefix: 117, | S | AVCODES |
| 2 | SAS | Snowflake | IATA: SK, Commenced operations on 19 March 2003. Merged back into SAS 31 October 2004. Low cost business unit of SAS Scandinavian Airlines (SAS Group) | S | AVCODES |
| 3 | SAS | Scandinavian Airlines System | IATA: SK | | ICAO1 |
| 4 | SAS | Scandinavian Airlines | | S | TRAFFIC |
| 5 | SAS | Stockholms Ånglokssällskap | | SE | VKM |
| 6 | SASA | SALINAS SALINAS, JORGE ARIEL | | | SCAC4 |
| 7 | SASA | SASA AG | | I | TRAFFIC |
| 8 | SASB | S AND S TRANSPORT | | | SCAC4 |
| 9 | SASC | SANTINI, A MOVING & STORAGE CO | | | SCAC4 |
| 10 | SASE | SILVAS EXPRESS INC | | | SCAC4 |
| 11 | SASK | Saskatchewan Transportation Company | | CDN | TRAFFIC |
| 12 | SASM | SAS COMPAGNIE MARITIME NANTAISE- MN | | | SCAC4 |
| 13 | SASN | SAN ANTONIO STEEL COMPANY | | | SCAC4 |
| 14 | SASR | SASSER OIL COMPANY INC | | | SCAC4 |
| 15 | SAST | STATE TWO (2) STATE | | | SCAC4 |
| 16 | SASTR | SAS TASIMACILIK VE TICCARET LTD.STI | | TR | VKM |
| 17 | SASU | SUNMAR CONTAINER LINES | | | SCAC1 |
| 18 | SASU | SUNMAR SHIPPING INC. | | | SCAC4 |
| 19 | SASX | Continental Tank Car Corp. | added 1/1979; 1/1980; eliminated 7/1982 | | NAKINA |
| 20 | SASX | Suburban Fuel Tank Car Co. | added 7/1965; 7/1965-1/1975; eliminated 1/1979 | | NAKINA |
| 21 | SASX | Olin Mathieson Chemical Corp. | added 10/1954; 10/1957-4/1961; eliminated 7/1965 | | NAKINA |
| 22 | SASX | Mathieson Chemical Corp. | 1/1950-7/1954; eliminated 10/1954 | | NAKINA |
| 23 | SASX | Southern Acid & Sulphur Co., Inc. | 7/1932-4/1947 | | NAKINA |
| 24 | SASX | Southern Acid & Sulphur Co. | 8/1920-7/1930 | | NAKINA |
| 25 | SASX | Southern Acid & Sulphur Co., Inc. | Apr-38 | | NRHS |
| 26 | SASX | Mathieson Chemical Corp. | Jan-52 | | NRHS |
| 27 | SASX | Olin Mathieson Chemical Corp. | 10/57-4/61; eliminated 7/65 | | NRHS |
| 28 | SASX | Suburban Fuel Tank Car Co. | added 7/65; 7/65-1/75; eliminated 1/79 | | NRHS |
| 29 | SASX | Continental Tank Car Corp. | added 1/79; 1/80; eliminated 7/82 | | NRHS |
| 30 | SASX | *SOUTHERN ACID & SULPHUR CO., INC. | | | PWRC |
| 31 | SASX | *OLIN MATHIESON CHEMICAL CORP. [MATHIESON CHEMICAL CORP.] | | | PWRC |
| 32 | SASX | *CONTINENTAL TANK CAR CORP. [SUBURBAN FUEL TANK CAR CO.] | | | PWRC |
| 33 | SASX | +KDL TRANSPORTATION, LLC d/b/a SA SERVICES, LLC | | | PWRC |
| 34 | SASX | KDL TRANSPORTATION LLC DBA SA SERVI | | | SCAC4 |
| 35 | SASY | S & S CHARTERS LLC | | | SCAC4 |
