| 1 | SAU | United Aviation Services, S.A. | Callsign: Uniserve, | E | AVCODES |
| 2 | SAU | United Aviation Services | | | ICAO1 |
| 3 | SAUC | SECOND (2ND) CHANCE TRUCKING LTD | | | SCAC4 |
| 4 | SAUD | SAUDI NATIONAL LINES | | | PWRC |
| 5 | SAUD | SAUCEDA MOVING | | | SCAC4 |
| 6 | SAUJ | SAUNDERS TRUCKING INC | | | SCAC4 |
| 7 | SAUK | SADLER TRUCKING CO | | | SCAC4 |
| 8 | SAULT | Sault Saint Marie Transit | | CDN | TRAFFIC |
| 9 | SAUO | SCOTTIES AUTO TRANSPORT INC | | | SCAC4 |
| 10 | SAUP | SAUER EXPRESS INC | | | SCAC4 |
| 11 | SAUR | SAUERS, WARREN C CO INC | | | SCAC4 |
| 12 | SAUR | South Australian Railways | Real: SAR | AUS | TRAFFIC |
| 13 | SAURER | | | CH | TRAFFIC |
| 14 | SAUT | SAUDER TRANSPORT LTD | | | SCAC4 |
| 15 | SAUX | Sauvage Gas Co. | added 1/1965; 7/1965-7/2005 | | NAKINA |
| 16 | SAUX | Sauvage Gas Co. | added 1/65; 7/65-7/2000 | | NRHS |
| 17 | SAUX | SAUVAGE GAS CO. | | | PWRC |
| 18 | SAUX | Sauvage Gas | | | RSRV |
| 19 | SAUY | SAUDER, RANDY | | | SCAC4 |
