| 1 | SIX | Sixt Rent A Car, LLC | Callsign: Drive Orange, | USA | AVCODES |
| 2 | SIXA | SIX (6) FIGURED | | | SCAC4 |
| 3 | SIXD | SIX EIGHT EIGHT SEVEN TWO SIX ONE ( | | | SCAC4 |
| 4 | SIXH | SIX TWO FOUR ONE NINE FOUR EIGHT (6 | | | SCAC4 |
| 5 | SIXL | SCARBROUGH INTERNATIONAL EXPRESS LI | | | SCAC4 |
| 6 | SIXM | SIX ONE ONE ZERO SIX TWO TWO (61106 | | | SCAC4 |
| 7 | SIXN | SIN EXPEDITING | | | SCAC4 |
| 8 | SIXO | SIOUXLAND PROPANE CO | | | SCAC4 |
| 9 | SIXP | SOUTHERN INTERMODAL XPRESS INC | | | SCAC4 |
| 10 | SIXQ | SIX TWO SEVEN TWO ZERO NINE SIX (62 | | | SCAC4 |
| 11 | SIXU | SOLVAY INDUPA DO BRASIL S A | | | SCAC4 |
| 12 | SIXV | SIOUX VALLEY COOPERATIVE | | | SCAC4 |
| 13 | SIXW | SIX (6) TRANS TRANSPORTATION INC | | | SCAC4 |
| 14 | SIXX | 636 Leasing LLC | added 10/2003; eliminated 1/2004; 7/2005 (not listed) | | NAKINA |
| 15 | SIXX | 636 LEASING LLC | | | PWRC |
| 16 | SIXX | SIX THREE SIX (636) LEASING INC | | | SCAC4 |
| 17 | SIXY | SIX THREE FIVE FIVE ONE TWO (635512 | | | SCAC4 |
