| 1 | SPI | South Pacific Island Airways, Inc. | Callsign: South Pacific, | USA | AVCODES |
| 2 | SPI | South Pacific Island Airways | | | ICAO1 |
| 3 | SPIA | SPITALE CO | | | SCAC4 |
| 4 | SPIB | SUPERIOR LOGISTICS INC | | | SCAC4 |
| 5 | SPIC | SPECIALIZED INC | | | SCAC4 |
| 6 | SPIE | SHIPRITE INC | | | SCAC4 |
| 7 | SPIEK | Inselbahn Spiekeroog | | D | TRAFFIC |
| 8 | SPIH | STEPHENS CARRIERS INC | | | SCAC4 |
| 9 | SPIJ | STEELE TRANSPORT INC | | | SCAC4 |
| 10 | SPIK | STONE, PAUL IVAN JR TRUCKING | | | SCAC4 |
| 11 | SPIL | SPEEDY INTERNATIONAL LLC | | | SCAC4 |
| 12 | SPIN | SPARTA INNOVATIONS INC | | | SCAC4 |
| 13 | SPIN | SPINELLI (ETS) | | FR | VKM |
| 14 | SPIS | SPICA SHIPPING CO LTD | | | SCAC4 |
| 15 | SPITZ | SPITZKE AG GUZ Berlin | | DE | VKM |
| 16 | SPITZKE | Spitzke Logistik GmbH | Real: SLG | D | TRAFFIC |
| 17 | SPIU | SAS SPINDRIFT | | F | BIC |
| 18 | SPIV | SPI TRANSPORT SYSTEMS INC | | | SCAC4 |
| 19 | SPIW | STRATEGIC ALLIANCE TRANSPORT | | | SCAC4 |
| 20 | SPIX | Sweeteners Plus, Inc. | 7/2000-7/2005 (not listed) | | NAKINA |
| 21 | SPIX | Sweeteners Plus, Inc. | Jul-00 | | NRHS |
| 22 | SPIX | SWEETENERS PLUS, INC. | | | PWRC |
| 23 | SPIX | Sweeteners Plus | | | RSRV |
| 24 | SPIX | SWEETENERS PLUS INC | | | SCAC4 |
| 25 | SPIY | STRIBLING PACKAGING INC | | | SCAC4 |
