| 1 | PSB | Syrian Pearl Airlines | IATA: PI, | SYR | AVCODES |
| 2 | PSBC | POLAND SPRING BOTTLING CORP | | | SCAC3 |
| 3 | PSBD | PACIFIC SPECIALTY BRANDS | | | SCAC4 |
| 4 | PSBE | PERISHABLE EXPRESS, THE | | | SCAC3 |
| 5 | PSBL | PALUSKI BOATS LIMITED | | | SCAC4 |
| 6 | PSBN | PSB & SONS TRANSPORT INC | | | SCAC4 |
| 7 | PSBP | PRIME SOURCE BUILDING PRODUCTS INC | | | SCAC4 |
| 8 | PSBR | PITTSBURGH INTERMODAL TERMINALS INC | | | SCAC4 |
| 9 | PSBS | PETERSON SBS | | | SCAC4 |
| 10 | PSBT | PEL-STATE BULK PLANT LLC | | | SCAC4 |
| 11 | PSBU | CONTSHIP | | | PWRC |
| 12 | PSBU | Contship | | | RSRV |
| 13 | PSBU | CONTSHIP | | | SCAC3 |
| 14 | PSBU | CP SHIPS | | | SCAC4 |
| 15 | PSBV | P. S. B. TRUCKING, INC | | | SCAC3 |
| 16 | PSBX | Pacific States Railcar Co. | added 1/1974; 1/1975-1/1994; eliminated 4/1998 | | NAKINA |
| 17 | PSBX | Pacific States Railcar Co. | added 1/74; 1/75-1/94; eliminated 4/98 | | NRHS |
| 18 | PSBX | *PACIFIC STATES RAILCAR COMPANY | | | PWRC |
| 19 | PSBX | +POWER ASSET RECOVERY CORP. | | | PWRC |
| 20 | PSBX | POWER ASSET RECOVERY CORPORATION | | | SCAC4 |
