| 1 | PRSX | Progress Rail Services Corp. | added 7/1998; 7/2000-7/2005 | | NAKINA |
| 2 | PRSX | Phoenix Refining Division—Chestnut & Smith Corp. | 7/1923 | | NAKINA |
| 3 | PRSX | Phoenix Refining Co. | 8/1920 | | NAKINA |
| 4 | PRSX | Progress Rail Services Corp. | added 7/98; 7/2000 | | NRHS |
| 5 | PRSX | *PHOENIX REFINING DIV., CHESTNUT & SMITH CORP. | | | PWRC |
| 6 | PRSX | +PROGRESS RAIL SERVICES CORPORATION {PACIFIC RAIL SERVICES} | | | PWRC |
| 7 | PRSX | Progress Rail Services Corporation | | | RSRV |
| 8 | PRSX | PROGRESS RAIL SERVICES CORPORATION | | | SCAC4 |
| 9 | PRSX | Progress Rail Services Corp. | | USA | TRAFFIC |