| 1 | PLW | PL&W R.R., Inc. | added 10/1993; added 1/1994; eliminated 1/1996; 7/2000-7/2005 | | NAKINA |
| 2 | PLW | Pittsburgh, Lisbon & Western R.R. | 4/1938-1/1952 | | NAKINA |
| 3 | PLW | Pittsburgh, Lisbon & Western R.R. | 4/38-1/52 | | NRHS |
| 4 | PLW | PL&W R.R., Inc. | added 10/93; added 1/94; eliminated 1/96; 7/2000 | | NRHS |
| 5 | PLW | PL&W RAILROAD CO., INC. {PITTSBURGH, LISBON & WESTERN RAILROAD CO.] | | | PWRC |
| 6 | PLW | Pittsburgh, Lisbon & Western Railroad (PL&W Railroad) | | | RSRV |
| 7 | PLWG | POLLYWOG TRANSPORT INC | | | SCAC3 |
| 8 | PLWG | POLLYWOG TRANSPORT INC | | | SCAC4 |
| 9 | PLWH | PALMER WAREHOUSE & TRANSFER CO INC | | | SCAC3 |
| 10 | PLWJ | PLUMLY, W J INC | | | SCAC3 |
| 11 | PLWM | PARK LAKE WELDING AND MFG LTD | | | SCAC4 |
| 12 | PLWO | PLASTIC CONTAINERS TRANSPORT | | | SCAC3 |
| 13 | PLWQ | PLEASANT WAY VAN & STORAGE | | | SCAC3 |
| 14 | PLWU | INSPEKTORAT WSPARCIA SZ U.L DWERNICKIEGO 1 | | PL | BIC |
| 15 | PLWU | DOWODZTWO WOJSK LADOWYCH | | | SCAC4 |
| 16 | PLWX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 17 | PLWX | General Electric Railcar Services Corp. | added 10/1992; 1/1994; eliminated 1/2000 | | NAKINA |
| 18 | PLWX | Itel Rail Corp. | added 1/1990; eliminated 10/1992 | | NAKINA |
| 19 | PLWX | Pullman Leasing Co. | added 4/1981; eliminated 1/1990 | | NAKINA |
| 20 | PLWX | Pullman Leasing Co., a Subsidiary of Pullman Inc. | eliminated 1/1990 | | NAKINA |
| 21 | PLWX | Pullman Leasing Co., a Subsidiary of Pullman Inc. | eliminated 1/90 | | NRHS |
| 22 | PLWX | Pullman Leasing Co. | added 4/81; eliminated 1/90 | | NRHS |
| 23 | PLWX | Itel Rail Corp. | added 1/90; eliminated 10/92 | | NRHS |
| 24 | PLWX | General Electric Railcar Services Corp. | added 10/92; 1/94; eliminated 1/2000 | | NRHS |
| 25 | PLWX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 26 | PLWX | *PL&W RAILROAD CO., INC. {PITTSBURGH, LISBON & WESTERN RAILROAD CO.] | | | PWRC |
| 27 | PLWX | +(NATX) GENERAL ELECTRIC RAIL SERVICES CORP. [ITEL RAIL CORP.; PULLMAN LEASING CO.] | | | PWRC |
| 28 | PLWX | Pullman Leasing Co. (GE Capital Railcar Services) | | | RSRV |
| 29 | PLWX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
