| 1 | AWP | Air Niger International | Callsign: Niger International, | RN | AVCODES |
| 2 | AWP | Aeroworld Pakistan Private Ltd | | PK | AVCODES |
| 3 | AWP | CSX Transportation, Inc. | added 7/1987; 1/1994-7/2005 | | NAKINA |
| 4 | AWP | (A&WP) Atlanta & West Point R.R. Co. | 4/1970 | | NAKINA |
| 5 | AWP | Atlanta & West Point R.R. Co. | 1/1975-1/1980; eliminated 1/1983 | | NAKINA |
| 6 | AWP | Seaboard System R.R., Inc. | added 1/1983; eliminated 7/1987 | | NAKINA |
| 7 | AWP | (A&WP) Atlanta & West Point R.R. Co. | Apr-70 | | NRHS |
| 8 | AWP | Atlanta & West Point R.R. Co. | 1/75-1/80; eliminated 1/83 | | NRHS |
| 9 | AWP | Seaboard System R.R., Inc. | added 1/83; eliminated 7/87 | | NRHS |
| 10 | AWP | CSX Transportation, Inc. | added 7/87; 1/94-7/2000 | | NRHS |
| 11 | AWP | CSX TRANSPORTATION [SEABOARD] [ATLANTA & WEST POINT RR] | | | PWRC |
| 12 | AWP | Atlanta and West Point Railroad (CSX Transportation) | | | RSRV |
| 13 | AWP | Atlanta & West Point | | USA | TRAFFIC |
| 14 | AWPC | ARROWPAC INC | | | SCAC4 |
| 15 | AWPD | A W PRODUCTS | | | SCAC4 |
| 16 | AWPF | ANGELUS WESTERN PAPER FIBERS | | | SCAC4 |
| 17 | AWPI | ARCH WOOD PROTECTION INC | | | SCAC4 |
| 18 | AWPN | ATLAS WOOD PRODUCTS INC | | | SCAC4 |
| 19 | AWPU | AWPL SERVICES PTY LTD. | | | SCAC3 |
| 20 | AWPU | AWPL SERVICES PTY LTD. | | | SCAC4 |
