| 1 | EPR | Expreso Aereo | Callsign: Expreso Aereo, | PE | AVCODES |
| 2 | EPR | Express Airways, D.o.o. | Callsign: Emperor, | SLO | AVCODES |
| 3 | EPR | E-P Rail Romani | | RO | TRAFFIC |
| 4 | EPRA | EPICENTER AQUACULTURE INC | | | SCAC4 |
| 5 | EPRC | EXPRESS PRODUCE CO INC | | | SCAC3 |
| 6 | EPRC | ENTREPRISES FORESTIERES RE-AN INC | | | SCAC4 |
| 7 | EPRE | EMPIRE WAREHOUSE INC | | | SCAC3 |
| 8 | EPRE | EMPIRE WAREHOUSE INC | | | SCAC4 |
| 9 | EPRK | EPARKA SHIPPING INC. | | | SCAC3 |
| 10 | EPRL | EXPO PROS LTD | | | SCAC3 |
| 11 | EPRN | EMPRESA | | | SCAC4 |
| 12 | EPRO | EDWARDS PRO-TECH LTD | | | SCAC4 |
| 13 | EPRP | EXPRESS PLUS | | | SCAC4 |
| 14 | EPRR | EXPLORERS TRANSPORT INC | | | SCAC4 |
| 15 | EPRS | EMPIRE STATE MARINE CO INC | | | SCAC3 |
| 16 | EPRS | EXPRESS RALEIGH SA DE CV | | | SCAC4 |
| 17 | EPRT | EPLEY, RALPH L TRUCKING | | | SCAC3 |
| 18 | EPRU | ENICHEM POLIMERI | | | SCAC3 |
| 19 | EPRY | East Penn Railroad LLC | added 10/2007 | | NAKINA |
| 20 | EPRY | East Penn Ry., Inc. | added 1/1996; 7/2000-7/2005; eliminated 7/2005 | | NAKINA |
| 21 | EPRY | East Penn Ry., Inc. | added 1/96; 7/2000 | | NRHS |
| 22 | EPRY | EAST PENN RAILWAY | | | PWRC |
| 23 | EPRY | East Penn Railway | | | RSRV |
| 24 | EPRY | EAST PENN RAILWAYS INC | | | SCAC4 |
