| 1 | EPA | Express Airways GmbH | Callsign: Express Farner, ICAO callsign changed to Exways | D | AVCODES |
| 2 | EPA | Express Airways GmbH | Callsign: Exways, ICAO callsign changed from Express Farner | D | AVCODES |
| 3 | EPA | Eastern Provincial Airways (1963) Ltd. | IATA: PV, Callsign: Provincial, Taken over by Canadian Pacific Airlines in 1986. Formerly Maritime Central Airways | CDN | AVCODES |
| 4 | EPA | PT. Efata Papua Airlines | IATA: W2, Callsign: Efata, Commenced operations on 09 January 2006. Ceased operations in February 2007. | RI | AVCODES |
| 5 | EPA | Shenzhen Donghai Airlines Co., Ltd. | IATA: J5, Callsign: Donghai Air, IATA Prefix: 844, Designator J5* recalled by IATA | PRC | AVCODES |
| 6 | EPA | Donghai Airlines Co., Ltd. | IATA: DZ, Callsign: Donghai Air, IATA Prefix: 893, Designator J5* recalled by IATA | PRC | AVCODES |
| 7 | EPA | Shenzhen Donghai Airlines | | | ICAO1 |
| 8 | EPA | Donghai Airlines | | PRC | TRAFFIC |
| 9 | EPAA | ECONOMY PRODUCE AND VEGETABLE | | | SCAC4 |
| 10 | EPAC | EASTERN PA CARTAGE CO INC | | | SCAC3 |
| 11 | EPAC | ENGLAND PAVING & CONTRACTING LTD | | | SCAC4 |
| 12 | EPAF | EAGLE PROPANE AND FUELS | | | SCAC4 |
| 13 | EPAM | EXPERT PACKING & MOVING SERVICES | | | SCAC3 |
| 14 | EPAM | EUROPEAN & AMERICAN SAUSAGE CORP | | | SCAC4 |
| 15 | EPAP | EAGLE FIBERGLASS PRODUCTS 92 LTD | | | SCAC4 |
| 16 | EPAQ | ECLIPSE TRANSPORTATION SERVICES INC | | | SCAC4 |
| 17 | EPAT | EAST PENN TRUCKING CO | | | SCAC3 |
| 18 | EPAV | EAST PENN AVIATION SERVICE INC | | | SCAC4 |
| 19 | EPAX | Exxon Mobil Corp. | added 7/2000; 7/2000-7/2005 | | NAKINA |
| 20 | EPAX | Paxon Polymer Co., L.P. II an Exxon Chemical Affiliate | eliminated 7/2000 | | NAKINA |
| 21 | EPAX | Paxon Polymer Co., L.P. | added 7/1996 | | NAKINA |
| 22 | EPAX | Paxon Polymer Co., L.P. | added 7/96 | | NRHS |
| 23 | EPAX | Paxon Polymer Co., L.P. II an Exxon Chemical Affiliate | eliminated 7/2000 | | NRHS |
| 24 | EPAX | Exxon Mobil Corp. | added 7/2000; 7/2000 | | NRHS |
| 25 | EPAX | PAXON POLYMER COMPANY (EXXON-MOBIL CORP.) | | | PWRC |
| 26 | EPAX | Exxon-Mobil Corporation | | | RSRV |
| 27 | EPAX | EXXON MOBIL CORPORATION | | | SCAC4 |
