| 1 | PEF | Perfect Aviaton SA | Callsign: Perfect Aviaton, | P | AVCODES |
| 2 | PEF | Passauer Eisenbahnfreunde e.V. | Passau | D | privat-bahn.de |
| 3 | PEF | Passauer Eisenbahn Freunde e.V | | DE | VKM |
| 4 | PEFC | PERFECT COURIER INC | | | SCAC3 |
| 5 | PEFD | PETTIS MOVING CO INC | | | SCAC3 |
| 6 | PEFD | PETTIS MOVING CO INC | | | SCAC4 |
| 7 | PEFG | PEARL FORWARDING INC | | | SCAC3 |
| 8 | PEFI | PUCH, ERWIN F INC | | | SCAC3 |
| 9 | PEFK | PERAU, FRANKLIN A | | | SCAC3 |
| 10 | PEFL | PETERS FUEL CORPORATION | | | SCAC4 |
| 11 | PEFM | PEARSON, FELTON COMPANY | | | SCAC3 |
| 12 | PEFN | PERKINS FURNITURE TRANSPORT INC | | | SCAC3 |
| 13 | PEFN | PERKINS SPECIALIZED TRANSPORTATION | | | SCAC4 |
| 14 | PEFO | PRONTO EMERGENCY FREIGHT INC | | | SCAC3 |
| 15 | PEFR | PREFERRED LOGISTICS INC | | | SCAC4 |
| 16 | PEFS | PENNER FEED & SUPPLY, INC. | | | SCAC3 |
| 17 | PEFT | PRESTEVE FOODS LIMITED | | | SCAC4 |
| 18 | PEFU | VERSALIS FRANCE SAS | | F | BIC |
| 19 | PEFU | POLIMERI EUROPA FRANCE SNC | | | SCAC4 |
| 20 | PEFW | PENN FREIGHTWAYS INCORPORATED | | | SCAC3 |
| 21 | PEFX | Progress Energy Florida, Inc. | added 10/2006; eliminated 4/2007 | | NAKINA |
| 22 | PEFX | PROGRESS ENERGY FLORIDA, INC. | | | PWRC |
| 23 | PEFX | PROGRESS ENERGY FLORIDA INC | | | SCAC4 |
