| 1 | PET | Aerotransporte Petrolero Ltda. | Callsign: Aeropetro, | CO | AVCODES |
| 2 | PET | Aeropetrel | Callsign: Aeropetrel, | RCH | AVCODES |
| 3 | PET | Aerotransporte Petrolero | | | ICAO1 |
| 4 | PET | Peterson AS | | N | TRAFFIC |
| 5 | PETA | P & E TRANSPORT | | | SCAC4 |
| 6 | PETBT | Peterborough Transit | | CDN | TRAFFIC |
| 7 | PETC | P & E TERMINAL CO INC | | | SCAC3 |
| 8 | PETC | PETRON INC | | | SCAC4 |
| 9 | PETE | PETERS, TED, TRUCKING COMPANY, INC | | | SCAC3 |
| 10 | PETE | PETERSEN, JAMES D LOGGING INC | | | SCAC4 |
| 11 | PETF | PETTY TRUCKING | | | SCAC3 |
| 12 | PETF | PET FOOD LTD INC | | | SCAC4 |
| 13 | PETG | PENTONEY TRUCKING | | | SCAC3 |
| 14 | PETG | PRESTIGE MOVING & STORAGE CO INC | | | SCAC4 |
| 15 | PETH | PETRO HAULERS INC | | | SCAC4 |
| 16 | PETHO | Pethoplan GmbH | | DE | VKM |
| 17 | PETI | PETRO INC | | | SCAC4 |
| 18 | PETK | PEPPENHORST TRUCK SERVICE | | | SCAC3 |
| 19 | PETL | PETREL SHIPPING A/S | | | SCAC3 |
| 20 | PETL | PETRO LOCK INC | | | SCAC4 |
| 21 | PETM | PETROLEUM TRANSPORT INC | | | SCAC4 |
| 22 | PETN | PETERSON, BURTON R | | | SCAC3 |
| 23 | PETP | PENINSULA TRANSPORTATION CO, INC | | | SCAC3 |
| 24 | PETP | PETROLEUM PARTNERS LLC | | | SCAC4 |
| 25 | PETQ | PENROSE TRANSPORT INC | | | SCAC3 |
| 26 | PETR | PETERLIN CARTAGE CO | | | SCAC3 |
| 27 | PETR | PEACH TREE TRANSPORTATION, INC | | | SCAC4 |
| 28 | PETRL | PETROL D.D., Ljubljana | | SI | VKM |
| 29 | PETRO | Petrochem | | GB | TRAFFIC |
| 30 | PETROEC | Empresa Estatal Petróleos del Ecuador | | EC | TRAFFIC |
| 31 | PETT | PETTIT INC | | | SCAC4 |
| 32 | PETU | PETROLA INTERNATIONAL S.A. | | | SCAC3 |
| 33 | PETV | PRIORITY EXPRESS TRANSPORTATION SER | | | SCAC4 |
| 34 | PETW | PETES WATER SERVICE INC | | | SCAC3 |
| 35 | PETW | PETROLERA TRANSOCEANICA SA | | | SCAC4 |
| 36 | PETX | Petco Corp. | added 1/1953; eliminated 10/1953 | | NAKINA |
| 37 | PETX | Petco Corp., Great Lakes Refining Division | 1/1952; eliminated 1/1953 | | NAKINA |
| 38 | PETX | Great Lakes Refining Division of Petco Corp. | 1/1950 | | NAKINA |
| 39 | PETX | Petroleum Heat & Power Co., Inc. | 1/1943-1/1946 | | NAKINA |
| 40 | PETX | The Petrol Corp. | 7/1935-4/1938 | | NAKINA |
| 41 | PETX | The Petrol Corp. | Apr-38 | | NRHS |
| 42 | PETX | Petco Corp., Great Lakes Refining Division | Jan-52 | | NRHS |
| 43 | PETX | Petco Corp. | eliminated 10/53 | | NRHS |
| 44 | PETX | PETCO CORP., GREAT LAKES REFINING DIV. [PETROLEUM HEAT & POWER CO., INC.; PETROL CORP.] | | | PWRC |
