| 1 | PAT | Department Of The Army, Priority Air Transport (Davison Aviation Command) | Callsign: Pat, | USA | AVCODES |
| 2 | PAT | Paramount Airways | IATA: QJ, Callsign: Paramount, Founded in October 1986. Ceased operations on 15 November 1989. | GB | AVCODES |
| 3 | PAT | Priority Air Transport | | | ICAO1 |
| 4 | PAT | PORT AUTHORITY TRANSIT OF ALLEGHENY COUNTY (PITTSBURGH, | | | PWRC |
| 5 | PAT | Port Authority Transit (Pittsburgh - Allegheny county) | City: Pittsburgh | USA | TRAFFIC |
| 6 | PAT | Zakłady Naprawcze Taboru Kolejowego “PATEREK” S.A. | | PL | VKM |
| 7 | PATA | PATRIOT TANK LINES INC | | | SCAC4 |
| 8 | PATB | P A T AUTO TRANSPORT INC | | | SCAC4 |
| 9 | PATC | PORT AUTHORITY TRANSIT COMMISSION | | | PWRC |
| 10 | PATC | PATCO TRANSPORT SYSTEMS INC | | | SCAC3 |
| 11 | PATCO | PORT AUTHORITY TRANSIT CORPORATION (PHILADELPHIA) | | | PWRC |
| 12 | PATCO | Port Authority Transit Corporation | City: Pittsburgh | USA | TRAFFIC |
| 13 | PATD | PATHFINDER TRUCKING | | | SCAC3 |
| 14 | PATD | PATRIQUIN, DOUGLAS TRUCKING AND SER | | | SCAC4 |
| 15 | PATE | PATE STEVEDORE COMPANY | | | SCAC4 |
| 16 | PATG | PATS TOWING SERVICE INC | | | SCAC3 |
| 17 | PATG | PATRIOT LOGISTICS INC | | | SCAC4 |
| 18 | PATH | PORT AUTHORITY TRANS HUDSON (NY-NJ) | | | PWRC |
| 19 | PATH | P A TRANS | | | SCAC4 |
| 20 | PATH | Port Authority Trans-Hudson | | USA | TRAFFIC |
| 21 | PATI | PATTIE, CLARE TRUCKING INC | | | SCAC3 |
| 22 | PATI | PATRIOT INTERMODAL TRANSPORT INC | | | SCAC4 |
| 23 | PATJ | PATTONS INC | | | SCAC3 |
| 24 | PATJ | P & A TRADING INC | | | SCAC4 |
| 25 | PATK | PAYNE TRUCKING CO | | | SCAC4 |
| 26 | PATL | PARRISH TRANSFER LINE | | | SCAC3 |
| 27 | PATL | PARACLETE TRANSPORT LTD | | | SCAC4 |
| 28 | PATM | PATMOS SHIPPING CO LTD | | | SCAC4 |
| 29 | PATN | PANATHENA MARITIME INC. | | | SCAC3 |
| 30 | PATN | PATRIOT TRANSPORT INC | | | SCAC4 |
| 31 | PATO | PATTOM CORP | | | SCAC3 |
| 32 | PATP | PATRICK TRANSPORT CO INC | | | SCAC3 |
| 33 | PATQ | PARIS TRANSFER | | | SCAC3 |
| 34 | PATR | PATTERSON TRUCKING | | | SCAC4 |
| 35 | PATS | PAULS TRUCKING SERVICE INC | | | SCAC3 |
| 36 | PATT | PALMA TRUCKING | | | SCAC3 |
| 37 | PATT | PAUL TRANSPORTATION INC | | | SCAC4 |
| 38 | PATU | PACER STACKTRAIN | | | SCAC4 |
| 39 | PATV | PATS MOVING & STORAGE | | | SCAC3 |
| 40 | PATW | PATTERSON TRUCKING | | | SCAC3 |
| 41 | PATX | Pacific Tank Line | 7/1932-4/1938 | | NAKINA |
| 42 | PATX | Pacific Tank Line | Apr-38 | | NRHS |
| 43 | PATX | *PACIFIC TANK LINE | | | PWRC |
| 44 | PATX | *PATON CORPORATION | | | PWRC |
| 45 | PATX | PATON CORPORATION | | | SCAC4 |
| 46 | PATY | PANAMERICAN TANKERS INC. | | | SCAC3 |
| 47 | PATZ | Pacer Stacktrain | | | RSRV |
| 48 | PATZ | PACER STACKTRAIN | | | SCAC4 |
