| 9301 | PTC | Patria Cargas Aereas, S.A. | Callsign: Patria, | USA | AVCODES |
| 9302 | PTC | Pilot Training College | Callsign: Mentor, | IRL | AVCODES |
| 9303 | PTC | Patria Cargas Aereas | | | ICAO1 |
| 9304 | PTC | Plainview Terminal Co. | added 1/1996; eliminated 4/1997; 7/2000-7/2005 | | NAKINA |
| 9305 | PTC | Peoria Terminal Co. | 1/1975-1/1980 | | NAKINA |
| 9306 | PTC | Peoria Terminal Co. | 1/75-1/80 | | NRHS |
| 9307 | PTC | Plainview Terminal Co. | added 1/96; eliminated 4/97; 7/2000 | | NRHS |
| 9308 | PTC | PLAINVIEW TERMINAL COMPANY (CODE FORMERLY USED BY PEORIA TERMINAL) | | | PWRC |
| 9309 | PTC | Plainview Terminal | | | RSRV |
| 9310 | PTC | PLAINVIEW TERMINAL COMPANY | | | SCAC4 |
| 9311 | PTC | Philadelphia Transportation Co. | | USA | TRAFFIC |
| 9312 | PTCA | PATTEE, CLARE INC | | | SCAC3 |
| 9313 | PTCA | PTC AIR FREIGHT INC | | | SCAC4 |
| 9314 | PTCB | PURPOSE TRANSPORTATION CORP | | | SCAC4 |
| 9315 | PTCC | PITTMAN CONSTRUCTION COMPANY | | | SCAC4 |
| 9316 | PTCE | PETRO CARRIERS INC | | | SCAC4 |
| 9317 | PTCG | PETERSON CARTAGE CO | | | SCAC3 |
| 9318 | PTCI | PINE TIMBER CO INC | | | SCAC3 |
| 9319 | PTCJ | PRIORITY ONE TRANSPORT CORP | | | SCAC3 |
| 9320 | PTCJ | PRITCHARD, CAROL J | | | SCAC4 |
| 9321 | PTCL | PORT CITY LEASING | | | SCAC3 |
| 9322 | PTCM | PRO-TECH ELECTRONIC MOVERS | | | SCAC3 |
| 9323 | PTCM | PRINTERY COMMUNICATIONS INC | | | SCAC4 |
| 9324 | PTCN | PRODUCT TRANSPORT CORPORATION | | | SCAC3 |
| 9325 | PTCO | PURE TRANSPORTATION COMPANY | | | SCAC3 |
| 9326 | PTCP | POLANC TRUCKING INC | | | SCAC4 |
| 9327 | PTCQ | PERIMETER TRANSPORTATION CO INC | | | SCAC4 |
| 9328 | PTCS | PETROLEUM CARRIERS INC | | | SCAC4 |
| 9329 | PTCT | PARTCO TRUCKING CO INC | | | SCAC3 |
| 9330 | PTCU | MAMMOET EUROPE BV | | NL | BIC |
| 9331 | PTCU | MAMMOET EUROPE BV | | | SCAC4 |
| 9332 | PTCV | PORT CANAVERAL TOWING INC | | | SCAC3 |
| 9333 | PTCW | PORT CITY COMMERCIAL WAREHOUSE | | | SCAC3 |
| 9334 | PTCX | Texas Petrochemicals Corp. | added 1/1985; added 10/1986 | | NAKINA |
| 9335 | PTCX | Petro-Tex Chemical Corp. | added 1/1975; 1/1975-1/1980; eliminated 1/1985 | | NAKINA |
| 9336 | PTCX | Peoples Transportation Co. | added 1/1964; 7/1965; eliminated 7/1966 | | NAKINA |
| 9337 | PTCX | Poultry Transit Co., Inc. | 1/1950 | | NAKINA |
| 9338 | PTCX | Poultry Transit Co. | 1/1945-4/1947 | | NAKINA |
| 9339 | PTCX | Peoples Transportation Co. | 7/65; eliminated 7/66 | | NRHS |
| 9340 | PTCX | Petro-Tex Chemical Corp. | added 1/75; 1/75-1/80; eliminated 1/85 | | NRHS |
| 9341 | PTCX | Texas Petrochemicals Corp. | added 1/85; added 10/86 | | NRHS |
| 9342 | PTCX | *POULTRY TRANSIT CO., INC. | | | PWRC |
| 9343 | PTCX | *PEOPLES TRANSPORTATION CO. | | | PWRC |
| 9344 | PTCX | *TEXAS PETROCHEMICALS CORP. [PETRO-TEX CHEMICAL CORP.] | | | PWRC |
| 9345 | PTCX | PEOPLES TRANSPORTATION CO | | | SCAC3 |
| 9346 | PTCY | PRITCHETT TRUCKING COMPANY INC | | | SCAC3 |
| 9347 | PTCY | PATRON | | | SCAC4 |
| 9348 | PTCZ | PORT CONTINENTAL | | | PWRC |
| 9349 | PTD | Aero Servicio Tipy, S.A. de C.V. | Callsign: Pity, | MEX | AVCODES |
| 9350 | PTD | Aero Servicio Pity | | | ICAO1 |
| 9351 | PTDA | PEARCE TRUCK & AUTO | | | SCAC3 |
| 9352 | PTDB | PALM TRANSPORTATION & DISTRIBUTION | | | SCAC3 |
| 9353 | PTDB | PATTERSON, D B | | | SCAC4 |
| 9354 | PTDC | PROTECTED CARTAGE INC | | | SCAC3 |
| 9355 | PTDD | P T STANDARD PARTS CO | | | SCAC3 |
| 9356 | PTDE | PETERSON, DAVID I INC | | | SCAC4 |
| 9357 | PTDF | P T RAILROAD SERVICES LTD | | | SCAC4 |
| 9358 | PTDG | PANAMMONIA TRADING S A OF GAMPRIN | | | SCAC3 |
| 9359 | PTDH | PHELPS TRAILER DISTRIBUTION & HOT S | | | SCAC4 |
| 9360 | PTDI | PARTS DELIVERY SERVICE INC | | | SCAC3 |
| 9361 | PTDI | PETROLEUM DISTRIBUTORS INC | | | SCAC4 |
| 9362 | PTDK | PRIVATEER TRANSPORT LLC | | | SCAC4 |
| 9363 | PTDL | PETROLEOS DEL NORTE S A (PETRONOR) | | | SCAC3 |
| 9364 | PTDL | PRIDE TRUCK DELIVERY LTD | | | SCAC4 |
| 9365 | PTDM | PETROLEOS DEL MEDITERRANEO SA SPAIN | | | SCAC3 |
| 9366 | PTDM | PUERTAS Y TALLADOS DE MEXICO SA DE | | | SCAC4 |
| 9367 | PTDP | PT STANDARD PARTS CO | | | SCAC3 |
| 9368 | PTDQ | P AND T PICKUP AND DELIVERY | | | SCAC3 |
| 9369 | PTDR | PORTERS DIESEL SERVICE | | | SCAC3 |
| 9370 | PTDR | PORTEADORES DE BAGDAD SA DE CV | | | SCAC4 |
| 9371 | PTDS | PORT DISPATCH SERVICES INC | | | SCAC3 |
| 9372 | PTDS | PORT DISPATCH SERVICES INC | | | SCAC4 |
| 9373 | PTDT | PINE TREE DISTRIBUTORS INC | | | SCAC3 |
| 9374 | PTDU | P.T. DJAKARTA LLOYD | | | SCAC3 |
| 9375 | PTDU | P T DJAKARTA LLOYD | | | SCAC4 |
| 9376 | PTDV | PRO TRUCKING & DELIVERY SERVICE | | | SCAC3 |
| 9377 | PTDW | POTTER, DELBERT W | | | SCAC3 |
| 9378 | PTDX | ABB Power T&D Co., Inc. | added 10/1990; 1/1994; eliminated 1/1999; 7/2000-7/2005 (not listed) | | NAKINA |
| 9379 | PTDX | ABB Power T&D Co., Inc. | added 10/90; 1/94; eliminated 1/99; 7/2000 | | NRHS |
| 9380 | PTDX | ABB POWER T & D COMPANY, INC. | | | PWRC |
| 9381 | PTDX | ABB Power T and D | | | RSRV |
| 9382 | PTDX | ABB POWER T & D | | | SCAC4 |
| 9383 | PTE | Aero Copter, S.A. de C.V. | Callsign: Aero-cop, | MEX | AVCODES |
| 9384 | PTE | Aero Copter | | | ICAO1 |
| 9385 | PTEA | PORT EAST TRANSFER INC | | | SCAC3 |
| 9386 | PTEB | PATERAS BROTHERS, LTD CORP. | | | SCAC3 |
| 9387 | PTEC | PITREXPRESS INC | | | SCAC4 |
| 9388 | PTED | PALM TREES-N-PARADISE | | | SCAC3 |
| 9389 | PTEE | PATEE, CLARE TRUCKING INC | | | SCAC3 |
| 9390 | PTEE | PORTEO EXPRESS | | | SCAC4 |
| 9391 | PTEF | PETERSON FARMS | | | SCAC3 |
| 9392 | PTEF | PREMIER TRANSPORTATION LLC | | | SCAC4 |
| 9393 | PTEH | PETRO EXPRESS INC | | | SCAC3 |
| 9394 | PTEI | PITT EXPRESS SYSTEMS INC | | | SCAC3 |
| 9395 | PTEJ | PJF TRANSPORT INC | | | SCAC4 |
| 9396 | PTEK | PETES TRUCKING | | | SCAC3 |
| 9397 | PTEK | PRO TECH GROUP INC | | | SCAC4 |
| 9398 | PTEM | PETROLEUM TRANSPORTATION INC | | | SCAC3 |
| 9399 | PTEN | PETROLEUM TRANSPORT ENTERPRISES LTD | | | SCAC3 |
| 9400 | PTEN | POTENZA ENTERPRIZES INC | | | SCAC4 |
