| 1 | PTS | Points Of Call Airlines Ltd. | Callsign: Pointscall, | USA | AVCODES |
| 2 | PTS | Performance Transportacion, S.A. de C.V. | Callsign: Pentra, | MEX | AVCODES |
| 3 | PTS | Points of Call Airlines | | | ICAO1 |
| 4 | PTS | Polski Tabor Szynowy Sp. z o.o. | Polski Tabor Szynowy (former FPW Invest) was established in July 2011 as a part of the Industrial Development Agency Capital Group. | PL | TRAFFIC |
| 5 | PTSA | PTS SYSTEM | | | SCAC4 |
| 6 | PTSB | P T S | | | SCAC4 |
| 7 | PTSC | Port Terminal R.R. of South Carolina | added 7/1984; eliminated 1/1985 | | NAKINA |
| 8 | PTSC | Port Terminal R.R. of South Carolina | added 7/84; eliminated 1/85 | | NRHS |
| 9 | PTSC | RETIRED 07-03-91 ATP [PORT TERMINAL RAILROAD OF SOUTH CAROLINA] | | | PWRC |
| 10 | PTSC | PUTNAM TRANSFER & STORAGE CO | | | SCAC3 |
| 11 | PTSD | PRO TRANS LOGISTICS | | | SCAC4 |
| 12 | PTSE | PITTSVILLE SERVICES INC | | | SCAC4 |
| 13 | PTSF | PETERSON TRANSFER INC | | | SCAC3 |
| 14 | PTSG | PETTIT STORAGE & VAN CO | | | SCAC3 |
| 15 | PTSH | PLANT STAND, THE | | | SCAC4 |
| 16 | PTSI | PETERS TRUCKING SERVICE INC | | | SCAC3 |
| 17 | PTSI | PITTS TRANSPORTATION SERVICE INC | | | SCAC4 |
| 18 | PTSJ | PTS (POULTRY TRANSPORT SYSTEMS INC) | | | SCAC3 |
| 19 | PTSK | Przedsiębiorstwo Transportu Samochodowego S.A., Kraków | | PL | TRAFFIC |
| 20 | PTSL | PENNER INTERNATIONAL INC | | | SCAC3 |
| 21 | PTSL | PENNER INTERNATIONAL INC | | | SCAC4 |
| 22 | PTSM | PORT OF ST MARYS, | | | SCAC3 |
| 23 | PTSM | PETERSON MACHINE & SUPPLY INC | | | SCAC4 |
| 24 | PTSN | PETERSEN TRUCKING INC | | | SCAC4 |
| 25 | PTSO | PATTERSON, ROGER A | | | SCAC3 |
| 26 | PTSO | PEAK TRANSPORTATION SOLUTIONS INC | | | SCAC4 |
| 27 | PTSQ | PIHL TRANSFER & STORAGE | | | SCAC3 |
| 28 | PTSQ | PTS LOGISTICS INC | | | SCAC4 |
| 29 | PTSR | PRIORITY TRANSPORTATION SERVICES IN | | | SCAC3 |
| 30 | PTSS | POTTSVILLE STORAGE & TRANSFER CO | | | SCAC3 |
| 31 | PTSS | PRECISION TRANSPORT SERVICES INC | | | SCAC4 |
| 32 | PTST | POTTS TRUCKING COMPANY | | | SCAC3 |
| 33 | PTSU | PENTALVER TRANSPORT LIMITED | | GB | BIC |
| 34 | PTSU | Pacer International | | | RSRV |
| 35 | PTSU | PACER INTERNATIONAL INC | | | SCAC4 |
| 36 | PTSV | POTTSVILLE MOVING AND STORAGE CO IN | | | SCAC3 |
| 37 | PTSW | POST-TRON SYSTEMS CORPORATION | | | SCAC3 |
| 38 | PTSX | Petrosol International, Inc. | added 10/1985; 1/1994-7/2005 | | NAKINA |
| 39 | PTSX | Proleride Transport System, Inc. | added 7/1964; 7/1965-4/1970; eliminated 10/1972 | | NAKINA |
| 40 | PTSX | Keith Railway Equipment Co. | 1/1952; eliminated 10/1953 | | NAKINA |
| 41 | PTSX | Painter Transportation Service | 4/1947-1/1950 | | NAKINA |
| 42 | PTSX | Keith Railway Equipment Co. | 1/52; eliminated 10/53 | | NRHS |
| 43 | PTSX | Proleride Transport System, Inc. | added 7/64; 7/65-4/70; eliminated 10/72 | | NRHS |
| 44 | PTSX | Petrosol International, Inc. | 1/94-7/2000 | | NRHS |
| 45 | PTSX | *KEITH RAILWAY EQUIPMENT CO. [PAINTER TRANSPORTATION SERVICE] | | | PWRC |
| 46 | PTSX | *PROLERIDE TRANSPORT SYSTEM, INC. | | | PWRC |
| 47 | PTSX | +PETROSOL INTERNATIONAL, INC. | | | PWRC |
| 48 | PTSX | Petrosol International | | | RSRV |
| 49 | PTSX | PROLERIDE TRANSPORT SYSTEM INC | | | SCAC3 |
| 50 | PTSX | PETROSOL INTERNATIONAL INC | | | SCAC4 |
| 51 | PTSY | PRICE TRANSPORTATION SYSTEM INC, TH | | | SCAC3 |
| 52 | PTSY | POWERTRAIN SYSTEMS | | | SCAC4 |
