| 1 | PLOC | PALOUSE COUNTRY TRUCKING | | | SCAC3 |
| 2 | PLOC | PALOUSE COUNTRY TRUCKING | | | SCAC4 |
| 3 | PLOCK | Komunikacja Miejska Płock | | PL | TRAFFIC |
| 4 | PLOD | PATRIOT LOGISTICS | | | SCAC4 |
| 5 | PLOE | PLOETZ TRANSPORTATION INC | | | SCAC3 |
| 6 | PLOE | PLOEN TRUCKING INC | | | SCAC4 |
| 7 | PLOF | PLOOF TRUCK LINES INC | | | SCAC3 |
| 8 | PLOF | PANAMERICAN LOGISTICS | | | SCAC4 |
| 9 | PLOG | POINT DEDICATED SERVICES | | | SCAC4 |
| 10 | PLOI | Regia Autonoma de Transport Ploiesti | | RO | TRAFFIC |
| 11 | PLOK | POLLOCK & CO | | | SCAC3 |
| 12 | PLOK | PTYD LOGISTICS | | | SCAC4 |
| 13 | PLOK | Pro-Lok GmbH | | D | TRAFFIC |
| 14 | PLOK | Pro-Lok GmbH | | AT | VKM |
| 15 | PLOM | PALLETT OIL COMPANY | | | SCAC4 |
| 16 | PLON | POLO TRUCKING INC | | | SCAC4 |
| 17 | PLOQ | PILOT VAN LINES, INC | | | SCAC3 |
| 18 | PLOQ | PILOT VAN LINES INC | | | SCAC4 |
| 19 | PLOR | PLUS ONE TRANSPORT | | | SCAC4 |
| 20 | PLOS | PREMIERE LIMOUSINE SERVICE | | | SCAC3 |
| 21 | PLOT | PLOTE CONSTRUCTION INC | | | SCAC4 |
| 22 | PLOU | POLYOL CHEMICAL | | | SCAC3 |
| 23 | PLOW | PLOWMAN, ROBERT TRUCKING | | | SCAC3 |
| 24 | PLOW | P & | | | SCAC4 |
