| 1 | PLT | South Carolina Aeronautics Commission | Callsign: Palmetto, | USA | AVCODES |
| 2 | PLT | South Carolina Aeronautics Commission | | | ICAO1 |
| 3 | PLTA | PLANT SERVICE CORPORATION | | | SCAC4 |
| 4 | PLTB | PETROL TRANSPORT INC | | | SCAC3 |
| 5 | PLTB | PETROL TRANSPORT INC | | | SCAC4 |
| 6 | PLTC | P & L TRANSPORTATION CO, INC | | | SCAC3 |
| 7 | PLTD | P L T TRUCKING | | | SCAC3 |
| 8 | PLTE | PLATTE PIPE LINE COMPANY | | | SCAC3 |
| 9 | PLTE | PLATINUM EXPRESS INC | | | SCAC4 |
| 10 | PLTF | PICHARD, LINDA TRUCKING LLC | | | SCAC4 |
| 11 | PLTG | PLATTS GARAGE INC | | | SCAC3 |
| 12 | PLTG | P L T TRUCKING | | | SCAC4 |
| 13 | PLTH | PRO LINE TRANSPORTATION CO | | | SCAC4 |
| 14 | PLTI | PARNESS, LEONARD TRUCKING CORP | | | SCAC3 |
| 15 | PLTJ | PELLICAN TRANS CO INC | | | SCAC3 |
| 16 | PLTJ | POULTEX INC | | | SCAC4 |
| 17 | PLTL | PLANT TRUCK LINE, INC | | | SCAC3 |
| 18 | PLTM | PLEASANTON TRUCKING INC | | | SCAC3 |
| 19 | PLTN | PELTON BROS TRANSPORT LIMITED | | | SCAC3 |
| 20 | PLTO | P L TRUCKING CO | | | SCAC3 |
| 21 | PLTO | POLTOM TRANSPORT | | | SCAC4 |
| 22 | PLTP | POLAR TRANSPORT INC | | | SCAC3 |
| 23 | PLTQ | PLATTE VALLEY FREIGHTWAYS INC | | | SCAC3 |
| 24 | PLTR | PLATTSMOUTH TRANSFER | | | SCAC3 |
| 25 | PLTS | PALANTIC STEAMSHIP CO INC | | | SCAC3 |
| 26 | PLTS | PALLET SERVICES INC | | | SCAC4 |
| 27 | PLTT | PLANTATION TRANSPORT COMPANY | | | SCAC3 |
| 28 | PLTT | PLETT TRUCKING LTD | | | SCAC4 |
| 29 | PLTU | PANEUROPA TRANSPORT GMBH | | D | BIC |
| 30 | PLTU | TRANSTORE LTD | | | SCAC3 |
| 31 | PLTV | PAUL TRUCKING, Amar Transportation, INC | | | SCAC3 |
| 32 | PLTW | PRICE, LOUIS TRUCKING | | | SCAC3 |
| 33 | PLTW | PLENTYWOOD ELECTRIC | | | SCAC4 |
| 34 | PLTX | Clearwater Paper Corp. | added 4/2009 | | NAKINA |
| 35 | PLTX | Potlatch Forest Products Corp. | added 7/2006; eliminated 4/2009 | | NAKINA |
| 36 | PLTX | Potlatch Corp. | 7/2005 (not listed) | | NAKINA |
| 37 | PLTX | POTLACH FOREST PRODUCTS CORP. | | | PWRC |
| 38 | PLTX | POTLATCH FOREST PRODUCTS CORP | | | SCAC4 |
