| 1 | PKT | Pektron Limited | Callsign: Pektron, | GB | AVCODES |
| 2 | PKTA | PATTERSON, KEVIN TRANSPORT INC | | | SCAC4 |
| 3 | PKTAR | PKS Tarnöw | | PL | TRAFFIC |
| 4 | PKTBZ | PKS Tarnobrzeg | | PL | TRAFFIC |
| 5 | PKTC | PACKER TRUCKING | | | SCAC3 |
| 6 | PKTD | PARKER, DONALD F TRUCKING | | | SCAC3 |
| 7 | PKTD | POCKET TRIP LTD | | | SCAC4 |
| 8 | PKTE | PACK TRUCKING | | | SCAC4 |
| 9 | PKTF | PICKREL TRUCKING | | | SCAC3 |
| 10 | PKTF | PARKISON TRUCK FIRM | | | SCAC4 |
| 11 | PKTG | Przedsiêbiorstwo Komunikacji Trolejbusowej Gdynia | | PL | TRAFFIC |
| 12 | PKTGDY | Przedsiębiorstwo Komunikacji Trolejbusowej Sp. z o.o. w Gdyni | | PL | TRAFFIC |
| 13 | PKTH | P & K TRANSFER INC | | | SCAC3 |
| 14 | PKTH | PARK TRANSPORT INC | | | SCAC4 |
| 15 | PKTI | PEAK TRUCKING INC | | | SCAC3 |
| 16 | PKTI | PACK-TRAIN INC | | | SCAC4 |
| 17 | PKTJ | PERKINS TRUCKING | | | SCAC3 |
| 18 | PKTJ | PRITCHARD, KEN TRUCKING | | | SCAC4 |
| 19 | PKTK | PERKINS TRUCKING (ROY DEAN PERKINS | | | SCAC3 |
| 20 | PKTK | PIKES TRUCKING LTD | | | SCAC4 |
| 21 | PKTL | PARKER TRUCK LINE INC | | | SCAC3 |
| 22 | PKTL | POTOCKI TRANSPORT LLC | | | SCAC4 |
| 23 | PKTN | P & K TRANSPORT CO | | | SCAC3 |
| 24 | PKTO | PACK TRANSPORT | | | SCAC3 |
| 25 | PKTOR | PKS Torun | | PL | TRAFFIC |
| 26 | PKTP | PINKEYS TRANSPORTATION INC | | | SCAC3 |
| 27 | PKTQ | PEAK TRANSPORTATION INC | | | SCAC3 |
| 28 | PKTQ | P & K TRUCKING LLC | | | SCAC4 |
| 29 | PKTR | POLLOCK TRANSPORT SERVICE INC | | | SCAC4 |
| 30 | PKTS | POLLOCK TRANSPORT SERVICE INC | | | SCAC3 |
| 31 | PKTS | PARKS TRANSPORTATION SYSTEMS INC | | | SCAC4 |
| 32 | PKTT | PEAK TRUCKING | | | SCAC3 |
| 33 | PKTV | PARKER TRANSPORT | | | SCAC3 |
| 34 | PKTW | PARKER TOWING COMPANY INC | | | SCAC3 |
| 35 | PKTW | POTATO KING TRANSPORTATION INC | | | SCAC4 |
| 36 | PKTX | Citizens Gas & Coke Utility | added 4/2004; 7/2005 | | NAKINA |
| 37 | PKTX | CITIZENS GAS & COKE UTILITY | | | PWRC |
| 38 | PKTX | CITIZENS GAS & COKE UTILITY | | | SCAC4 |
| 39 | PKTY | PELKEY, K TRUCKING | | | SCAC4 |
