| 1501 | PCIX | Airco Industrial Gases, a Division of Air Reduction Co., Inc. | added 4/1967; eliminated 1/1972 | | NAKINA |
| 1502 | PCIX | Pure Carbonic Co., a Division of Air Reduction Co., Inc. (Shippers' Car Line Division of ACF Industries, Inc.) | 10/1966; eliminated 4/1967 | | NAKINA |
| 1503 | PCIX | Shippers Car Line Division of ACF Industries, Inc. | 10/1957-7/1965 | | NAKINA |
| 1504 | PCIX | Shippers Car Line Corp. | 1/1946-7/1954 | | NAKINA |
| 1505 | PCIX | Shippers Car Line Corp. | Jan-52 | | NRHS |
| 1506 | PCIX | Shippers Car Line Division of ACF Industries, Inc. | 10/57-7/65 | | NRHS |
| 1507 | PCIX | Pure Carbonic Co., a Division of Air Reduction Co., Inc. (Shippers' Car Line Division of ACF Industries, Inc.) | 10/66; eliminated 4/67 | | NRHS |
| 1508 | PCIX | Airco Industrial Gases, a Division of Air Reduction Co., Inc. | added 4/67; eliminated 1/72 | | NRHS |
| 1509 | PCIX | Airco Industrial Gases, a Division of Airco., Inc. | added 1/72 | | NRHS |
| 1510 | PCIX | Shippers Car Line Division of ACF Industries, Inc. | Apr-70 | | NRHS |
| 1511 | PCIX | Airco Industrial Gases, a Division of Airco, Inc. | eliminated 4/73 | | NRHS |
| 1512 | PCIX | Shippers Car Line Division of ACF Industries, Inc. | 1/75-1/80; eliminated 4/88 | | NRHS |
| 1513 | PCIX | ACF Industries, Inc. | added 4/88; 1/94-7/2000 | | NRHS |
| 1514 | PCIX | *ACF INDUSTRIES, INC. [AIRCO INDUSTRIAL GASSES; SHIPPERS CAR LINE; PURE CARBONIC CO.] | | | PWRC |
| 1515 | PCIX | *PLAN CITY INDUSTRIAL PARK | | | PWRC |
| 1516 | PCIX | +AMERICAN RAILCAR LEASING LLC | | | PWRC |
| 1517 | PCIX | ACF Industries Shippers Car Line Division | | | RSRV |
| 1518 | PCIX | PURE CARBONIC CO | | | SCAC3 |
| 1519 | PCIX | AMERICAN RAILCAR LEASING LLC | | | SCAC4 |
| 1520 | PCJ | Pacific Jet, Inc. | Callsign: Pacific Jet, | USA | AVCODES |
| 1521 | PCJ | Pacific Jet | | | ICAO1 |
| 1522 | PCJC | PENA CANTU, JUAN CARLOS | | | SCAC4 |
| 1523 | PCJL | PENA CAMPOY, JOSE LUIS | | | SCAC4 |
| 1524 | PCJU | PUMA CONTAINERS (JERSEY) LTD. | | | PWRC |
| 1525 | PCJU | Puma Containers | | | RSRV |
| 1526 | PCJU | PUMA CONTAINERS (JERSEY) LIMITED | | | SCAC3 |
| 1527 | PCJX | PENINSULA CORRIDOR JOINT POWERS BOARD | | | PWRC |
| 1528 | PCK | Peacock H.E. And Son (Thorney) Ltd. | Callsign: Peacock, | GB | AVCODES |
| 1529 | PCK | Air Pack Express | | | ICAO1 |
| 1530 | PCKA | PACER STACKTRAIN INC | | | SCAC4 |
| 1531 | PCKC | P C TRUCKING CO | | | SCAC3 |
| 1532 | PCKC | PACK & SHIP | | | SCAC4 |
| 1533 | PCKE | PACKAGE EXPRESS SERVICES LTD | | | SCAC3 |
| 1534 | PCKH | PECK, THOMAS J & SONS INC | | | SCAC3 |
| 1535 | PCKH | PECKHAM MATERIALS CORP | | | SCAC4 |
| 1536 | PCKK | PASCHKE TRUCKING INC | | | SCAC4 |
| 1537 | PCKL | PIC TRUCKING & LEASING CORP | | | SCAC3 |
| 1538 | PCKO | PRO-CEL-TEK INC | | | SCAC4 |
| 1539 | PCKQ | PASCHALL TRUCK LINES INC | | | SCAC4 |
| 1540 | PCKR | PACKER TRANSPORTATION CO | | | SCAC3 |
| 1541 | PCKS | PACK & SHIP | | | SCAC3 |
| 1542 | PCKT | PAY CHECK TRUCKING INC | | | SCAC3 |
| 1543 | PCKT | PITSTICK TRUCKING INC | | | SCAC4 |
| 1544 | PCKW | P C K WAREHOUSING CO INC | | | SCAC3 |
| 1545 | PCKW | PEACE TANKERS S R L | | | SCAC4 |
| 1546 | PCL | Pacific Airlines Chile, S.A. | Callsign: Pacific Chile, | RCH | AVCODES |
| 1547 | PCL | Pinnacle Air Group | | | ICAO1 |
| 1548 | PCL | PIEDMONT COACH LINES INC | | | SCAC4 |
| 1549 | PCLA | PACELLA TRUCKING EXPRESS | | | SCAC3 |
| 1550 | PCLA | PACELLA TRUCKING EXPRESS | | | SCAC4 |
| 1551 | PCLB | PROFESSIONAL COMPONENTS LTD | | | SCAC4 |
| 1552 | PCLC | PACESETTER COACH LINES OF COLORADO | | | SCAC3 |
| 1553 | PCLD | PORTULANCA CO LTD. | | | SCAC3 |
| 1554 | PCLE | PRESTIGE COACH LINE INC | | | SCAC3 |
| 1555 | PCLE | PACLINE CONVEYORS | | | SCAC4 |
| 1556 | PCLF | POLICELLA FARMS LTD | | | SCAC4 |
| 1557 | PCLH | PLATINUM CARGO LOGISTICS INC | | | SCAC4 |
| 1558 | PCLI | PACIFIC COAST TRUCK LINES INC | | | SCAC3 |
| 1559 | PCLI | PENTA CO LTD | | | SCAC4 |
| 1560 | PCLK | PROFIT CHEER LINE | | | SCAC4 |
| 1561 | PCLL | PACIFIC LLOYD LINE | | | SCAC4 |
| 1562 | PCLM | PRICE LIMOUSINE II INC | | | SCAC3 |
| 1563 | PCLO | PACCILLO TOURS | | | SCAC3 |
| 1564 | PCLP | PARCEL PRO | | | SCAC3 |
| 1565 | PCLP | PCL (SHIPPING) PTE LTD | | | SCAC4 |
| 1566 | PCLQ | PROCUREMENT & LOGISTIC SERVICES INC | | | SCAC4 |
| 1567 | PCLR | P C L TRANSPORT LTD | | | SCAC4 |
| 1568 | PCLS | PROFESSIONAL CADILLAC LIMOUSINE SER | | | SCAC3 |
| 1569 | PCLT | P C L TRANSPORT LLC | | | SCAC4 |
| 1570 | PCLU | PAN CONTINENTAL SHIPPING CO LTD | | ROK | BIC |
| 1571 | PCLU | MARITIME CONTAINER LINES, LTD. | | | PWRC |
| 1572 | PCLU | Maritime Container Lines Limited | | | RSRV |
| 1573 | PCLU | PACIFIC CONTAINER LINE | | | SCAC3 |
| 1574 | PCLU | PAN CONTINENTAL SHIPPING CO LTD | | | SCAC4 |
| 1575 | PCLV | PACIFIC CASCADE LOGISTICS LLC | | | SCAC4 |
| 1576 | PCLW | PACC CONTAINER LINE PTE LTD | | | SCAC4 |
| 1577 | PCLX | Polymer Corp. Ltd. | 1/1946-10/1966; eliminated 7/1968 | | NAKINA |
| 1578 | PCLX | Philadelphia Car Line Corp. | 7/1930 | | NAKINA |
| 1579 | PCLX | Polymer Corp. Ltd. | 1/52-10/66; eliminated 7/68 | | NRHS |
| 1580 | PCLX | *PHILADELPHIA CAR LINE CORP. | | | PWRC |
| 1581 | PCLX | *POLYMER CORP. LTD. | | | PWRC |
| 1582 | PCLX | POLYMER CORP LTD | | | SCAC3 |
| 1583 | PCLX | PANTHERA LEASING INC | | | SCAC4 |
| 1584 | PCLZ | PLUM CREEK LUMBER | | | PWRC |
| 1585 | PCM | Westair Industries, Inc. | Callsign: Pac Valley, | USA | AVCODES |
| 1586 | PCM | Westair Industries | | | ICAO1 |
| 1587 | PCM | Petrochem Aussenhandels GmbH | | DE | VKM |
| 1588 | PCMA | PIZANA CABRERA, NORMA ALICIA | | | SCAC4 |
| 1589 | PCMB | PROLENC MANUFACTURING INC | | | SCAC4 |
| 1590 | PCMC | PM AG PRODUCTS INCORPORATED | | | SCAC3 |
| 1591 | PCMC | PACIFIC MOVERS INC | | | SCAC4 |
| 1592 | PCMD | P C M DELIVERY SERVICE | | | SCAC3 |
| 1593 | PCME | PRECISE COURIER & MESSENGER INC | | | SCAC4 |
| 1594 | PCMG | PORT CITY MOVING & STORAGE INC | | | SCAC3 |
| 1595 | PCMG | P C MESSENGER SERVICE | | | SCAC4 |
| 1596 | PCMI | PACIFIC MIDWEST INC | | | SCAC3 |
| 1597 | PCMK | PACEMAKERS LTD INC | | | SCAC3 |
| 1598 | PCMK | PEACE, TOM TRUCKING CO | | | SCAC4 |
| 1599 | PCML | PACIFIC COMMERCE LINE VANCOUVER CAN | | | SCAC3 |
| 1600 | PCML | PACIFIC COMMERCE LINE VANCOUVER CAN | | | SCAC4 |
