| 1 | PCN | Princeton Aviation Corporation | Callsign: Princeton, | USA | AVCODES |
| 2 | PCN | Princeton Aviation Corporation | | | ICAO1 |
| 3 | PCN | Point Comfort & Northern Ry. Co. | 1/1975-1/1980; added 4/1980; 1/1994-7/2005 | | NAKINA |
| 4 | PCN | Point Comfort & Northern Ry. Co. | 1/75-1/80; added 4/80; 1/94-7/2000 | | NRHS |
| 5 | PCN | POINT COMFORT & NORTHERN RAILWAY CO. | | | PWRC |
| 6 | PCN | Point Comfort and Northern Railway | | | RSRV |
| 7 | PCNA | PRINCESS NAVIGATION LTD MONROVIA LI | | | SCAC3 |
| 8 | PCNA | PACT TRANSPORT LLC | | | SCAC4 |
| 9 | PCNC | PACIFIC TRANSPORTATION SERVICES INC | | | SCAC4 |
| 10 | PCND | PACIFIC CONCORD INTERNATIONAL CORP. | | | SCAC3 |
| 11 | PCND | PACIFIC CONCORD INTERNATIONAL LIMIT | | | SCAC4 |
| 12 | PCNF | PECAN INTERNATIONAL FORWARDERS INC | | | SCAC3 |
| 13 | PCNI | PORT CONTAINER INDUSTRIES INC | | | SCAC3 |
| 14 | PCNM | PRECISION COMPONENTS INC | | | SCAC4 |
| 15 | PCNN | PRECISION TRUCK LINES INC | | | SCAC4 |
| 16 | PCNP | PACK CRATE N SHIP | | | SCAC3 |
| 17 | PCNR | PRECISION CONTAINER SHIPPING LINE | | | SCAC3 |
| 18 | PCNS | PERRY, C A & SON TRANSIT INC | | | SCAC3 |
| 19 | PCNS | PERRY, C A & SON TRANSIT INC | | | SCAC4 |
| 20 | PCNT | PACON TRANSPORTATION | | | SCAC3 |
| 21 | PCNT | PACIFIC NINE (9) TRANSPORTATION INC | | | SCAC4 |
| 22 | PCNU | PADOS COMPANIA NAVIERA | | | SCAC3 |
| 23 | PCNV | PACNAV S A | | | SCAC3 |
| 24 | PCNV | PACNAV S A | | | SCAC4 |
| 25 | PCNW | PACIFIC CARTAGE&WAREHOUSING, INC | | | SCAC3 |
| 26 | PCNZ | Flexi-Van Leasing | | | RSRV |
