| 1 | PNS | Survey Udara Penas, PT. | Callsign: Penas, Name changed from Survey Udara (Penas) PT. | RI | AVCODES |
| 2 | PNS | Survey Udara (Penas) PT. | Callsign: Penas, Name changed to Survey Udara Penas, PT. | RI | AVCODES |
| 3 | PNS | Survey Udara (Penas) | | | ICAO1 |
| 4 | PNS | Philadelphia & Norfolk Steamship | 1/1975-7/2005 | | NAKINA |
| 5 | PNS | Philadelphia & Norfolk Steamship | 1/75-7/2000 | | NRHS |
| 6 | PNS | PHILADELPHIA & NORFOLK STEAMSHIP | | | PWRC |
| 7 | PNS | Philadelphia and Norfolk Steamship | | | RSRV |
| 8 | PNSA | PENINSULAR CO | | | SCAC3 |
| 9 | PNSA | PENINSULAR CO | | | SCAC4 |
| 10 | PNSA | PKS Novy Sacz | | PL | TRAFFIC |
| 11 | PNSC | PAKISTAN NATIONAL SHIPPING | | | SCAC3 |
| 12 | PNSC | PNS CO-OP ASSOCIATION INC | | | SCAC4 |
| 13 | PNSD | PRYOR & SON DELIVERY CO | | | SCAC3 |
| 14 | PNSE | PACIFIC NORTHWEST SERVICES | | | SCAC3 |
| 15 | PNSE | PROPANE SALES INC | | | SCAC4 |
| 16 | PNSG | PARNAR SHIPPING CORP LONDON UK | | | SCAC3 |
| 17 | PNSG | PANTOS LOGISTICS INC | | | SCAC4 |
| 18 | PNSH | PANSHINE INC. | | | SCAC3 |
| 19 | PNSI | PARENTI & SONS INC | | | SCAC3 |
| 20 | PNSI | PACIFIC NORTHWEST SHELLFISH CO LTD | | | SCAC4 |
| 21 | PNSK | P & S TRUCKING CO | | | SCAC3 |
| 22 | PNSL | PENN, STANLEY & SONS INC | | | SCAC4 |
| 23 | PNSN | PAUL & SONS | | | SCAC3 |
| 24 | PNSN | PENISTON TRANSPORTATION | | | SCAC4 |
| 25 | PNSO | PETERSEN & SONS | | | SCAC3 |
| 26 | PNSO | PANASONIC | | | SCAC4 |
| 27 | PNSOL | PKS Nowa Sól | | PL | TRAFFIC |
| 28 | PNSP | PEGASUS LATCO TRANSPORT | | | SCAC4 |
| 29 | PNSQ | PENINSULA TRANSFER INC | | | SCAC3 |
| 30 | PNSR | PENINSULAR MEAT CO INC | | | SCAC3 |
| 31 | PNSR | PLOURDE, NORMAND & SONS INC | | | SCAC4 |
| 32 | PNSS | PRINCESS CRUISES | | | SCAC3 |
| 33 | PNSS | PRINCESS CRUISES | | | SCAC4 |
| 34 | PNST | PARKER & SON TRUCKING, INC | | | SCAC3 |
| 35 | PNST | PANGAEA NATURAL STONE INC | | | SCAC4 |
| 36 | PNSU | PANASYSTEM HANDELS GMBH | | A | BIC |
| 37 | PNSU | PAKISTAN NATIONAL SHIPPING CORP. | | | SCAC3 |
| 38 | PNSU | PAKISTAN NATIONAL SHIPPING CORP. | | | SCAC4 |
| 39 | PNSW | PAKISTAN NATIONAL SHIPPING CORPORAT | | | SCAC4 |
| 40 | PNSX | Chem-Nuclear Systems, LLC | 7/2000 (not listed) | | NAKINA |
| 41 | PNSX | VECTRA Technologies, Inc. | added 4/1995; eliminated 4/1998 | | NAKINA |
| 42 | PNSX | Pacific Nuclear Systems, Inc. | added 1/1988; 1/1994; eliminated 4/1995 | | NAKINA |
| 43 | PNSX | Pacific Nuclear Systems, Inc. | added 1/88; 1/94; eliminated 4/95 | | NRHS |
| 44 | PNSX | VECTRA Technologies, Inc. | added 4/95; eliminated 4/98 | | NRHS |
| 45 | PNSX | Chem-Nuclear Systems, LLC | Jul-00 | | NRHS |
| 46 | PNSX | *VECTRA TECHNOLOGIES [PACIFIC NUCLEAR SYSTEMS, INC.] | | | PWRC |
| 47 | PNSX | *CHEM-NUCLEAR SYSTEMS L.L.C. | | | PWRC |
| 48 | PNSX | Chem-Nuclear Systems | | | RSRV |
| 49 | PNSY | PANSY SHIPPING LIMITED | | | SCAC3 |
