| 1 | PNG | Puerto Rico Air National Guard | | PRI | AVCODES |
| 2 | PNG | Puerto Rico National Guard | | | ICAO1 |
| 3 | PNGA | PENNINGTON, ANTHONY | | | SCAC3 |
| 4 | PNGA | POWERFUL NAVIGATION SA PANAMA | | | SCAC4 |
| 5 | PNGC | P & G TRUCKING COMPANY | | | SCAC3 |
| 6 | PNGD | PATTERSON GRAIN LTD | | | SCAC4 |
| 7 | PNGE | PENGUIN EXPRESS LTD | | | SCAC3 |
| 8 | PNGH | PENG HU SHIPPING COMPANY LTD | | | SCAC3 |
| 9 | PNGK | PINE RIDGE TRUCKING LLC | | | SCAC4 |
| 10 | PNGN | PENGUIN TRUCKING | | | SCAC3 |
| 11 | PNGO | PENAGOS TRUCKING | | | SCAC3 |
| 12 | PNGR | PENGRANDY COMPANY S A | | | SCAC3 |
| 13 | PNGS | POLINGS HAY SERVICE | | | SCAC4 |
| 14 | PNGW | PENNINGTON, WARREN | | | SCAC3 |
| 15 | PNGX | The Peoples Natural Gas Co. | 7/1930-1/1950 | | NAKINA |
| 16 | PNGX | The Peoples Natural Gas Co. | Apr-38 | | NRHS |
| 17 | PNGX | PEOPLES NATURAL GAS CO. | | | PWRC |
