| 1 | INP | F A Naval Del Peru | | PE | AVCODES |
| 2 | INP | Peruvian Navy | | | ICAO1 |
| 3 | INP | Peruvian Naval Aviation | Fuerza de Aviación Naval | PE | TRAFFIC |
| 4 | INPA | INTERNATIONAL PACIFIC HALIBUT COMMI | | | SCAC4 |
| 5 | INPC | INTERNATIONAL PARCEL SERVICE LTD | | | SCAC4 |
| 6 | INPD | INDEPENDENT DISPATCH, INC. | | | SCAC1 |
| 7 | INPD | INDEPENDENT DISPATCH INC | | | SCAC4 |
| 8 | INPE | IN PORT EXPERTS INC | | | SCAC4 |
| 9 | INPJ | INTERNATIONAL NAME PLATE SUPPLIES L | | | SCAC4 |
| 10 | INPM | INDEPENDENT FOOD CO | | | SCAC4 |
| 11 | INPO | INTERNATIONAL PROCESS S A | | | SCAC4 |
| 12 | INPR | Idaho Northern & Pacific R.R. Co. | 7/2000-7/2005 | | NAKINA |
| 13 | INPR | Idaho Northern & Pacific R.R. Co. | Jul-00 | | NRHS |
| 14 | INPR | IDAHO NORTHERN & PACIFIC RAILROAD COMPANY | | | PWRC |
| 15 | INPR | Idaho Northern and Pacific Railroad | | | RSRV |
| 16 | INPR | IDAHO NORTHERN & PACIFIC RAILROAD C | | | SCAC4 |
| 17 | INPR | Idaho Northern and Pacific Railroad Company | | USA | TRAFFIC |
| 18 | INPX | INLAND PACIFIC RAILROAD | | | PWRC |
| 19 | INPX | INLAND PACIFIC RAILROAD | | | SCAC4 |
| 20 | INPZ | INDUSTRIAL PAPER | | | PWRC |
