| 1 | IPT | Interport Corporation | Callsign: Interport, | USA | AVCODES |
| 2 | IPT | Interport Corporation | | | ICAO1 |
| 3 | IPTC | INLET PETROLEUM COMPANY | | | SCAC4 |
| 4 | IPTD | INTRA-PLAINS TRANSPORT LTD | | | SCAC4 |
| 5 | IPTM | IMPORT TEMPTATIONS INC | | | SCAC4 |
| 6 | IPTN | IMPERIAL TRANSPORT OF TENN INC | | | SCAC4 |
| 7 | IPTO | IPPOLITO TRANSPORTATION INC | | | SCAC4 |
| 8 | IPTR | IMPERIAL TRANSPORTATION SERVICE INC | | | SCAC4 |
| 9 | IPTS | IMPACT SPORTSWEAR S DE RL DE CV | | | SCAC4 |
