| 1 | IPO | Proaviation | Founded on 21 May 2009. | IS | AVCODES |
| 2 | IPOC | INTERNATIONAL PAPER (EIGHTY FOUR CO | | | SCAC4 |
| 3 | IPOK | IMCORP | | | SCAC4 |
| 4 | IPOR | INTERPORT SERVICES INC | | | SCAC4 |
| 5 | IPOU | INTERMODAL PARTNERSHIP OU | | EST | BIC |
| 6 | IPOX | A & R Leasing, L.L.C. | added 7/1997; 7/2000; eliminated 1/2004; 7/2005 (not listed) | | NAKINA |
| 7 | IPOX | A & R Leasing, L.L.C. | added 7/97; 7/2000 | | NRHS |
| 8 | IPOX | A & R LEASING, LLP | | | PWRC |
| 9 | IPOX | A and R Leasing | | | RSRV |
| 10 | IPOX | A & R LEASING LIMITED LIABILITY COR | | | SCAC4 |
