| No. | Vessel Name | Call sign | carrier Code(NACCS Code) | NACCS user ID |
| 6241 | ORANGE TRUTH | 3EFC5 | MOLU | 3FSKL |
| 6242 | ORCHID | 3EQL | 12GY | 3GSKL |
| 6243 | ORCHID ACE | 7JDE | MOLU | 3BCSA |
| 6244 | ORCHID DRAGON | 3FOY6 | 13JP | 3HNUC |
| 6245 | ORCHID HALO | 3EUS4 | DCTY | 6LSML |
| 6246 | ORCHID ISLAND | 3FFX9 | 32NG | 6TAZM |
| 6247 | ORCHID OCEAN | DSBJ4 | 12OU | 3HNUC |
| 6248 | ORCHID RIVER | S6HL | MOLU | 3HNUC |
| 6249 | ORE ALEGRIA | 9V9041 | 13PQ | 3FFUY |
| 6250 | OREGON | 9HCZ9 | TMCU | 2PMRZ |
| 6251 | OREGON HIGHWAY | 3ENO7 | KKLU | 6HNGU |
| 6252 | ORIENT ACCORD | 9HA2553 | 13PB | 3QTSC |
| 6253 | ORIENT ACE | 9228241 | 12CN | 6ANGM |
| 6254 | ORIENT ACE | S6QS8 | 12CN | 6FNGU |
| 6255 | ORIENT ACRUX | S6BJ2 | 32NG | 4ASHM |
