| Owner | Manager | From | Until | | Bollinger Machine Shop Incorporated - Lockport, Louisiana | | 1975 | 1989 |
| Sun Oil Transportation Company Incorporated - Marcus Hook, Pennsylvania | | 1989 | 1999 |
| Hornbeck Offshore Transportation - Covington, Louisiana | | 1999 | 2015 |
| Trinity Offshore Supply and Tow Limited - Trinidad and Tobago | | 2015 | |
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