Thoma-Sea Boatbuilders, Bourg LA, and
Thoma-Sea Shipbuilders, Lockport LA
Thoma-Sea Boatbuilders is a small builder of tugs. In 2001, it bought the Lockport shipyard formerly owned by Halter Marine. The shipyard does not have a web site, but you can see the Lockport yard from the air on Google here.
| Hull # | Original Name | Original Owner | Vessel Type | GT | Delivery | Disposition |
| Built at Bourg | ||||||
| 101 | Miss Mallory | Dunamis Towing | Fishing Vessel | 124 | 1994 | Active |
| 102 | M. L. Crochet | Crochet Boat Co. | Tug | 96 | 1996 | Active |
| 103 | Ross Salvaggio | Eckstein Marine Services | Tug | 114 | 1996 | Active |
| 104 | Crosby Star | Crosby Tugs | Tug | 278 | 16-Oct-97 | Active |
| 105 | Pat McDaniel | Eckstein Marine Services | Tug | 114 | 1997 | Active |
| 106 | Colonel | Neptune Towing | Tug | 278 | 12-Feb-98 | Now "Coastal Dade" |
| 107 | New Orleans | Crescent Towing | Tug | 273 | 9-Sep-98 | Active |
| 108 | Site Clearance I | Massie Towing | Offshore Service Vessel | 273 | 1-Feb-98 | Active |
| 109 | Dumar I | Dolphin Tugs | Tug | 185 | Oct-98 | Now "Dolphin I" |
| 110 | Dumar II | Dolphin Tugs | Tug | 392 | 10-Dec-99 | Now "Dolphin II" |
| 111 | Dumar III | Dolphin Tugs | Tug | 1,108 | 15-Apr-02 | Now "Dolphin III" |
| 112 | Crosby Crusader | Crosby Tugs | Tug | 278 | 25-Feb-99 | Active |
| 113 | ||||||
| 114 | Point Clear | Crescent Towing | Tug | 266 | 1999 | Active |
| 115 | U-Boys | U-Boys Fishing | Fishing Vessel | 135 | 2000 | Active |
| 116 | Nutmeg State | Tug | 278 | 9-Nov-99 | Now "C. Angelo" | |
| 117 | M-1 | Massie Towing | Tug | 496 | Jun-00 | Now "Dustin Danos" |
| 118 | M-2 | Massie Towing | Tug | 496 | Dec-00 | Now "Crosby Skipper" |
| 119 | Greg Danos | Offshore Transport Services | Tug | 498 | 31-Aug-01 | Active |
| 120 | Rylan T. | Atlas Boats | Tug | 771 | 1-Aug-02 | Active |
| 121 | HMS Frontier | Harley Marine | Tug | 186 | 25-Sep-03 | Now "Signet Challenger" |
| 122 | Normandy | Metro Marine Tptn. | Tug | 299 | 12-Feb-03 | Active |
| 123 | Transferred to Lockport | |||||
| 124 | Patapsco | Vane Brothers | Tug | 327 | 22-Apr-04 | Active |
| 125 | Nanticoke | Vane Brothers | Tug | 327 | 14-Mar-05 | Active |
| 126 | Chesapeake | Vane Brothers | Tug | 327 | 23-Jun-06 | Active |
| 127 | Wicomico | Vane Brothers | Tug | 327 | 21-Dec-05 | Active |
| 128 | Choptank | Vane Brothers | Tug | 327 | 21-Dec-06 | Active |
| 129 | Tuckahoe | Vane Brothers | Tug | 327 | 11-Jun-07 | Active |
| 130 | Potomac | Vane Brothers | Tug | 327 | 4-Sep-07 | Active |
| 131 | Bohemia | Vane Brothers | Tug | 341 | 1-Jan-08 | Active |
| 132 | Susquehanna | Vane Brothers | Tug | 341 | 8-Nov-07 | Active |
| 133 | Ms Deborah | MNM Boats | Offshore Service Vessel | 97 | 15-Feb-06 | Active |
| 134 | Wye River | Vane Brothers | Tug | 341 | 9-Jun-08 | Active |
| 135 | Pocomoke | Vane Brothers | Tug | 341 | 2008 | Active |
| 136 | Magothy | Vane Brothers | Tug | 341 | 2008 | Active |
| 137 | ||||||