SEMCO, Lafitte LA
Most recent update: October 16, 2011.
SEMCO is a specialized builder of lift boats. See the yard from the air on Google here.
| Hull # | Original Name | Original Owner | Vessel Type | Leg Length (Feet) | GT | Built | Disposition |
| 31 | SWB 1 | McLean Contracting | Tug | 55 | 1997 | Active | |
| 32 | SWB 2 | McLean Contracting | Tug | 55 | 1997 | Active | |
| 36 | BB 122 | Beyel Bros. | Tug | 35 | 1997 | Active | |
| 41 | BB 121 | Beyel Bros. | Tug | 35 | 1997 | Active | |
| 1001 | Power 250 | Liftboat | 5,252 | 1998 | Now Prisa 110 | ||
| 1002 | Liftboat | 5,252 | 1999 | Now Prisa 111 | |||
| 1003 | Liftboat | 5,252 | 1999 | Now Prisa 112 | |||
| 1004 | Dixie Legacy | Superior Energy | Liftboat | 250 | 2,259 | 2001 | Active |
| 1009 | Dixie Endeavor | Superior Energy | Liftboat | 250 | 2,276 | 2002 | Active |
| 2058 | Rig 20 | Coastal Drilling | Liftboat | 5,564 | 2002 | Active | |
| 1010 | Dixie Patriot | Superior Energy | Liftboat | 250 | 2,509 | 2003 | Active |
| 2076 | Rig 21 | Coastal Drilling | Liftboat | 6,181 | 2004 | Active | |
| 1011 | K.S. Titan I | Liftboat | 250 | 2,559 | 2008 | Active | |
| 1012 | Atco Khadija | Liftboat | 1,824 | 2007 | Active | ||
| 1013 | Rig 22 | Coastal Drilling | Liftboat | 2,646 | 2007 | Active | |
| 1014 | K.S. Titan II | Liftboat | 250 | 2,559 | 2008 | Active | |
| 1015 | Power 320 | Power Marine | Liftboat | 320 | 2,382 | 2011 | Active |