| | OPTION YEAR ONE | LANGENFELDER MARINE, INC. | $1,917,055 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 237990Other Heavy and Civil Engineering Construction | Z299 | Sep 6, 2008 | Sep 6, 2008 | Jun 26, 2009 |
| | OYSTER HABITAT RESTORATION CONSTRUCTION | LANGENFELDER MARINE, INC. | $2,011,148 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 237990Other Heavy and Civil Engineering Construction | Z299 | Aug 24, 2007 | Aug 24, 2007 | Dec 28, 2007 |
| | FY06 SHELL PLACEMENT CONTRACT | LANGENFELDER MARINE, INC. | $584,898 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 114112Shellfish Fishing | F999OTHER ENVIRONMENTAL SERVICES | Sep 1, 2006 | Sep 1, 2006 | Nov 30, 2006 |
| | — | LANGENFELDER MARINE, INC. | $0 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 114112Shellfish Fishing | F999OTHER ENVIRONMENTAL SERVICES | Jun 17, 2005 | Jun 17, 2005 | — |
| | — | LANGENFELDER MARINE, INC. | $0 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 237990Other Heavy and Civil Engineering Construction | Z216 | Mar 25, 2005 | Mar 25, 2005 | — |
| | 200512!500591!96CE!W912DR!USA ENGINEER DIST BALTIMORE !DACW3103A0008 !A!N! !N!003P !01 !20050201!20040830!118840862!118840862!118840862!N!LANGENFELDER MARINE INC !400 PIER AVE !STEVENSVILLE !MD!21666!04000!510!24!BALTIMORE !BALTIMORE (CITY) !MARYLAND !+000000007837!N!N!000000000000!F999!OTHER ENVIRON SVCS, STUDIES, & ANALYTICAL SUPPORT !S1 !SERVICES !000 !* !114112!A!A!9! ! !A! ! !20200930!D! ! !B! !A!U!J!1!001! ! !C!N!Z! ! !Y!B!N!N! ! !A! !A!A!000!A!B!N! ! ! ! ! ! !0001! ! | LANGENFELDER MARINE, INC. | $0 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 114112Shellfish Fishing | F999OTHER ENVIRONMENTAL SERVICES | Feb 1, 2005 | Feb 1, 2005 | — |
| | CHWR4022 | LANGENFELDER MARINE, INC. | $23,318 | US FISH AND WILDLIFE SERVICE | — | — | 234990 | Z299 | Sep 16, 2004 | Sep 16, 2004 | Apr 19, 2006 |
| | — | LANGENFELDER MARINE, INC. | $0 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 237990Other Heavy and Civil Engineering Construction | Z216 | Aug 16, 2004 | Aug 16, 2004 | — |
| | — | LANGENFELDER MARINE, INC. | $0 | DEPT OF THE ARMY | — | — | 237990Other Heavy and Civil Engineering Construction | Z216 | Jul 28, 2004 | Jul 28, 2004 | — |
| | CR6 - CHINCOTEAGUE | LANGENFELDER MARINE, INC. | $14,400 | US FISH AND WILDLIFE SERVICE | — | — | 423320Brick, Stone, and Related Construction Material Merchant Wholesalers | 5610MINERAL CONSTRUCTION MATERIALS, BULK | May 3, 2004 | May 3, 2004 | Apr 19, 2006 |
| | SAND STONE DELIVERY | LANGENFELDER MARINE, INC. | $11,375 | US FISH AND WILDLIFE SERVICE | — | — | 423320Brick, Stone, and Related Construction Material Merchant Wholesalers | 5610MINERAL CONSTRUCTION MATERIALS, BULK | May 3, 2004 | May 3, 2004 | Jul 30, 2004 |
| | — | LANGENFELDER MARINE, INC. | $0 | DEPT OF THE ARMY | — | — | 237990Other Heavy and Civil Engineering Construction | Y216 | Mar 8, 2004 | Mar 8, 2004 | — |
| | — | LANGENFELDER MARINE, INC. | $0 | DEPT OF THE ARMY | — | — | 114112Shellfish Fishing | F999OTHER ENVIRONMENTAL SERVICES | Aug 8, 2003 | Aug 8, 2003 | — |