Contract N4008521C0077
381 Constructors · Department Of Defense · September 30, 2022
381 Constructors was awarded a federal contract by Department Of Defense (Department Of The Navy) on September 30, 2022 for $460.50 million of work in other heavy and civil engineering construction. Performance is in Kittery, ME. It was awarded under full and open competition. The contract has been modified 20 times since the base award It uses firm fixed-price contract pricing. The most recent modification was on December 18, 2025. If all options are exercised, the contract could reach $1.94 billion.
Contract details
- PIID
- N4008521C0077
- Award type
- Definitive Contract
- Pricing
- Firm Fixed Price
- Set-aside
- No Set Aside Used.
- Competition
- Full And Open Competition
- NAICS
- 237990 · Other Heavy And Civil Engineering Construction
- Product / service
- Construction Of Ship Construction And Repair Facilities
- Place of performance
- Kittery, ME
- First action
- September 30, 2022
- Latest action
- December 18, 2025
Description
P-381 MULTI-MISSION DRY DOCK #1, PORTSMOUTH NAVAL SHIPYARD, KITTERY, ME
Modification timeline
-
December 18, 2025Mod P00072 · Supplemental Agreement For Work Within Scope$1.82B
-
November 3, 2025Mod P00071 · Supplemental Agreement For Work Within Scope$1.78B
-
October 24, 2025Mod P00070 · Supplemental Agreement For Work Within Scope$1.78B
-
October 15, 2025Mod P00069 · Supplemental Agreement For Work Within Scope$1.78B
-
September 30, 2025Mod P00068 · Supplemental Agreement For Work Within Scope$1.78B
-
September 29, 2025Mod P00067 · Funding Only Action$1.78B
-
September 24, 2025Mod P00066 · Supplemental Agreement For Work Within Scope$1.78B
-
September 10, 2025Mod P00065 · Supplemental Agreement For Work Within Scope$1.77B
-
August 22, 2025Mod P00064 · Supplemental Agreement For Work Within Scope$1.77B
-
August 6, 2025Mod P00063 · Supplemental Agreement For Work Within Scope$1.77B
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Top contractors in NAICS 237990
Lifetime obligated dollars across all federal contracts in this NAICS code.
| # | Contractor | Contracts | Obligated |
|---|---|---|---|
| 1 | Thalle - Bauer Llc | 1 | $320.39M |
| 2 | Thalle Construction Co Inc | 2 | $175.41M |
| 3 | Kiewit-Alberici Siop Macc Ajv | 1 | $152.00M |
| 4 | Nan Inc | 4 | $88.60M |
| 5 | Orion Marine Construction, Inc. | 2 | $86.21M |
| 6 | Alberici Constructors Inc | 1 | $68.18M |
| 7 | Ge Renewables Us Llc | 3 | $67.95M |
| 8 | Hawaii Harbors Constructors Jv | 1 | $61.37M |
| 9 | Dragados/Hawaiian Dredging/Orion Jv | 1 | $53.26M |
| 10 | Manson Construction Co | 15 | $50.81M |
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Frequently asked questions
What is contract N4008521C0077?
Contract N4008521C0077 is a federal contract awarded to 381 Constructors by Department Of Defense on September 30, 2022 for $460.50 million of work classified under OTHER HEAVY AND CIVIL ENGINEERING CONSTRUCTION. It has been modified 20 times since the base award.
Who won contract N4008521C0077?
381 Constructors won contract N4008521C0077 from Department Of Defense.
How much is contract N4008521C0077 worth?
Contract N4008521C0077 has obligated $460.50 million to date, with a total potential value of $1.94 billion if all options are exercised.