Vendor, Seattle, WA
Duwamish Services LLC
UEI Z6JFGB3CE1R7, CAGE 7TAU4
2 awards and $2,962,134 obligated between June 27, 2025 and May 1, 2026, 100% under full and open competition, against 3.5 offers on average where reported. 18 of the awards trace back to a SAM.gov solicitation on this site.
Industries
NAICS on the awards, by dollars.
| Other Heavy and Civil Engineering ConstructionNAICS 237990 | $2,962,134 |
How it wins
Awards by competition, set-aside and type.
| Full and Open Competition After Exclusion of Sources | 2 |
| Small Business Set Aside - Total | 2 |
| Definitive Contract | 2 |
Solicitations it won
SAM.gov opportunities whose award USAspending attributes to this vendor.
- Award Notice: FY25 Everett Hydraulic Dredging
Department of the Army, W071 Endist Seattle
Award noticeSmall businessNAICS 237990Everett, WAW912DW25B0008Awarded to Duwamish Services LLC for $1,899,000
Posted Sep 17, 202511 publications - AWARD NOTICE - FY25 QUILLAYUTE MAINTENANCE DREDGING
Department of the Army, W071 Endist Seattle
Award noticeSmall businessNAICS 237990WashingtonW912DW25B0005Awarded to Duwamish Services LLC for $1,705,750
Posted Jun 27, 20257 publications
Awards
Every award in the window, by dollars obligated.
| Contract | Awarding office | Described as | Obligated |
|---|---|---|---|
| W912DW25C0013Definitive Contract, September 17, 2025, Full and Open Competition After Exclusion of Sources, 3 offersSolicitation | W071 Endist SeattleDepartment of the Army | FY25 Everett Hydraulic Dredging, Everett - WashingtonNAICS 237990, PSC Y1PZ | $1,713,420 |
| W912DW25C0012Definitive Contract, June 27, 2025, Full and Open Competition After Exclusion of Sources, 4 offersSolicitation | W071 Endist SeattleDepartment of the Army | FY25 Quillayute Maintenance Dredging. Seattle District Requires Maintenance Hydraulic Dredging from the Quillayute River Outer and Inner ChaNAICS 237990, PSC Y1PZ | $1,248,714 |
- Places of performance
- Washington
- Product and service codes
- Y1PZ Construction Of Other Non-Building Facilities
- Transactions
- 6 across 2 awards