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Federal Contractor

GREAT LAKES DREDGE & DOCK CO, LLC

UEI M9LFLA6K8HE4 · CAGE 1BSU5 · HOUSTON, TX · Parent: GREAT LAKES DREDGE & DOCK CORPORATION

Dated source observations

SAM: Active · expires 2027-06-22 · checked 2026-11-07

Exclusions: no active exclusion record matched this UEI · as of the 2026-11-06 extract

Requests SAM.gov registration data when a refresh is available. It updates this profile but does not create a verification record.

Classifications: corporate entity not tax exempt, limited liability corporation, other than small business, us owned business

Registered address

9811 KATY FWY STE 1200
HOUSTON, TX 77024

SAM registration data · checked 2026-11-07

Doing business with this entity? The check opens with UEI M9LFLA6K8HE4 loaded and can seal a permanent verification record. Monitoring re-checks this UEI every morning, with three entities included free.

Federal footprint

Historical awards

$7.9B

USAspending · prime awards

Trailing 12 months

$80.7M

USAspending · obligations

Largest agency share

99%

Department of Defense

NAICS codes

2

observed across awards

USAspending subawards

A prior name search matched reported contract subawards. Check date unrecorded.

Name matches do not establish identity. Reported subaward coverage is partial.

Awarding agencies for this contractor

This contractor's observed prime award obligations by agency · USAspending.gov · as of 2026-09-27

NAICS codes

237990$2.3B

other heavy and civil engineering construction

15 awards observed

all other specialty trade contractors

Largest prime awards· as of 2026-09-27

  • W912HP18C0001 · Department of Defense$304.5M
  • W912HY24C0016 · Department of Defense$219.8M
  • W912EP13C0015 · Department of Defense$215.8M
  • W912EP18C0021 · Department of Defense$193.5M
  • W912HY23C0005 · Department of Defense$173.2M
  • W912HY21C0015 · Department of Defense$171.2M
  • W912BU15C0007 · Department of Defense$161.8M
  • W912BU15C0054 · Department of Defense$159.4M
  • W912EP20C0010 · Department of Defense$118.2M
  • W912DS08C0016 · Department of Defense$115.9M
  • W912DS07C0015 · Department of Defense$114.5M
  • W912HN15C0005 · Department of Defense$114.1M
  • W9127817C0008 · Department of Defense$97.3M
  • W912BU15C0003 · Department of Defense$92.1M
  • W912DS08C0002 · Department of Defense$90.8M