NAICS 531311

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Federal agencies have awarded 642 contracts worth $470.2M to 15 recipients under NAICS 531311. Below are the top recipients, the agencies buying most under this code, and current open solicitations.

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Top 10 Recipients (last 12 months)

Top 5 Buying Agencies (last 12 months)

Top Buying Agencies

Department of Housing and Urban Development$237.6M · 64

Department of Homeland Security$146.2M · 568

Department of Veterans Affairs$72M · 5

Department of Defense$14.3M · 2

Department of Agriculture$43K · 3

Small Business Set-Aside Programs

No set-aside awards recorded under this code.

Spending by Fiscal Year

FY 2026$196.9M · 160 awards

FY 2025$273.2M · 482 awards

Where the Work Happens

HI$144.4M · 475

FL$111.9M · 100

DC$72M · 5

MI$46.1M · 5

UT$40.7M · 4

MD$15.8M · 10

Federal Contracting under NAICS 531311

Across all years, federal agencies have obligated $470.2M to 15 vendors under NAICS 531311, an average of $732K per award. In FY2026, $196.9M was awarded across 160 contract actions. The largest buyer is Department of Housing and Urban Development. Most of the work is performed in HI and FL. Browse open bids →

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