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contracting office, code HQ0034, Washington, DC

Washington Headquarters Services

883 opportunities published since January 1, 2024, 7 open now. 3,874 awards on USAspending in the same window, $6,527,329,410 obligated, 40% of them under full and open competition.

Open opportunitiesMarkdown

Hear about each solicitation Washington Headquarters Services posts, the day it is posted.Follow it

Closing soonest

7 solicitations are accepting responses.

Contracts ending soon

Awards Washington Headquarters Services made whose performance ends in the next 19 months, by published end date. Each one is a recompete to prepare for.

Ending
524
Obligated so far
$2,601,240,644
Soonest
October 31, 2026

The 524 contracts, who holds each one and the dates are in the workspace. See them

Who wins here

Vendors by dollars obligated.

Institute for Defense Analyses$622,268,575
The Johns Hopkins University Applied Physics Laboratory LLC$409,188,914
Booz Allen Hamilton Inc.$296,284,501
American Systems Corporation$259,072,866
Poplicus Incorporated$185,223,300
Analytic Services Inc.$175,173,424
The Rand Corporation$157,779,229
Science Applications International Corporation$114,718,884
M. C. Dean, Inc.$113,377,023
Systems Planning and Analysis, Inc.$104,760,634

What it buys

Industries by dollars obligated.

All Other Professional, Scientific, and Technical ServicesNAICS 541990$1,907,549,453
Administrative Management and General Management Consulting ServicesNAICS 541611$1,025,892,423
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)NAICS 541715$647,909,303
Other Computer Related ServicesNAICS 541519$384,169,781
Computer Systems Design ServicesNAICS 541512$322,329,959
Engineering ServicesNAICS 541330$293,987,753
Custom Computer Programming ServicesNAICS 541511$209,785,402
Commercial and Institutional Building ConstructionNAICS 236220$175,154,045
Facilities Support ServicesNAICS 561210$136,014,491
Security Systems Services (except Locksmiths)NAICS 561621$101,642,144

How it buys

Awards by competition and by set-aside.

Full and Open Competition1,500
Full and Open Competition After Exclusion of Sources694
Competed Under SAP493
Not Competed454
Not Competed Under SAP349
Small Business Set Aside - Total662
8(A) Sole Source278
8A Competed38
Women Owned Small Business22
Hubzone SET-ASIDE16

Recently published

All from this department

Recently awarded

Notice types

  • Award notices245
  • Sources sought210 (4 open)
  • Special notices179
  • Combined synopses and solicitations92
  • Solicitations80 (3 open)
  • Justifications62
  • Presolicitations14
  • Consolidation and bundling notices1

Set-asides

Where this agency buys

Place of performance

Product and service codes
R499 Other Professional ServicesR408 Program Management/Support ServicesB541 Defense StudiesAC12 National Defense R&D Services; Department Of Defense - Military; Applied ResearchAJ13 General Science & Technology R&D Svcs; General Science & Technology; Experimental DevelopmentR425 Engineering and Technical Services
Awards seen
January 2, 2024 to June 5, 2026
Data as of
October 31, 2026