01 / Contracting Office Profile
Washington Headquarters Services Federal Contracts and Spending
Office code HQ0034
Washington Headquarters Services is a federal contracting office within WASHINGTON HEADQUARTERS SERVICES (WHS). This profile shows the office’s purchasing scale, incumbent vendors, market classifications, competition, and recent contract activity.
02 / Market Size
Washington Headquarters Services contract market at a glance
Net obligations, purchasing activity, and supplier participation measured consistently across FY 2019–FY 2025.
Across FY 2019–FY 2025, Washington Headquarters Services accounts for 99.7% of its parent agency’s net contract obligations. Net obligations include positive obligations and later deobligations recorded during the same period.
03 / Spending Trend
Washington Headquarters Services contract spending by year
Annual net obligations for FY 2019–FY 2025 show whether the office’s recorded contract market is growing or contracting. Actions and vendors indicate whether that change reflects broader purchasing activity or a smaller number of large transactions.
Total obligations$2.65B
FY 2025ObligationsHistorical spending range
| Fiscal year | Obligations | Actions | Vendors | Change |
|---|---|---|---|---|
| FY 2025 | $2.65B | 4,044 | 851 | −0.4% |
| FY 2024 | $2.66B | 3,867 | 883 | +7.4% |
| FY 2023 | $2.47B | 4,083 | 864 | +16.3% |
| FY 2022 | $2.13B | 3,711 | 842 | −2.8% |
| FY 2021 | $2.19B | 3,757 | 857 | +2.3% |
| FY 2020 | $2.14B | 3,755 | 863 | +16.7% |
| FY 2019 | $1.83B | 3,592 | 953 | — |
04 / Buying Hierarchy
Where does Washington Headquarters Services sit in the federal buying structure?
The office executes procurement within a contracting agency, which belongs to a federal department. Follow either profile to compare this office with the broader organizations directing and funding its activity.
| Organization level | Organization | Code | Explore |
|---|---|---|---|
| Contracting agency | WASHINGTON HEADQUARTERS SERVICES (WHS) | 97F5 | View agency profile |
| Federal department | DEPT OF DEFENSE | 9700 | View department profile |
05 / Top NAICS Industries
Which industries receive the most Washington Headquarters Services contract spending?
NAICS industries ranked by recorded obligations show where this office’s contract demand is concentrated and how many actions and vendors participate in each market.
| NAICS | Description | Obligations | Actions | Vendors | Office share |
|---|---|---|---|---|---|
| 541990 | ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES | $4.58B | 2,384 | 86 | 28.5% |
| 541611 | ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES | $2.98B | 4,776 | 262 | 18.6% |
| 541519 | OTHER COMPUTER RELATED SERVICES | $1.04B | 2,424 | 239 | 6.5% |
| 541330 | ENGINEERING SERVICES | $881.45M | 961 | 44 | 5.5% |
| 541715 | RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY) | $853.70M | 891 | 117 | 5.3% |
| 541512 | COMPUTER SYSTEMS DESIGN SERVICES | $702.95M | 1,046 | 127 | 4.4% |
| 541511 | CUSTOM COMPUTER PROGRAMMING SERVICES | $500.14M | 654 | 99 | 3.1% |
| 236220 | COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION | $396.28M | 995 | 41 | 2.5% |
| 561210 | FACILITIES SUPPORT SERVICES | $307.31M | 587 | 30 | 1.9% |
| 541219 | OTHER ACCOUNTING SERVICES | $283.56M | 158 | 11 | 1.8% |
06 / Top Product and Service Codes
What products and services does Washington Headquarters Services buy?
Product and Service Codes ranked by recorded obligations show the specific categories purchased by this office.
| PSC | Description | Obligations | Actions | Vendors | Office share |
|---|---|---|---|---|---|
| R499 | SUPPORT- PROFESSIONAL: OTHER | $4.97B | 6,955 | 440 | 30.9% |
| B541 | SPECIAL STUDIES/ANALYSIS- DEFENSE | $2.63B | 897 | 9 | 16.3% |
| R408 | SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT | $1.66B | 1,833 | 162 | 10.3% |
| AJ13 | GENERAL SCIENCE & TECHNOLOGY R&D SVCS; GENERAL SCIENCE & TECHNOLOGY; EXPERIMENTAL DEVELOPMENT | $492.41M | 244 | 5 | 3.1% |
| R425 | SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | $478.92M | 777 | 50 | 3.0% |
| AC12 | NATIONAL DEFENSE R&D SERVICES; DEPARTMENT OF DEFENSE - MILITARY; APPLIED RESEARCH | $339.97M | 162 | 20 | 2.1% |
| R699 | SUPPORT- ADMINISTRATIVE: OTHER | $290.15M | 537 | 82 | 1.8% |
| R704 | SUPPORT- MANAGEMENT: AUDITING | $236.70M | 151 | 14 | 1.5% |
| R430 | SUPPORT- PROFESSIONAL: PHYSICAL SECURITY AND BADGING | $218.79M | 107 | 6 | 1.4% |
| DA10 | IT AND TELECOM - BUSINESS APPLICATION/APPLICATION DEVELOPMENT SOFTWARE AS A SERVICE | $215.97M | 403 | 87 | 1.3% |
07 / Top Vendors
Which contractors receive the most Washington Headquarters Services obligations?
Vendors are ranked by recorded obligations to show the office’s leading incumbents, their share of spending, purchasing activity, and primary NAICS and PSC markets.
| Vendor | Obligations | Awards / actions | Share | Primary NAICS / PSC |
|---|---|---|---|---|
| INSTITUTE FOR DEFENSE ANALYSES | $1.48B | 446 | 9.2% | NAICS 541990 · PSC B541 |
| JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC, THE | $1.16B | 351 | 7.2% | NAICS 541990 · PSC B541 |
| BOOZ ALLEN HAMILTON INC. | $626.65M | 527 | 3.9% | NAICS 541611 · PSC R499 |
| RAND CORPORATION, THE | $483.32M | 227 | 3.0% | NAICS 541990 · PSC B541 |
| ANALYTIC SERVICES INC. | $375.71M | 398 | 2.3% | NAICS 541611 · PSC R499 |
| AMERICAN SYSTEMS CORPORATION | $356.43M | 158 | 2.2% | NAICS 541715 · PSC AJ13 |
| E3 FEDERAL SOLUTIONS, LLC | $353.31M | 167 | 2.2% | NAICS 541219 · PSC R408 |
| POPLICUS INCORPORATED | $297.83M | 232 | 1.9% | NAICS 541990 · PSC R499 |
| M.C. DEAN, INC. | $273.67M | 1,055 | 1.7% | NAICS 561621 · PSC N063 |
| SYSTEMS PLANNING AND ANALYSIS, INC. | $252.99M | 148 | 1.6% | NAICS 541990 · PSC R499 |
08 / Buying Pattern
How does Washington Headquarters Services award contract work?
Competition, small-business participation, set-asides, transaction size, and action types provide a compact view of how the office structures its recorded contract activity.
Competition rate 87.4%
Small-business share 7.0%
Set-aside share 27.8%
Average action value $599.4K
Largest recorded action $50.21M
09 / Recent Contract Awards
What did Washington Headquarters Services award most recently in FY 2019–FY 2025?
The latest recorded contract actions inside this profile’s closed fiscal-year window connect award activity with the vendors, markets, agencies, and offices shown above.
| Award / PIID | Vendor | Signed date | Obligation | NAICS | PSC | Contracting agency / office |
|---|---|---|---|---|---|---|
| HQ003423C0141 | COHO CONSULTING GROUP LLC | Sep 30, 2025 | $275.3K | 541611 | R499 | WASHINGTON HEADQUARTERS SERVICES (WHS) WASHINGTON HEADQUARTERS SERVICES |
| HQ003425CE134 | STERLING COMPUTERS CORPORATION | Sep 30, 2025 | $205.6K | 334111 | DB02 | WASHINGTON HEADQUARTERS SERVICES (WHS) WASHINGTON HEADQUARTERS SERVICES |
| HQ003424F0223 | JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC, THE | Sep 30, 2025 | $356.8K | 541990 | R425 | WASHINGTON HEADQUARTERS SERVICES (WHS) WASHINGTON HEADQUARTERS SERVICES |
| HQ003425FE541 | HDR ARCHITECTURE, INC. | Sep 30, 2025 | $338.5K | 541330 | C211 | WASHINGTON HEADQUARTERS SERVICES (WHS) WASHINGTON HEADQUARTERS SERVICES |
| HQ003422P0050 | HII DEFENSE AND FEDERAL SOLUTIONS, INC. | Sep 30, 2025 | -$2.3K | 611710 | U099 | WASHINGTON HEADQUARTERS SERVICES (WHS) WASHINGTON HEADQUARTERS SERVICES |
| HQ003423F0134 | HII MISSION TECHNOLOGIES CORP | Sep 30, 2025 | -$1.9K | 611710 | U099 | WASHINGTON HEADQUARTERS SERVICES (WHS) WASHINGTON HEADQUARTERS SERVICES |
10 / Interpreting the Profile
What does this contract market mean for a supplier?
This profile combines spending scale, the buying hierarchy, incumbent vendors, market classifications, and competition indicators. Read them together before deciding whether Washington Headquarters Services represents an addressable market for your company.
Read spending in context
$16.07B in recorded obligations describes historical market scale. Compare it with 26,809 contract actions and an average action value of $599.4K to understand purchasing frequency and transaction size.
Follow the actual buyers
This office sits within WASHINGTON HEADQUARTERS SERVICES (WHS) and DEPT OF DEFENSE. Use that hierarchy to understand who directs its mission and how its purchasing compares with the broader organization.
Do not confuse scale with access
A large historical total does not mean the same amount is currently open for competition. Use the 87.4% competition rate, set-aside share, recent awards, and current opportunities to estimate what may actually be addressable.
Test market fit and incumbency
Compare leading vendors with NAICS 541990 and PSC R499. Supplier concentration and competition reveal whether demand aligns with your capabilities and how difficult displacement may be.