Top HHS engineering services contractors
In the 12 months ending Oct 5, 2026, the Department of Health and Human Services obligated $286.4M in net prime contract dollars under NAICS 541330, down 9.0% from $314.6M in the preceding 12 months. 93 prime contractors received positive obligations, and 18 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Health and Human Services. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top HHS contractors for NAICS 541330
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | General Dynamics Information Technology, Inc. | $96.6M | $95.0M | 33.2% | — |
| 2 | Deloitte Consulting LLP | $30.9M | $26.7M | 10.6% | ▲ 1 |
| 3 | Computercraft Corporation | $15.3M | $16.7M | 5.3% | ▲ 1 |
| 4 | Siemens Government Technologies Inc | $10.9M | $1.6M | 3.7% | ▲ 32 |
| 5 | Guidehouse Digital LLC | $10.3M | $8.2M | 3.5% | ▲ 2 |
| 6 | KT Consulting, Inc. | $9.6M | $9.6M | 3.3% | — |
| 7 | M. C. Dean, Inc. | $7.7M | $6.2M | 2.6% | ▲ 2 |
| 8 | Hellmuth, Obata & Kassabaum, P.C. | $6.5M | $5.0M | 2.2% | ▲ 5 |
| 9 | Salas O'brien Federal, LLC | $6.4M | $0 | 2.2% | New |
| 10 | RMF Engineering, Inc., P.C. | $5.4M | $6.1M | 1.9% | — |
| 11 | Lukos, LLC | $5.4M | $4.1M | 1.9% | ▲ 4 |
| 12 | Chickasaw Aerospace, LLC | $5.1M | $7.9M | 1.8% | ▼ 4 |
| 13 | Booz Allen Hamilton Inc | $4.9M | $32.9M | 1.7% | ▼ 11 |
| 14 | Usmax Corporation | $4.7M | $3.9M | 1.6% | ▲ 3 |
| 15 | Affiliated Engineers Metro DC, Inc. | $4.6M | $11.9M | 1.6% | ▼ 10 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Siemens Government Technologies Inc$1.6M → $10.9M (+$9.3M) · now #4
- Salas O'brien Federal, LLC$0 → $6.4M (+$6.4M) · now #9
- Jacobs Government Services Company−$1.2M → $4.3M (+$5.5M) · now #16
Largest declines
- Booz Allen Hamilton Inc$32.9M → $4.9M (−$28.0M) · now #13
- Affiliated Engineers Metro DC, Inc.$11.9M → $4.6M (−$7.3M) · now #15
- Nextstep Technology Inc$5.7M → $0 (−$5.7M) · no latest-period obligations
New to this market
17 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Salas O'brien Federal, LLC | Aug 28, 2026 | $6.4M |
| Montech Inc | Nov 4, 2025 | $1.8M |
| Mcdonough Bolyard Peck, Inc. | Sep 8, 2026 | $1.1M |
| Thomas Dean & Hoskins Inc | Sep 10, 2026 | $747K |
| Integrated Security Technologies, Inc | May 11, 2026 | $698K |
| American Type Culture Collection | May 18, 2026 | $498K |
| Honeywell International, Inc | Mar 17, 2026 | $435K |
| Chinook Systems Inc | Sep 16, 2026 | $404K |
Where the money comes from
Funding sub-agencies within the Department of Health and Human Services, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| Centers for Medicare and Medicaid Services | $140.2M | $156.1M | Down $15.9M (10.2%) |
| National Institutes of Health | $82.4M | $89.0M | Down $6.6M (7.4%) |
| Centers for Disease Control and Prevention | $46.0M | $41.3M | Up $4.7M (11.3%) |
| Indian Health Service | $15.9M | $18.1M | Down $2.2M (12.4%) |
| Food and Drug Administration | $1.9M | $3.8M | Down $1.9M (49.8%) |
| Office of the Assistant Secretary for Financial Resources | $864K | $0 | New |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 75FCMC23F0001 | General Dynamics Information Technology, Inc. TO PROVIDE DATA ANALYSIS, INVESTIGATIVE AND OTHER SERVICES IN SUPPORT OF THE CENTERS FOR MEDICARE & MEDICAID SERVICES, CPI EFFORTS TO SAFEGUARD THE INTEGRITY OF THE HEALTH… | $40.4M | Nov 26, 2026 |
| 75H70124C00011 | Smithgroup, Inc. ARCHITECT-ENGINEER SERVICES FOR WHITERIVER HOSPITAL DESIGN AT WHITERIVER, AZ | $48.4M | Dec 7, 2026 |
| 75N97023F00079 | Computercraft Corporation SCIENTIFIC DATA ANALYSIS, ANNOTATION, AND QUALITY ASSURANCE SUPPORT | $58.3M | Jan 20, 2027 |
| 75N92021F00205 | Deloitte Consulting LLP GSA OASIS TASK ORDER TITLED "NIH/NHLBI RESEARCH AND SCIENTIFIC POLICY SUPPORT AND CLINICAL RESEARCH ORGANIZATION (CRO) MANAGEMENT". | $33.4M | Mar 11, 2027 |
| 75FCMC24F0065 | General Dynamics Information Technology, Inc. BENEFITS COORDINATION & RECOVERY CENTER (BCRC) | $189.9M | May 8, 2027 |
| 75FCMC22F0051 | KT Consulting, Inc. VIRTUAL CONTACT CENTER STRATEGY (VCS) SUPPORT | $38.3M | Jun 20, 2027 |
| 75D30122F14127 | Guidehouse Digital LLC ORGANIZATIONAL PROGRAMMATIC SUPPORT (TO#3) | $29.6M | Sep 19, 2027 |
| 75FCMC19F0112 | Deloitte Consulting LLP PROGRAM INTEGRITY MODELING AND ANALYTIC SUPPORT CONTRACT | $93.2M | Sep 21, 2027 |
| 75FCMC19F0113 | General Dynamics Information Technology, Inc. PROGRAM INTEGRITY MODELING AND ANALYTIC SUPPORT CONTRACT | $89.3M | Sep 23, 2027 |
| 75FCMC19F0030 | Booz Allen Hamilton Inc THE PERM PROGRAM FOR ERROR RATE REPORTING YEARS 2018, 2019, AND 2020. | $86.0M | Feb 28, 2028 |
Common questions
Who are the top HHS contractors for NAICS 541330?
In the latest 12 months, General Dynamics Information Technology, Inc. ($96.6M), Deloitte Consulting LLP ($30.9M), Computercraft Corporation ($15.3M) received the most HHS obligations for engineering services.
How concentrated is this market?
The eight largest primes held 64.6% of positive obligations, and General Dynamics Information Technology, Inc. alone held 33.2%. 17 contractors won their first obligations in this market during the latest 12 months.
Are any large HHS NAICS 541330 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is 75FCMC23F0001 (General Dynamics Information Technology, Inc., $40.4M obligated), ending Nov 26, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
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$206.2MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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