Top HHS research and development in the social sciences and humanities contractors
In the 12 months ending Oct 5, 2026, the Department of Health and Human Services obligated $376.4M in net prime contract dollars under NAICS 541720, up 102.3% from $186.0M in the preceding 12 months. 34 prime contractors received positive obligations, and 7 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 541720
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 | Mathematica Inc. | $108.5M | $61.8M | 28.0% | — |
| 2 | The Lewin Group, Inc. | $57.8M | $7.6M | 14.9% | ▲ 6 |
| 3 | National Opinion Research Center | $47.4M | $35.1M | 12.2% | ▼ 1 |
| 4 | Research Triangle Institute | $45.1M | −$10.3M | 11.6% | New |
| 5 | American Institutes for Research in the Behavioral Sciences | $32.0M | $17.7M | 8.3% | ▼ 2 |
| 6 | Acumen LLC | $14.1M | $16.1M | 3.6% | ▼ 2 |
| 7 | Deloitte Consulting LLP | $12.3M | $7.7M | 3.2% | — |
| 8 | ABT Global LLC | $11.4M | $5.5M | 2.9% | ▲ 2 |
| 9 | The Rand Corporation | $11.2M | −$3.5M | 2.9% | New |
| 10 | General Dynamics Information Technology, Inc. | $8.6M | $5.5M | 2.2% | ▲ 1 |
| 11 | Implenomics Llcs | $7.4M | $0 | 1.9% | New |
| 12 | Regents of the University of Michigan | $5.5M | $4.6M | 1.4% | — |
| 13 | Reli Group Inc | $4.6M | $9.3M | 1.2% | ▼ 7 |
| 14 | Econometrica, Inc. | $4.6M | $4.3M | 1.2% | ▼ 1 |
| 15 | Westat, Inc. | $3.6M | $7.0M | 0.9% | ▼ 6 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Research Triangle Institute−$10.3M → $45.1M (+$55.4M) · now #4
- The Lewin Group, Inc.$7.6M → $57.8M (+$50.2M) · now #2
- Mathematica Inc.$61.8M → $108.5M (+$46.6M) · now #1
Largest declines
- Fundacion Inciensa$12.2M → $1.7M (−$10.5M) · now #19
- Social & Scientific Systems, Inc.$0 → −$5.2M (−$5.2M) · no latest-period obligations
- Reli Group Inc$9.3M → $4.6M (−$4.7M) · now #13
New to this market
6 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Implenomics Llcs | Mar 17, 2026 | $7.4M |
| North Carolina Community Health Center Association | Jun 2, 2026 | $1.7M |
| Emory University | Sep 18, 2026 | $1.1M |
| Active Health Science LLC | Sep 18, 2026 | $425K |
| Nuru Consortium LLC | Sep 16, 2026 | $350K |
| National Academy of Sciences | Jul 1, 2026 | $25K |
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 | $353.3M | $162.9M | Up $190.4M (116.9%) |
| Centers for Disease Control and Prevention | $14.4M | $9.3M | Up $5.1M (54.8%) |
| Food and Drug Administration | $5.3M | $1.1M | Up $4.2M (394.0%) |
| National Institutes of Health | $3.4M | $13.6M | Down $10.2M (75.0%) |
| Office of the Assistant Secretary for Financial Resources | $97K | $0 | New |
| Substance Abuse and Mental Health Services Administration | $88K | $88K | Up $0 (0.0%) |
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 | Mathematica Inc. LEARNING COLLABORATIVES TO SUPPORT THE DEVELOPMENT OF HIGH PERFORMING STATE HEALTH COVERAGE PROGRAMS | $105.6M | Dec 12, 2026 |
| 75FCMC20F0001 | Reli Group Inc THE CENTER FOR MEDICARE AND MEDICAID INNOVATION (CMMI) SEEKS CONTRACT SUPPORT TO PROVIDE COMPLIANCE SERVICES FOR SEVERAL NEW HEALTHCARE MODELS INCLUDING: DIRECT CONTRACTING (DC)… | $44.0M | Dec 24, 2026 |
| 75FCMC24F0036 | The Lewin Group, Inc. STATES ADVANCING AHEAD MODEL IMPLEMENTATION TOTAL POP: 1/31/24 - 1/30/34 | $29.4M | Jan 30, 2027 |
| 75FCMC24F0070 | The Lewin Group, Inc. THE GUIDING AN IMPROVED DEMENTIA EXPERIENCE (GUIDE) MODEL IMPLEMENTATION AND MONITORING CONTRACT | $27.3M | Mar 24, 2027 |
| 75FCMC21F0001 | National Opinion Research Center MEDICARE CURRENT BENEFICIARY SURVEY (MCBS) | $125.7M | Apr 30, 2027 |
| 75FCMC24F0198 | Mathematica Inc. 1115 DEMONSTRATION SUPPORT - BASE YEAR | $37.5M | Sep 15, 2027 |
| 75FCMC23F0003 | Mathematica Inc. TECHNICAL ASSISTANCE AND ANALYTIC SUPPORT FOR THE MEDICAID AND CHIP QUALITY MEASUREMENT AND IMPROVEMENT PROGRAM | $48.0M | Sep 16, 2027 |
| 75FCMC22F0001 | ABT Global LLC STRATEGIC MEDICAID & CHIP MANAGED CARE MONITORING, OVERSIGHT, AND TECHNICAL ASSISTANCE | $36.8M | Sep 18, 2027 |
| 75FCMC22F0001 | General Dynamics Information Technology, Inc. THIS CONTRACT ACTION IS TO DETECT AND COMBAT FRAUD, WASTE, AND ABUSE IN ALL CENTERS FOR MEDICARE & MEDICAID SERVICES PROGRAMS. | $34.0M | Sep 26, 2027 |
| 75D30120C09732 | Research Triangle Institute NATIONAL SURVEY OF FAMILY GROWTH - NCHS -2020 | $30.0M | Dec 31, 2027 |
Common questions
Who are the top HHS contractors for NAICS 541720?
In the latest 12 months, Mathematica Inc. ($108.5M), The Lewin Group, Inc. ($57.8M), National Opinion Research Center ($47.4M) received the most HHS obligations for research and development in the social sciences and humanities.
How concentrated is this market?
The eight largest primes held 84.7% of positive obligations, and Mathematica Inc. alone held 28.0%. 6 contractors won their first obligations in this market during the latest 12 months.
Are any large HHS NAICS 541720 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 (Mathematica Inc., $105.6M obligated), ending Dec 12, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
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$14.3MFigures 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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