All HHS markets
NAICS 541690 · Other Scientific and Technical Consulting Services

Top HHS other scientific and technical consulting services contractors

In the 12 months ending Oct 5, 2026, the Department of Health and Human Services obligated $552.5M in net prime contract dollars under NAICS 541690, up 37.4% from $402.2M in the preceding 12 months. 138 prime contractors received positive obligations, and 21 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.

Net obligations, latest 12 months
$552.5M
up 37.4% vs. $402.2M
Prime contractors
138
With positive obligations
Top 8 primes’ share
54.1%
Of positive obligations
Awards with activity
1,432
994 in the prior 12 months

Obligations by fiscal year

Net prime contract obligations by federal fiscal year (October to September).

FY2022
$589.4M
FY2023
$626.2M
FY2024
$574.5M
FY2025
$402.2M
FY2026
$552.5M

Top HHS contractors for NAICS 541690

Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.

Top contractors, HHS NAICS 541690
#ContractorLatest 12 moPrior 12 moShareRank change
1Kelly Services, Inc.$104.6M$105.9M18.4%—
2GAP Solutions, Inc.$46.3M$29.1M8.2%▲ 1
3Axle Informatics, LLC$38.0M$32.0M6.7%▼ 1
4Harvard Pilgrim Health Care, Inc.$32.9M−$206K5.8%New
5Essex Management LLC$26.3M$18.3M4.6%▼ 1
6Guidehouse Digital LLC$23.8M$12.3M4.2%▲ 2
7Xprestest Inc.$18.8M$03.3%New
8National Academy of Sciences$16.1M−$699K2.8%New
9Goldbelt Professional Services, LLC$15.9M$5.0M2.8%▲ 11
10National Opinion Research Center$15.9M$11.9M2.8%▼ 1
11Yale New Haven Health Services Corporation$15.8M$13.3M2.8%▼ 4
12Acumen LLC$14.3M$6.8M2.5%▲ 4
13Westat, Inc.$14.1M−$159K2.5%New
14Booz Allen Hamilton Inc$13.4M$17.6M2.4%▼ 9
15Research Triangle Institute$13.2M$13.9M2.3%▼ 9

What changed in the last 12 months

Contractors with the largest change in reported obligations versus the preceding 12 months.

Largest gains

  • Harvard Pilgrim Health Care, Inc.
    −$206K → $32.9M (+$33.1M) · now #4
  • Xprestest Inc.
    $0 → $18.8M (+$18.8M) · now #7
  • GAP Solutions, Inc.
    $29.1M → $46.3M (+$17.1M) · now #2

Largest declines

  • Chippewa Government Solutions, LLC
    $8.3M → −$41K (−$8.4M) · no latest-period obligations
  • Booz Allen Hamilton Inc
    $17.6M → $13.4M (−$4.2M) · now #14
  • Propharma Group LLC
    $0 → −$3.6M (−$3.6M) · no latest-period obligations

New to this market

26 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:

New contractors
ContractorFirst obligationLatest 12 mo
Harvard Pilgrim Health Care, Inc.Mar 26, 2026$32.9M
Xprestest Inc.Jul 6, 2026$18.8M
Health Level Seven International Inc.Sep 28, 2026$4.5M
Hendall IncFeb 11, 2026$3.3M
The Rand CorporationSep 28, 2026$1.4M
CHN NebraskaSep 25, 2026$976K
Davis Professional Services, LLCApr 23, 2026$723K
Versar, Inc.Jul 14, 2026$694K

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-agencies
Funding sub-agencyLatest 12 moPrior 12 moChange
National Institutes of Health$297.5M$246.6MUp $50.9M (20.6%)
Centers for Medicare and Medicaid Services$90.0M$93.7MDown $3.8M (4.0%)
Food and Drug Administration$57.5M$7.8MUp $49.7M (640.0%)
Centers for Disease Control and Prevention$56.8M$25.8MUp $31.1M (120.5%)
Office of the Assistant Secretary for Financial Resources$14.4M$0New
Agency for Healthcare Research and Quality$14.0M$10.8MUp $3.2M (29.7%)

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.

Awards ending in the next 18 months
AwardIncumbentObligatedCurrent end
75FCMC24F0011
ABT Global LLC
HOME HEALTH QUALITY MEASUREMENT, VALUE-BASED PURCHASING MODEL AND HOSPICE ASSESSMENT INSTRUMENTS DEVELOPMENT AND MAINTENANCE
$20.4MNov 18, 2026
75N93023C00004
Systex, Inc
CLINICAL RESEARCH DATA MANAGEMENT AND SYSTEMS SUPPORT
$22.6MNov 30, 2026
75FCMC24F0042
Yale New Haven Health Services Corporation
MIDS DEVELOPMENT, REEVALUATION AND IMPLEMENTATION OF OUTCOME/EFFICIENCY MEASURES FOR HOSPITAL AND ELIGIBLE CLINICIANS
$31.1MJan 23, 2027
75Q80123F32002
National Opinion Research Center
HEALTHCARE COST AND UTILIZATION PROJECT (HCUP) CLIN 0002 BASE AWARD
$33.7MFeb 20, 2027
75S20122C00002
Research Triangle Institute
THE PURPOSE OF THIS CONTRACT IS TO PROVIDE THE DIVISION OF WORKPLACE PROGRAMS (DWP) WITH A CONTRACTOR THAT WILL SATISFY ALL THE REQUIREMENTS FOR THE NATIONAL LABORATORY…
$21.4MMar 1, 2027
140D0423F0341
Booz Allen Hamilton Inc
DIGITAL COMMUNICATIONS SERVICES & SUPPORT (DCSS)
$25.7MMar 13, 2027
75FCMC24F0085
Health Services Advisory Group, Inc.
MIDS IDIQ TASK ORDER AWARD FOR INPATIENT AND OUTPATIENT HEALTHCARE QUALITY SYSTEMS DEVELOPMENT AND PROGRAM SUPPORT
$22.0MMay 15, 2027
75N91023F00001
Mriglobal
CENTRALIZED CHEMOPREVENTIVE AGENT REPOSITORY AND CHEMISTRY SUPPORT
$21.3MJun 30, 2027
75FCMC24F0121
Research Triangle Institute
MIDS IDIQ TASK ORDER AWARD FOR DEVELOPMENT, MAINTENANCE, AND SUPPORT FOR QUALITY REPORTING AND VALUE BASED PURCHASING PROGRAMS AND NURSING HOME CARE COMPARE
$22.0MJul 3, 2027
75F40126C00029
Harvard Pilgrim Health Care, Inc.
SENTINEL 2.0 BRIDGE CONTRACT
$32.9MSep 28, 2027

Common questions

Who are the top HHS contractors for NAICS 541690?

In the latest 12 months, Kelly Services, Inc. ($104.6M), GAP Solutions, Inc. ($46.3M), Axle Informatics, LLC ($38.0M) received the most HHS obligations for other scientific and technical consulting services.

How concentrated is this market?

The eight largest primes held 54.1% of positive obligations, and Kelly Services, Inc. alone held 18.4%. 26 contractors won their first obligations in this market during the latest 12 months.

Are any large HHS NAICS 541690 contracts ending soon?

10 of the largest awards in this market reach their current end date in the next 18 months. The first is 75FCMC24F0011 (ABT Global LLC, $20.4M obligated), ending Nov 18, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.

Related markets

Figures 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.

Ready to win more?

Ready to connect your pursuit work?

GovEagle gives BD directors, capture managers, and proposal teams one AI workspace from pipeline through proposal, with CMMC/FedRAMP Certified compliance built in.