PrimeRFP SCOUT · Federal Contract Recompete Brief

75N96018F00001SISTER STUDY: TASK ORDER 01 - — Social & Scientific Systems, Inc

Social & Scientific Systems, Inc holds $109.4M across 75 federal awards, concentrated at Department of Health and Human Services (HHS). This PIID sits alongside 1 related award under parent 75N96018D00005. PoP ended Aug 22, 2026 — the usual 12–18 month planning window is closed; recompete action looks late or overdue.

National Institute Of Health Niehs
Awarding office
Social & Scientific Systems, Inc
Recipient
Aug 22, 2026
PoP end
$36.6M
Obligated
541715
NAICS
AZ11
PSC

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Contract facts

Federal
Contract number75N96018F00001
Also listed as75N96018D00005-75N96018F00001
AgencyNational Institute Of Health Niehs
Awarding officeNational Institute Of Health Niehs
IncumbentSocial & Scientific Systems, Inc
UEIXKMBEM2BTLK3
NAICS541715
PSCAZ11
Parent IDIQ / IDV75N96018D00005
Place of performanceDURHAM, NC
Related solicitationNIHES201800001
PoP end (current)Aug 22, 2026
Obligated$36.6M

THE SISTER STUDY: TASK ORDER 01 - CORE ACTIVITIES is a federal award for National Institute Of Health Niehs held by Social & Scientific Systems, Inc. Estimated value $56.3M ($36.6M obligated). Current period of performance ends Aug 22, 2026. Place of performance: DURHAM, NC. Related solicitation NIHES201800001.

THE SISTER STUDY: TASK ORDER 01 - CORE ACTIVITIES

Recompete timing

Public
● Past PoP end (41 days ago)

Current PoP ended Aug 22, 2026 (41 days ago). The usual 12–18 month agency planning window is closed — recompete action looks late / overdue relative to a normal cycle. Watch for bridge orders, follow-ons, or a new solicitation.

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Incumbent footprint

Public record

Social & Scientific Systems, Inc — $109.4M obligated across 75 awards (firm-wide, all agencies) · lead buyer Department of Health and Human Services (HHS).

% of firm-wide obligated ($109.4M) · all agencies
Department of Health and Human Services (HHS)$102.6M · 94%
Agency for International Development (USAID)$6.9M · 6%
Department of the Interior (DOI)$500 · 0%
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Related awards

Same parent · incumbent
75N96018F00002
TASK ORDER 02 AWARD - "CHRONIC DISEASE VALIDATION & ANALYSES IN THE SISTER STUDY"
Department of Health and Human Services (HHS) · SOCIAL & SCIENTIFIC SYSTEMS, INC.
$20.4M
Jul 22, 2030

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Frequently asked questions

What is contract 75N96018F00001?

75N96018F00001 (SISTER STUDY: TASK ORDER 01 -) is a National Institute Of Health Niehs award with an estimated value of $56.3M, currently held by Social & Scientific Systems, Inc. Figures are USASpending-sourced public-record facts plus SCOUT recompete analysis.

Which office awarded 75N96018F00001?

National Institute Of Health Niehs awarded 75N96018F00001 to Social & Scientific Systems, Inc.

Who is the incumbent on 75N96018F00001?

Social & Scientific Systems, Inc is the incumbent with $109.4M across 75 related awards in SCOUT’s public footprint. The current period of performance ends Aug 22, 2026.

When does Social & Scientific Systems, Inc’s 75N96018F00001 come up for recompete?

SCOUT tracks a period-of-performance end of Aug 22, 2026. Actual solicitation timing can shift with extensions, bridges, or consolidations.

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Data: Showing contracts ≥ $100K from federal procurement records (FPDS-NG, SAM.gov, and related repositories), normalized by PrimeRFP SCOUT. Each row keyed by Award ID (PIID); task orders appear as independent rows.

Data as of · refreshed monthlyLatest procurement action
Sources: USASpending, FPDS, SAM.gov · Public-record facts + SCOUT analysis shown above; personalized scoring in SCOUT.
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