Vendor, Silver Spring, MD, part of DLH Holdings Corp.
Social & Scientific Systems, Inc.
UEI XKMBEM2BTLK3, CAGE 8S542
56 awards and $22,623,792 obligated between January 5, 2026 and September 8, 2026, 98% under full and open competition, against 80.8 offers on average where reported. 1 of the awards trace back to a SAM.gov solicitation on this site.
Sells to
Awarding agencies by dollars.
Industries
NAICS on the awards, by dollars.
| Professional, Scientific, and Technical ServicesNAICS 541712 | $17,488,046 |
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)NAICS 541715 | $6,491,421 |
| Other Computer Related ServicesNAICS 541519 | $2,720,738 |
| Administrative Management and General Management Consulting ServicesNAICS 541611 | $1,805,381 |
| All Other Professional, Scientific, and Technical ServicesNAICS 541990 | -$254,517 |
| Research and Development in Biotechnology (except Nanobiotechnology)NAICS 541714 | -$425,815 |
| Research and Development in the Social Sciences and HumanitiesNAICS 541720 | -$5,201,461 |
How it wins
Awards by competition, set-aside and type.
| Full and Open Competition | 55 |
| Full and Open Competition After Exclusion of Sources | 1 |
| Delivery Order | 50 |
| Definitive Contract | 1 |
Solicitations it won
SAM.gov opportunities whose award USAspending attributes to this vendor.
- Notice of Intent to Sole Source - Clinical Research Support Services for NIEHS – Contract HHSN273201600002I – Extension of Ordering Period for IDIQ Contract
National Institutes of Health, National Institutes of Health Nichd
Special noticeNAICS 541715MarylandHHSN273201600002IAwarded to Social & Scientific Systems, Inc.
Posted Mar 4
Awards
Every award in the window, by dollars obligated.
| Contract | Awarding office | Described as | Obligated |
|---|---|---|---|
| 75N96018F00001Delivery Order, August 12, 2026, Full and Open Competition After Exclusion of Sources | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541715, PSC AZ11 | $5,725,421 |
| 75N96026F00007Delivery Order, June 30, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | Clin1: Protocol Development and Scientific Research; Clin2: Biospecimens and Laboratory Science; Clin3-Epidemiology, Biostatistics, and StatNAICS 541712, PSC AJ11 | $5,535,293 |
| 75N96022F00055Delivery Order, May 22, 2026, Full and Open Competition, 2 offers | National Institute of Health NiehsNational Institutes of Health | Statistical Support Services for Niehs in DNTP & DirNAICS 541611, PSC B529 | $2,399,496 |
| 75N98026F00008Delivery Order, September 1, 2026, Full and Open Competition | National Institutes of Health OlaoNational Institutes of Health | This Award Establishes Task Order 8, 75N98026F00008, for Clinical Research Unit (Cru) - Staffing Support Under Contract Hhsn273201600002i. tNAICS 541712, PSC AJ11 | $1,872,233 |
| 75N94022F00050Delivery Order, April 13, 2026, Full and Open Competition, 2 offers | National Institutes of Health NichdNational Institutes of Health | Niddk: Service: Service Agreement for Professional Services to Support Epidemiology Coordinating Committee: SeverableNAICS 541519, PSC R499 | $1,833,685 |
| 75N96021F00008Delivery Order, May 5, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | Task Order 8R - Clinical Research Unit (Cru) - Staffing Support - Exercise and Incrementally Fund Option Period FourNAICS 541712, PSC AJ11 | $1,708,987 |
| 75N96026F00006Delivery Order, June 30, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | Task Order: Scientific Oversight and Cohort Management: Clin1: Scientific Oversight and Cohort Management; Clin2: Data Warehousing and SecurNAICS 541712, PSC AJ11 | $1,500,392 |
| 75N98026F00002Delivery Order, September 1, 2026, Full and Open Competition | National Institutes of Health OlaoNational Institutes of Health | This Award Establishes Task Order 2, 75N98026F00002, for Data Management and Analytical Support Under Contract Hhsn273201600002i. the Task ONAICS 541712, PSC AJ11 | $1,419,085 |
| 75N98026F00001Delivery Order, September 1, 2026, Full and Open Competition | National Institutes of Health OlaoNational Institutes of Health | Award New Task Order 1 to Provide Administration Activities and Support (Core Function Activities) in Accordance with the Task Order StatemeNAICS 541712, PSC AJ11 | $996,534 |
| 75D30121F12211Delivery Order, January 15, 2026, Full and Open Competition, 4 offers | CDC Office of Acquisition ServicesCenters for Disease Control and Prevention | Dhap Data Management ServicesNAICS 541519, PSC DH01 | $887,053 |
| 75N98026F00005Delivery Order, September 1, 2026, Full and Open Competition | National Institutes of Health OlaoNational Institutes of Health | This Award Establishes Task Order 5, 75N98026F00005, for the Personalized Environment and Genes Study (Pegs) Under Contract Hhsn273201600002NAICS 541712, PSC AJ11 | $841,323 |
| 75N91023F00001Delivery Order, April 21, 2026, Full and Open Competition | NIH NCINational Institutes of Health | Reb Epidemiology and Dosimetry Studies of Radiation Related CancersNAICS 541715, PSC AN11 | $766,000 |
| 75N98026F00004Delivery Order, September 1, 2026, Full and Open Competition | National Institutes of Health OlaoNational Institutes of Health | This Award Establishes Task Order 4, 75N98026F00004, for Environmental Autoimmunity Group (Eag) - Study Support Under Contract Hhsn273201600NAICS 541712, PSC AJ11 | $724,191 |
| 75N96021F00002Delivery Order, May 26, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | Niehs: R&d: Administration Activities and Support (Core Function Activities): SeverableNAICS 541712, PSC AJ11 | $683,226 |
| 75N96025F00025Delivery Order, January 16, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Support the Continued Maintenance and Use of the Prospective Study of Risk Factors for Fibroids in a Population of Young African AmericanNAICS 541712, PSC AJ11 | $659,948 |
| 75N96021F00004Delivery Order, May 26, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | Niehs: R&d: Environmental Autoimmunity Group (Eag) - Study Support: SeverableNAICS 541712, PSC AJ11 | $414,580 |
| 75N96021F00005Delivery Order, June 30, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | Task Order 5R - Personalized Environment and Genes Study (Pegs) -- Administrative/Funding Mod Exercising FAR 52.217-8 to Extend Services ThrNAICS 541712, PSC AJ11 | $407,527 |
| 75N96021F00001Delivery Order, March 11, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | Task Order 1R - Administrative Modification to Revise Article B.5, Provisions Applicable to Direct Costs, to Increase the Authorized SecuredNAICS 541712, PSC AJ11 | $398,159 |
| 75N96024F00024Delivery Order, May 19, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | Task Order No.: 75N96024F00024 Research Development - Genr Metabolomics Study Data SupportNAICS 541712, PSC AJ11 | $277,933 |
| 75N98026F00003Delivery Order, September 1, 2026, Full and Open Competition | National Institutes of Health OlaoNational Institutes of Health | This Award Establishes Task Order 3, 75N98026F00003, for Protocol Development and Support Under Contract Hhsn273201600002i. the Task Order CNAICS 541712, PSC AJ11 | $215,098 |
| 75N98026F00006Delivery Order, September 1, 2026, Full and Open Competition | National Institutes of Health OlaoNational Institutes of Health | This Award Establishes Task Order 6, 75N98026F00006, for Asthma and Respiratory Disease Research (Ardr) Under Contract Hhsn273201600002i. thNAICS 541712, PSC AJ11 | $180,029 |
| 75N96021F00006Delivery Order, June 30, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | T.O. 6R - Asthma and Respiratory Disease Research (Ardr): Administrative/Funding Modification Exercising FAR 52.217-8 to Extend Services ThrNAICS 541712, PSC AJ11 | $89,411 |
| 75N96021F00003Delivery Order, May 26, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | Niehs: R&d: Protocol Development and Support: Task Order 3R: SeverableNAICS 541712, PSC AJ11 | $19,886 |
| 75N92019F00075Delivery Order, January 5, 2026, Full and Open Competition | National Institutes of Health NhlbiNational Institutes of Health | Gene Therapy Resource Program (Gtrp): Task Area C: Clinical Coordinating Center Scientific ActivitiesNAICS 541714, PSC AN11 | $0 |
| 75N96023F00022Delivery Order, January 20, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | Task Order 22: Generation R Metabolomics StudyNAICS 541712, PSC AJ11 | $0 |
| 140D0424D0037June 10, 2026, Full and Open Competition, 73 offers | Ibc Acq SVCS DirectorateDepartmental Offices | Eo 14398 Health & Human Services (Hhs) Administration Community Living (Acl) Indefinite-Delivery Indefinite-Quantity (Idiq)NAICS 541611, PSC R410 | $0 |
| 47QTCA19D00EEJanuary 28, 2026, Full and Open Competition, 999 offers | Gsa/Fas/Pshc/Prof SRVCS Sched-PssFederal Acquisition Service | Federal Supply Schedule ContractNAICS 541519, PSC D399 | $0 |
| HHSM500201400038IAugust 27, 2026, Full and Open Competition, 23 offers | Ofc of Acquisition and Grants MGMTCenters for Medicare and Medicaid Services | Rmada Umbrella IDIQNAICS 541720, PSC R499 | $0 |
| HHSN273201600002IMay 6, 2026, Full and Open Competition, 3 offersSolicitation | National Institute of Health NiehsNational Institutes of Health | Clinical Research Support Services for NiehsNAICS 541712, PSC AZ11 | $0 |
| HHSN273201600003IJune 30, 2026, Full and Open Competition, 3 offers | National Institute of Health NiehsNational Institutes of Health | Support Services for EpidemiologyNAICS 541712, PSC AZ11 | $0 |
| HHSN27300002Delivery Order, August 11, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541712, PSC AZ11 | -$66 |
| 75N96023F00001Delivery Order, August 5, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | FY26 Udo Initiative - Contract No.: Hhsn273201600002i - to 17 WhaNAICS 541712, PSC AJ11 | -$179 |
| 75N96021F00016Delivery Order, August 5, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | FY26 Udo Initiative - Task Order 16: Use of Inhaled Hyaluronan in Patients with Severe Covid-19NAICS 541712, PSC AJ11 | -$391 |
| 75N96021F00007Delivery Order, August 7, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541712, PSC AJ11 | -$512 |
| HHSN27300012Delivery Order, August 12, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541712, PSC AZ11 | -$1,572 |
| 75N96021F00003Delivery Order, August 11, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541712, PSC AJ11 | -$3,553 |
| 75N96021F00010Delivery Order, August 11, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541712, PSC AJ12 | -$4,922 |
| HHSN27300006Delivery Order, August 12, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541712, PSC AZ11 | -$5,647 |
| HHSN27300004Delivery Order, August 11, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541712, PSC AZ11 | -$10,629 |
| HHSN27300008Delivery Order, August 12, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541712, PSC AZ11 | -$11,278 |
| 75N96021F00015Delivery Order, August 5, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | FY26 Udo Initiative - Task Order 15: Niehs Sars-Cov-2 VaccinationNAICS 541712, PSC Q702 | -$19,203 |
| HHSN27300001Delivery Order, August 7, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541712, PSC AZ11 | -$22,885 |
| HHSN27300002Delivery Order, August 7, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541712, PSC AZ11 | -$30,795 |
| 75N96021F00002Delivery Order, May 6, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | Task Order 2R: Administrative Management and SupportNAICS 541712, PSC AJ11 | -$33,330 |
| 75N96021F00005Delivery Order, August 11, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541712, PSC AJ11 | -$35,058 |
| 75N96021F00004Delivery Order, August 7, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541712, PSC AJ11 | -$42,413 |
| HHSN27300005Delivery Order, August 11, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541712, PSC AZ11 | -$42,595 |
| 75N96021F00001Delivery Order, August 12, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | To Administratively De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in PreparatiNAICS 541712, PSC AJ11 | -$70,266 |
| 75N96020F00001Delivery Order, August 5, 2026, Full and Open Competition | National Institute of Health NiehsNational Institutes of Health | FY26 Udo Initiative - Task Order 13: Niehs Sars-Cov-2 (Covid-19) TestingNAICS 541712, PSC AZ11 | -$120,497 |
| HHSN273201600011CDefinitive Contract, September 8, 2026, Full and Open Competition, 1 offers | National Institute of Health NiehsNational Institutes of Health | To Administrate De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in Preparation fNAICS 541990, PSC B524 | -$254,517 |
| HHSP23337001TDelivery Order, August 17, 2026, Full and Open Competition, 7 offers | Program Support Center Acq MGMT SVCOffice of the Assistant Secretary for Administration | FY26 Udo InitiativeNAICS 541611, PSC R410 | -$271,959 |
| 75N96021F00109Delivery Order, September 8, 2026, Full and Open Competition, 1 offers | National Institute of Health NiehsNational Institutes of Health | To Administrate De-Obligate Unexpended and Expiring Fiscal Year 2021 Funding in Accordance with 31 U.S.C. Section 1552 (A), in Preparation fNAICS 541611, PSC B529 | -$322,157 |
| 75N92019F00074Delivery Order, June 30, 2026, Full and Open Competition | National Institutes of Health NhlbiNational Institutes of Health | Gene Therapy Resource Program (Gtrp) - Clinical Coordinating Center: Task Area a - Core Administrative ActivitiesNAICS 541714, PSC AN11 | -$425,815 |
| HHSM500T0001Delivery Order, July 31, 2026, Full and Open Competition, 5 offers | Ofc of Acquisition and Grants MGMTCenters for Medicare and Medicaid Services | CloseoutNAICS 541720, PSC R499 | -$1,178,824 |
| HHSM500T0003Delivery Order, July 31, 2026, Full and Open Competition, 4 offers | Ofc of Acquisition and Grants MGMTCenters for Medicare and Medicaid Services | Operations Support Contract for the Initiative to Reduce Avoidable Hospitalizations Among Nursing Facility Residents- Phase II Payment ReforNAICS 541720, PSC R499 | -$1,289,430 |
| HHSM500T0002Delivery Order, August 5, 2026, Full and Open Competition, 4 offers | Ofc of Acquisition and Grants MGMTCenters for Medicare and Medicaid Services | Demonstration EvaluationNAICS 541720, PSC R499 | -$2,733,208 |
- Places of performance
- MarylandNorth CarolinaGeorgia
- Product and service codes
- AJ11 General Science And Technology R&D Services; General Science And Technology; Basic ResearchAZ11 B529 Scientific Data StudiesDH01 Support services focused on local database instances, including DBAs, DBMS, and operational support. Also supports distributed platform, application and system integration resources enabling cross application development, communications and information sharing. Includes Mainframe database and middleware support.AN11 Health R&D Services; Health Care Services; Basic ResearchD399
- Transactions
- 83 across 56 awards