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*Attention MAS Customers: Any contracts identified with an * are currently closed to new orders and NO new awards can be made. This DOES NOT affect any existing orders - existing orders for these contracts may continue.

Contract #: 47QTCA19D00EE GS-00F-173CA * Contractor: SOCIAL & SCIENTIFIC SYSTEMS, INC. Address: 8757 GEORGIA AVE STE 1200 SILVER SPRING, MD 20910-3739 Phone: 301-628-3000 E-Mail: rmiller@s-3.com Web Address: http://www.s-3.com SAM UEI: XKMBEM2BTLK3 NAICS: 541519 Socio-Economic : Other Than Small Business Current Option Period End Date : Jun 26, 2029 Ultimate Contract End Date : Jun 26, 2039 Govt. POC: Christopher D. Banks 404-357-1175 christopher.banks@gsa.gov Terms & Conditions + Price List Contract Clauses/Exceptions: View the specifics for this contract EPLS : Contractor not found on the Excluded Parties List System Source Title Contract Number Terms & Conditions / Price List Current Option Period End Date Ultimate Contract End Date Category    View Catalog MAS Multiple Award Schedule 47QTCA19D00EE Terms & Conditions + Price List Jun 26, 2029 Jun 26, 2039 518210C 54151S 541611 541613 ANCILLARY OLM

Additional Contracts held by this contractor. To view more details of a contract, click the Contract Number below.

Source Title Contract Number Terms & Conditions / Price List Current Option Period End Date Ultimate Contract End Date Category    View Catalog MAS Multiple Award Schedule GS-00F-173CA * Terms & Conditions + Price List Jun 14, 2025 Jun 14, 2035 541611 541613 OLM