GSA Federal Acquisition Service
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For general questions, contact:
Samantha Davis
Phone: (800) 488-3111
E-mail: oasis@gsa.gov

OASIS One Acquisition Solution for Integrated Services (OASIS)
Category Description
OASIS POOL2 OASIS Pool 2 - Financial/Accounting Services This Pool comprises efforts (except offices of CPAs) engaged in providing accounting services (except tax return preparation services only or payroll services only). These efforts may also provide tax return preparation or payroll services. For example, the scope of this Pool covers Accounting and Social Sciences/Humanities R&D services.

OASIS P2 ($22M Business Size Standard)

NAICS CODE NAICS TITLE
541211 Offices of Certified Public Accountants
541213 Tax Preparation Services
541214 Payroll Services
541219 Other Accounting Services
541720 Research and Development in the Social Sciences and Humanities
35 contractors

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Search Contractor T&Cs/Pricelist
Contractor Contract # Phone City, State Socio-
Economic
WESTAT, INC. GS00Q14OADU223 (301)294-3941 ROCKVILLE ,MD o
UNISYS CORPORATION GS00Q14OADU222 (703)439-5664 RESTON ,VA o
THE MIL CORPORATION GS00Q14OADU221 (301)805-8500 BOWIE ,MD o
TEKSOUTH CORPORATION GS00Q14OADU220 (205)631-1500 GARDENDALE ,AL o
TECOLOTE RESEARCH, INC. 47QRAD19DU210 (805)571-6366 GOLETA ,CA o
SERCO INC. GS00Q14OADU219 (703)939-6671 HERNDON ,VA o
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION GS00Q14OADU218 (703)676-2612 RESTON ,VA o
RESEARCH TRIANGLE INSTITUTE GS00Q14OADU217 (919)541-6634 RESEARCH TRIANGLE P ,NC o
PALMETTO GBA, LLC 47QRAD19DU203 (803)763-5766 COLUMBIA ,SC o
OPTUM PUBLIC SECTOR SOLUTIONS, INC. 47QRAD19DU202 (703)269-5684 FALLS CHURCH ,VA o
NORTHROP GRUMMAN SYSTEMS CORPORATION GS00Q14OADU215 (703)713-4588 MCLEAN ,VA o
NATIONAL OPINION RESEARCH CENTER GS00Q14OADU213 (312)201-4462 CHICAGO ,IL o
MATHEMATICA POLICY RESEARCH, INC. 47QRAD19DU209 (609)799-3535 PRINCETON ,NJ o
LOCKHEED MARTIN CORPORATION GS00Q14OADU212 (703)367-6636 MANASSAS ,VA o
LEIDOS, INC. GS00Q14OADU211 (571)526-7085 RESTON ,VA o
KPMG LLP 47QRAD19DU208 (703)541-8764 MCLEAN ,VA o
KFORCE GOVERNMENT SOLUTIONS, INC. 47QRAD19DU207 (703)218-6440 HERNDON ,VA o
KEARNEY & COMPANY, P.C. GS00Q14OADU210 (703)931-5600 ALEXANDRIA ,VA o
INTERNATIONAL BUSINESS MACHINES CORPORATION GS00Q14OADU224 (703)850-8032 BETHESDA ,MD o
IMPAQ INTERNATIONAL LLC 47QRAD19DU206 (443)259-5158 COLUMBIA ,MD o
ICF INCORPORATED, L.L.C. GS00Q14OADU209 (703)934-3632 FAIRFAX ,VA o
GUIDEHOUSE LLP GS00Q14OADU216 (703)656-6381 MCLEAN ,VA o
GUIDEHOUSE INC. GS00Q14OADU214 (703)656-6381 MCLEAN ,VA o
GRANT THORNTON PUBLIC SECTOR LLC GS00Q14OADU208 (703)862-5956 ARLINGTON ,VA o
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS00Q14OADU207 (703)995-3733 FAIRFAX ,VA o
ERNST & YOUNG LLP 47QRAD19DU201 (703)747-0048 WASHINGTON ,DC o
ENGILITY CORPORATION GS00Q14OADU205 (301)401-3440 ANDOVER ,MA o
ECS FEDERAL, INC. GS00Q14OADU206 (571)232-1412 FAIRFAX ,VA o
E3 FEDERAL SOLUTIONS, LLC 47QRAD19DU205 (571)551-2726 MCLEAN ,VA o
DELOITTE CONSULTING LLP GS00Q14OADU204 (703)251-1642 ARLINGTON ,VA o
CREATIVE ASSOCIATES INTERNATIONAL, INC. 47QRAD19DU204 (202)244-9325 WASHINGTON ,DC o
CGI FEDERAL INC. GS00Q14OADU225 (703)227-4882 FAIRFAX ,VA o
BOOZ ALLEN HAMILTON INC. GS00Q14OADU203 (703)377-4359 MCLEAN ,VA o
BATTELLE MEMORIAL INSTITUTE GS00Q14OADU201 (410)306-8673 COLUMBUS ,OH o
ACCENTURE FEDERAL SERVICES LLC GS00Q14OADU202 (571)414-4033 ARLINGTON ,VA o