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
LEIDOS, INC. GS00Q14OADU211 (571)526-7085 RESTON ,VA o
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION GS00Q14OADU218 (703)676-2612 RESTON ,VA o
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION GS00Q14OADU222 (571)430-2807 RESTON ,VA o
E3 FEDERAL SOLUTIONS, LLC 47QRAD19DU205 (571)551-2726 MCLEAN ,VA o
KPMG LLP 47QRAD19DU208 (703)541-8764 MCLEAN ,VA o
BOOZ ALLEN HAMILTON INC. GS00Q14OADU203 (703)377-4359 MCLEAN ,VA o
GUIDEHOUSE INC. GS00Q14OADU214 (703)656-6381 MCLEAN ,VA o
NORTHROP GRUMMAN SYSTEMS CORPORATION GS00Q14OADU215 (703)713-4588 MCLEAN ,VA o
GUIDEHOUSE LLP GS00Q14OADU216 (703)656-6381 MCLEAN ,VA o
LOCKHEED MARTIN CORPORATION GS00Q14OADU212 (703)367-6636 MANASSAS ,VA o
KFORCE GOVERNMENT SOLUTIONS, INC. 47QRAD19DU207 (703)218-6440 HERNDON ,VA o
SERCO INC. GS00Q14OADU219 (703)939-6671 HERNDON ,VA o
OPTUM PUBLIC SECTOR SOLUTIONS, INC. 47QRAD19DU202 (301)977-7884 FALLS CHURCH ,VA o
ECS FEDERAL, INC. GS00Q14OADU206 (571)232-1412 FAIRFAX ,VA o
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS00Q14OADU207 (703)995-3733 FAIRFAX ,VA o
ICF INCORPORATED, L.L.C. GS00Q14OADU209 (703)934-3632 FAIRFAX ,VA o
CGI FEDERAL INC. GS00Q14OADU225 (703)227-4882 FAIRFAX ,VA o
ACCENTURE FEDERAL SERVICES LLC GS00Q14OADU202 (571)414-4033 ARLINGTON ,VA o
DELOITTE CONSULTING LLP GS00Q14OADU204 (703)251-1642 ARLINGTON ,VA o
GRANT THORNTON PUBLIC SECTOR LLC GS00Q14OADU208 (703)862-5956 ARLINGTON ,VA o
KEARNEY & COMPANY, P.C. GS00Q14OADU210 (703)931-5600 ALEXANDRIA ,VA o
PALMETTO GBA, LLC 47QRAD19DU203 (803)763-5766 COLUMBIA ,SC o
BATTELLE MEMORIAL INSTITUTE GS00Q14OADU201 (410)306-8673 COLUMBUS ,OH o
ERNST & YOUNG LLP 47QRAD19DU201 (703)747-0049 NEW YORK ,NY o
MATHEMATICA POLICY RESEARCH, INC. 47QRAD19DU209 (609)799-3535 PRINCETON ,NJ o
RESEARCH TRIANGLE INSTITUTE GS00Q14OADU217 (919)541-6634 RESEARCH TRIANGLE P ,NC o
WESTAT, INC. GS00Q14OADU223 (301)294-3941 ROCKVILLE ,MD o
IMPAQ INTERNATIONAL LLC 47QRAD19DU206 (443)259-5158 COLUMBIA ,MD o
THE MIL CORPORATION GS00Q14OADU221 (301)805-8500 BOWIE ,MD o
INTERNATIONAL BUSINESS MACHINES CORPORATION GS00Q14OADU224 (703)850-8032 BETHESDA ,MD o
ENGILITY CORPORATION GS00Q14OADU205 (301)401-3440 ANDOVER ,MA o
NATIONAL OPINION RESEARCH CENTER GS00Q14OADU213 (312)201-4462 CHICAGO ,IL o
CREATIVE ASSOCIATES INTERNATIONAL, INC. 47QRAD19DU204 (202)244-9325 WASHINGTON ,DC o
TECOLOTE RESEARCH, INC. 47QRAD19DU210 (805)571-6366 GOLETA ,CA o
TEKSOUTH CORPORATION GS00Q14OADU220 (205)631-1500 GARDENDALE ,AL o