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
34 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 (301)401-3440 RESTON ,VA o
AVANTUS FEDERAL LLC 47QRAD19DU205 (571)551-2726 MCLEAN ,VA o
KPMG LLP 47QRAD19DU208 (571)695-5019 MCLEAN ,VA o
BOOZ ALLEN HAMILTON INC. GS00Q14OADU203 (703)377-4359 MCLEAN ,VA o
GUIDEHOUSE INC. GS00Q14OADU214 (703)656-6381 MCLEAN ,VA o
GUIDEHOUSE INC. GS00Q14OADU216 (703)656-6381 MCLEAN ,VA o
LOCKHEED MARTIN CORPORATION GS00Q14OADU212 (703)367-6636 MANASSAS ,VA o
MANTECH MGS, INC. 47QRAD19DU207 (703)218-6440 HERNDON ,VA o
PERATON INC. GS00Q14OADU215 (703)637-3807 HERNDON ,VA o
SERCO INC. GS00Q14OADU219 (703)263-6000 HERNDON ,VA o
OPTUM PUBLIC SECTOR SOLUTIONS, INC. 47QRAD19DU202 (301)977-7884 FALLS CHURCH ,VA o
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS00Q14OADU207 (703)995-3733 FALLS CHURCH ,VA o
ECS FEDERAL, LLC GS00Q14OADU206 (571)232-1412 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
AMERICAN INSTITUTES FOR RESEARCH IN THE BEHAVIORAL SCIENCES 47QRAD19DU206 (443)259-5220 ARLINGTON ,VA o
FORS MARSH GROUP LLC 47QRAD21DU200 (571)303-2895 ARLINGTON ,VA o
ACCENTURE FEDERAL SERVICES LLC GS00Q14OADU202 (703)457-2258 ARLINGTON ,VA o
DELOITTE CONSULTING LLP GS00Q14OADU204 (703)251-1143 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 INC. 47QRAD19DU209 (609)799-3535 PRINCETON ,NJ o
RESEARCH TRIANGLE INSTITUTE GS00Q14OADU217 (919)541-6624 RESEARCH TRIANGLE P ,NC o
WESTAT, INC. GS00Q14OADU223 (301)294-3941 ROCKVILLE ,MD o
CREATIVE ASSOCIATES INTERNATIONAL, INC. 47QRAD19DU204 (202)344-6547 CHEVY CHASE ,MD o
THE MIL CORPORATION GS00Q14OADU221 (301)805-8500 BOWIE ,MD o
INTERNATIONAL BUSINESS MACHINES CORPORATION GS00Q14OADU224 (703)850-8032 BETHESDA ,MD o
NATIONAL OPINION RESEARCH CENTER GS00Q14OADU213 (312)759-5240 CHICAGO ,IL o
TECOLOTE RESEARCH, INC. 47QRAD19DU210 (805)571-6366 GOLETA ,CA o
TEKSOUTH CORPORATION GS00Q14OADU220 (205)631-1500 GARDENDALE ,AL o