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GSA Federal Acquisition Service
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For general questions, contact:

Phone: (800) 488-3111
E-mail: oasis@gsa.gov
OASIS 8A One Acquisition Solution for Integrated Services - 8(a) - The OASIS 8(a) Program is composed of multiple award indefinite delivery/indefinite quantity (MA-IDIQ) contracts. The contract consists of a base period of five (5) years with one (1) five-year option period. All Pools described below and all contracts are Set Aside for 8(a) Businesses Only. The purpose of OASIS 8(a) is to meet the needs of customers with complex integrated professional service based requirements who cannot use, or find difficulty using, the MAS Schedules, Government-wide Acquisition contracts (GWACs), or other existing vehicles for a solution. Complex integrated professional services based requirements are those that:
-Involve multiple professional services disciplines;
-Involve significant IT components, but are not IT requirements;
-Involve ancillary support services and supplies (commonly referred to as Other Direct Costs - ODCs);
-Involve commercial or non commercial services, or a blend of both;
-Require consideration of all Federal Acquisition Regulation (FAR) Part 16 pricing alternatives, including fixed-price with or without incentives, cost-reimbursement (all types),Time-and-Material, Labor-Hour, or combinations of these alternatives, to fairly allocate risk between the contractor and Government
-Require blending of all or some of the above.

Please read the OASIS Ordering Guide for more details on how to order under OASIS. To download the OASIS Ordering Guide, please visit the OASIS website

OASIS 8A Category list:

Download Contractors (Excel)
Category Description
OASIS 8A P1 Management/Scientific/Technical Services - $16.5M Business Size Standard - This Pool comprises efforts primarily engaged in applying physical laws and principles of engineering in the design, development, and utilization of machines, materials, instruments, structures, processes, and systems. The assignments undertaken under this Pool may involve any of the following activities: provision of advice, preparation of feasibility studies, preparation of preliminary and final plans and designs, provision of technical services during the construction or installation phase, inspection, and evaluation of engineering projects, and related services. For example, the scope of this Pool covers Engineering, Mapping, Testing, Management/Business Consulting, Human Resources, Marketing/Public Relations, Logistics Consulting, Environmental, and all Other Professional/Scientific/Technical services. Awardees consist of only 8(a) small businesses. All orders issued under OASIS 8(a) are automatically considered set-aside for 8(a) Program Participants as only 8(a) Program Participants were awarded an OASIS 8(a) contract.

NAICS CODE NAICS TITLE
541330 Engineering Services
541360 Geophysical Surveying and Mapping Services
541370 Surveying And Mapping (Except Geophysical) Services
541380 Testing Laboratories
541611 Administrative Management and General Management Consulting Services
541612 Human Resources Consulting Services
541613 Marketing Consulting Services
541614 Process, Physical Distribution, and Logistics Consulting Services
541618 Other Management Consulting Services
541620 Environmental Consulting Services
541690 Other Scientific and Technical Consulting Services
541810 Advertising Agencies
541820 Public Relations Agencies
541830 Media Buying Agencies
541840 Media Representatives
541850 Outdoor Advertising
541860 Direct Mail Advertising
541870 Advertising Material Distribution Services
541890 Other Services Related to Advertising
541910 Marketing Research and Public Opinion Polling
541990 All Other Professional, Scientific, and Technical Services
OASIS 8A P2 Financial/Accounting Services - $22M Business Size Standard - 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 SubPool covers Accounting and Social Sciences/Humanities R&D services. Awardees consist of only 8(a) small businesses. All orders issued under OASIS 8(a) are automatically considered set-aside for 8(a) Program Participants as only 8(a) Program Participants were awarded an OASIS 8(a) contract.

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
OASIS 8A P3 Military/Marine/Energy Engineering - $41.5M Business Size Standard - This Pool comprises efforts primarily engaged in applying physical laws and principles of engineering in the design, development, and utilization of machines, materials, instruments, structures, processes, and systems. The assignments undertaken by this Pool may involve any of the following activities: provision of advice, preparation of feasibility studies, preparation of preliminary and final plans and designs, provision of technical services during the construction or installation phase, inspection and evaluation of engineering projects, and related services. For example, the scope of this Pool covers Military/Aerospace Engineering, Energy Policy Act Engineering, and Marine Engineering services. Awardees consist of only 8(a) small businesses. All orders issued under OASIS 8(a) are automatically considered set-aside for 8(a) Program Participants as only 8(a) Program Participants were awarded an OASIS 8(a) contract.

NAICS CODE NAICS TITLE

541330 Exception A Engineering for Military and Aerospace Equipment and Military Weapons
541330 Exception B Engineering for Contracts and Subcontracts for Engineering Services Awarded Under the National Energy Policy Act of 1992
541330 Exception C Engineering for Marine Engineering and Naval Architecture
OASIS 8A P4 Scientific Research and Development (R&D) - 1,000 Employee Business Size Standard - This Pool comprises efforts primarily engaged in conducting research and experimental development in the physical, engineering, and life sciences, such as agriculture, electronics, environmental, biology, botany, computers, chemistry, food, fisheries, forests, geology, health, mathematics, medicine, oceanography, pharmacy, physics, veterinary, and other allied subjects. For example, this scope covers R&D in the Sciences services. Awardees consist of only 8(a) small businesses. All orders issued under OASIS 8(a) are automatically considered set-aside for 8(a) Program Participants as only 8(a) Program Participants were awarded an OASIS 8(a) contract.

NAICS CODE NAICS TITLE

541713 Research and Development in Nanotechnology
541714 Research and Development in Biotechnology (except Nanobiotechnology)
541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
OASIS 8A P5B Space and Missiles Research and Development (R&D) - 1,250 Employee Business Size Standard - This Pool comprises efforts primarily engaged in R&D of Space Vehicles and Guided Missiles and auxiliary equipment and propulsion. Awardees consist of only 8(a) businesses. All orders issued under OASIS 8(a) are automatically considered set-aside for 8(a) Program Participants as only 8(a) Program Participants were awarded an OASIS 8(a) contract.

NAICS CODE NAICS TITLE

541715 Exception C Guided Missiles and Space Vehicles, Their Propulsion Units and Propulsion Parts


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