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GSA Federal Acquisition Service
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For general questions, contact:
OASIS+ Program Office
Call: 800-488-3111
Email: oasisplus@gsa.gov
OASIS+8A OASIS+ 8(a) - One Acquisition Solution for Integrated Services Plus (OASIS+) - OASIS+ is a governmentwide contract program designed to meet government agencies mission needs for a full range of service requirements that integrate multiple service disciplines and ancillary services and products. The program consists of six separate, distinct IDIQ contracts designated under the following small-business set-aside programs, including an additional IDIQ that will be awarded on an unrestricted basis:

- Total Small Business (SB)
- Small Business Administration (SBA) Certified 8(a) Small Business (8a)
- SBA-Certified HUBZone Small Business (HZ)
- SBA-Certified Service-Disabled Veteran-Owned Small Business (SDVOSB)
- SBA-Certified Women-Owned Small Business (WOSB)
- Unrestricted (UR)

OASIS+ features:

- Flexible, expandable Domain-based structure with fair-opportunity groupings across six contract families, five of which are SB and socioeconomic set-asides
- Global access to all contract types for commercial and non-commercial services acquisitions, including a hybrid of the two
- No contract ceiling or cap on awards (contract and task-order level)
- Technology-based ordering and market-research tools are planned and will support customers with using the contracts
- Industrial base of highly qualified contractors
- 10-year order period (base of five-year and one five-year option period)
- Frequent on-ramping after initial award
- FAR Subpart 16.505 streamlined acquisition procedures

OASIS+8A Category list:

Download Contractors as: .XLS File | .CSV File To see Download Instructions/information click here
OASIS+ 8(a) - Environmental
Category Description
20601 NAICS 541330 - Environmental - NAICS 541330 - Engineering Services; Size Standard: $25.5 Million
20602 NAICS 541360 - Environmental - NAICS 541360 - Geophysical Surveying and Mapping Services; Size Standard: $28.5 Million
20603 NAICS 541380 - Environmental - NAICS 541380 - Testing Laboratories; Size Standard: $19 Million
20604 NAICS 541620 - Environmental - NAICS 541620 - Environmental Consulting Services; Size Standard: $19 Million
20605 NAICS 541690 - Environmental - NAICS 541690 - Other Scientific and Technical Consulting Services; Size Standard: $19 Million
20606 NAICS 541990 - Environmental - NAICS 541990 - All Other Professional, Scientific and Technical Services; Size Standard: $19.5 Million
20607 NAICS 561210 - Environmental - NAICS 561210 - Facilities Support Services; Size Standard: $47 Million
20608 NAICS 562112 - Environmental - NAICS 562112 - Hazardous Waste Collection; Size Standard: $47 Million
20609 NAICS 562211 - Environmental - NAICS 562211 - Hazardous Waste Treatment and Disposal; Size Standard: $47 Million
20610 NAICS 562910 - Environmental - NAICS 562910 - Remediation Services; Size Standard: $25 Million
20611 NAICS 562910 Ex - Environmental - NAICS 562910 Exception - Environmental Remediation Services; Size Standard: 1,000 Employees
OASIS+ 8(a) - Facilities
Category Description
20701 NAICS 238160 - Facilities - NAICS 238160 - Roofing Contractors; Size Standard: $19 Million
20702 NAICS 238210 - Facilities - NAICS 238210 - Electrical Contractors and Other Wiring Installation Contractors; Size Standard: $19 Million
20703 NAICS 238220 - Facilities - NAICS 238220 - Plumbing, Heating, and Air-Conditioning Contractors; Size Standard: $19 Million
20704 NAICS 238290 - Facilities - NAICS 238290 - Other Building Equipment Contractors; Size Standard: $22 Million
20705 NAICS 238320 - Facilities - NAICS 238320 - Painting and Wall Covering Contractors; Size Standard: $19 Million
20706 NAICS 238990 - Facilities - NAICS 238990 - All Other Specialty Trade Contractors; Size Standard: $19 Million
20707 NAICS 485999 - Facilities - NAICS 485999 - All Other Transit and Ground Passenger Transportation; Size Standard: $19 Million
20708 NAICS 488190 - Facilities - NAICS 488190 - Other Support Activities for Air Transportation; Size Standard: $40 Million
20709 NAICS 488490 - Facilities - NAICS 488490 - Other Support Activities for Road Transportation; Size Standard: $18 Million
20710 NAICS 488999 - Facilities - NAICS 488999 - All Other Support Activities for Transportation; Size Standard: $25 Million
20711 NAICS 531311 - Facilities - NAICS 531311 - Residential Property Managers; Size Standard: $12.5 Million
20712 NAICS 531312 - Facilities - NAICS 531312 - Nonresidential Property Managers; Size Standard: $19.5 Million
20713 NAICS 541320 - Facilities - NAICS 541320 - Landscape Architectural Services; Size Standard: $9 Million
20714 NAICS 541330 - Facilities - NAICS 541330 - Engineering Services; Size Standard: $25.5 Million
20715 NAICS 541350 - Facilities - NAICS 541350 - Building Inspection Services; Size Standard: $11.5 Million
20716 NAICS 541611 - Facilities - NAICS 541611 - Administrative Management and General Management Consulting Services; Size Standard: $24.5 Million
20717 NAICS 541614 - Facilities - NAICS 541614 - Process, Physical Distribution, and Logistics Consulting Services; Size Standard: $20 Million
20718 NAICS 541690 - Facilities - NAICS 541690 - Other Scientific and Technical Consulting Services; Size Standard: $19 Million
20719 NAICS 541990 - Facilities - NAICS 541990 - All Other Professional, Scientific and Technical Services; Size Standard: $19.5 Million
20720 NAICS 561210 - Facilities - NAICS 561210 - Facilities Support Services; Size Standard: $47 Million
20721 NAICS 561621 - Facilities - NAICS 561621 - Security Systems Services (except Locksmiths); Size Standard: $25 Million
20722 NAICS 561710 - Facilities - NAICS 561710 - Exterminating and Pest Control Services; Size Standard: $17.5 Million
20723 NAICS 561720 - Facilities - NAICS 561720 - Janitorial Services; Size Standard: $22 Million
20724 NAICS 561730 - Facilities - NAICS 561730 - Landscaping Services; Size Standard: $9.5 Million
20725 NAICS 561990 - Facilities - NAICS 561990 - All Other Support Services; Size Standard: $16.5 Million
20726 NAICS 562111 - Facilities - NAICS 562111 - Solid Waste Collection; Size Standard: $47 Million
20727 NAICS 562112 - Facilities - NAICS 562112 - Hazardous Waste Collection; Size Standard: $47 Million
20728 NAICS 562211 - Facilities - NAICS 562211 - Hazardous Waste Treatment and Disposal; Size Standard: $47 Million
20729 NAICS 811310 - Facilities - NAICS 811310 - Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance; NAICS 481211 - Nonscheduled Chartered Passenger Air Transportation; Size Standard: 1,500 Employees
OASIS+ 8(a) - Intelligence Services
Category Description
20401 NAICS 541330 - Intelligence Services - NAICS 541330 - Engineering Services; Size Standard: $25.5 Million
20402 NAICS 541330 Ex 1 - Intelligence Services - NAICS 541330 Exception 1 - Military and Aerospace Equipment and Military Weapons; Size Standard: $47 Million
20403 NAICS 541330 Ex 2 - Intelligence Services - NAICS 541330 Exception 2 - Contracts and Subcontracts for Engineering Services Awarded Under the National Energy Policy Act of 1992; Size Standard: $47 Million
20404 NAICS 541330 Ex 3 - Intelligence Services - NAICS 541330 Exception 3 - Marine Engineering and Naval Architecture; Size Standard: $47 Million
20405 NAICS 541611 - Intelligence Services - NAICS 541611 - Administrative Management and General Management Consulting Services; Size Standard: $24.5 Million
20406 NAICS 541614 - Intelligence Services - NAICS 541614 - Process, Physical Distribution, and Logistics Consulting Services; Size Standard: $20 Million
20407 NAICS 541618 - Intelligence Services - NAICS 541618 - Other Management Consulting Services; Size Standard: $19 Million
20408 NAICS 541690 - Intelligence Services - NAICS 541690 - Other Scientific and Technical Consulting Services; Size Standard: $19 Million
20409 NAICS 541715 - Intelligence Services - NAICS 541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology); Size Standard: 1,000 Employees
20410 NAICS 541715 Ex 1 - Intelligence Services - NAICS 541715 Exception 1 - Aircraft, Aircraft Engine and Engine Parts; Size Standard: 1,500 Employees
20411 NAICS 541715 Ex 2 - Intelligence Services - NAICS 541715 Exception 2 - Other Aircraft Parts and Auxiliary Equipment; Size Standard: 1,250 Employees
20412 NAICS 541715 Ex 3 - Intelligence Services - NAICS 541715 Exception 3 - Guided Missiles and Space Vehicles, Their Propulsion Units and Propulsion Parts; Size Standard: 1,300 Employees
20413 NAICS 541720 - Intelligence Services - NAICS 541720 - Research and Development in the Social Sciences and Humanities; Size Standard: $28 Million
20414 NAICS 541990 - Intelligence Services - NAICS 541990 - All Other Professional, Scientific and Technical Services; Size Standard: $19.5 Million
20415 NAICS 561499 - Intelligence Services - NAICS 561499 - All Other Business Support Services; Size Standard: $21.5 Million
20416 NAICS 561611 - Intelligence Services - NAICS 561611 - Investigation Services; Size Standard: $25 Million
OASIS+ 8(a) - Logistics
Category Description
20801 NAICS 336611 - Logistics - NAICS 336611 - Ship Building and Repairing; Size Standard: 1,300 Employees
20802 NAICS 481211 - Logistics - NAICS 481211 - Nonscheduled Chartered Passenger Air Transportation; Size Standard: 1,500 Employees
20803 NAICS 485991 - Logistics - NAICS 485991 - Special Needs Transportation; Size Standard: $19 Million
20804 NAICS 485999 - Logistics - NAICS 485999 - All Other Transit and Ground Passenger Transportation; Size Standard: $19 Million
20805 NAICS 488111 - Logistics - NAICS 488111 - Air Traffic Control; Size Standard: $40 Million
20806 NAICS 488190 - Logistics - NAICS 488190 - Other Support Activities for Air Transportation; Size Standard: $40 Million
20807 NAICS 488999 - Logistics - NAICS 488999 - All Other Support Activities for Transportation; Size Standard: $25 Million
20808 NAICS 492110 - Logistics - NAICS 492110 - Couriers and Express Delivery Services; Size Standard: 1,500 Employees
20809 NAICS 493110 - Logistics - NAICS 493110 - General Warehousing and Storage; Size Standard: $34 Million
20810 NAICS 493120 - Logistics - NAICS 493120 - Refrigerated Warehousing and Storage; Size Standard: $36.5 Million
20811 NAICS 493190 - Logistics - NAICS 493190 - Other Warehousing and Storage; Size Standard: $36.5 Million
20812 NAICS 541330 - Logistics - NAICS 541330 - Engineering Services; Size Standard: $25.5 Million
20813 NAICS 541614 - Logistics - NAICS 541614 - Process, Physical Distribution, and Logistics Consulting Services; Size Standard: $20 Million
20814 NAICS 541690 - Logistics - NAICS 541690 - Other Scientific and Technical Consulting Services; Size Standard: $19 Million
20815 NAICS 541990 - Logistics - NAICS 541990 - All Other Professional, Scientific and Technical Services; Size Standard: $19.5 Million
20816 NAICS 561210 - Logistics - NAICS 561210 - Facilities Support Services; Size Standard: $47 Million
20817 NAICS 811114 - Logistics - NAICS 811114 - Specialized Automotive Repair; Size Standard: $9 Million
20818 NAICS 811121 - Logistics - NAICS 811121 - Automotive Body, Paint and Interior Repair and Maintenance; Size Standard: $9 Million
20819 NAICS 811198 - Logistics - NAICS 811198 - All Other Automotive Repair and Maintenance; Size Standard: $10 Million
OASIS+ 8(a) - Management and Advisory
Category Description
20101 NAICS 541611 - Management and Advisory - NAICS 541611 - Administrative Management and General Management Consulting Services; Size Standard: $24.5 Million
20102 NAICS 541612 - Management and Advisory - NAICS 541612 - Human Resources Consulting Services; Size Standard: $29 Million
20103 NAICS 541613 - Management and Advisory - NAICS 541613 - Marketing Consulting Services; Size Standard: $19 Million
20104 NAICS 541614 - Management and Advisory - NAICS 541614 - Process, Physical Distribution, and Logistics Consulting Services; Size Standard: $20 Million
20105 NAICS 541618 - Management and Advisory - NAICS 541618 - Other Management Consulting Services; Size Standard: $19 Million
20106 NAICS 541620 - Management and Advisory - NAICS 541620 - Environmental Consulting Services; Size Standard: $19 Million
20107 NAICS 541690 - Management and Advisory - NAICS 541690 - Other Scientific and Technical Consulting Services; Size Standard: $19 Million
20108 NAICS 541990 - Management and Advisory - NAICS 541990 - All Other Professional, Scientific and Technical Services; Size Standard: $19.5 Million
OASIS+ 8(a) - Research and Development
Category Description
20301 NAICS 541330 - Research and Development - NAICS 541330 - Engineering Services; Size Standard: $25.5 Million
20302 NAICS 541330 Ex 1 - Research and Development - NAICS 541330 Exception 1 - Military and Aerospace Equipment and Military Weapons; Size Standard: $47 Million
20303 NAICS 541330 Ex 2 - Research and Development - NAICS 541330 Exception 2 - Contracts and Subcontracts for Engineering Services Awarded Under the National Energy Policy Act of 1992; Size Standard: $47 Million
20304 NAICS 541330 Ex 3 - Research and Development - NAICS 541330 Exception 3 - Marine Engineering and Naval Architecture; Size Standard: $47 Million
20305 NAICS 541380 - Research and Development - NAICS 541380 - Testing Laboratories; Size Standard: $19 Million
20306 NAICS 541611 - Research and Development - NAICS 541611 - Administrative Management and General Management Consulting Services; Size Standard: $24.5 Million
20307 NAICS 541690 - Research and Development - NAICS 541690 - Other Scientific and Technical Consulting Services; Size Standard: $19 Million
20308 NAICS 541713 - Research and Development - NAICS 541713 - Research and Technology in Nanotechnology; Size Standard: 1,000 Employees
20309 NAICS 541714 - Research and Development - NAICS 541714 - Research and Technology in Biotechnology (except Nanobiotechnology); Size Standard: 1,000 Employees
20310 NAICS 541715 - Research and Development - NAICS 541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology); Size Standard: 1,000 Employees
20311 NAICS 541715 Ex 1 - Research and Development - NAICS 541715 Exception 1 - Aircraft, Aircraft Engine and Engine Parts; Size Standard: 1,500 Employees
20312 NAICS 541715 Ex 2 - Research and Development - NAICS 541715 Exception 2 - Other Aircraft Parts and Auxiliary Equipment; Size Standard: 1,250 Employees
20313 NAICS 541715 Ex 3 - Research and Development - NAICS 541715 Exception 3 - Guided Missiles and Space Vehicles, Their Propulsion Units and Propulsion Parts; Size Standard: 1,300 Employees
20314 NAICS 541720 - Research and Development - NAICS 541720 - Research and Development in the Social Sciences and Humanities; Size Standard: $28 Million
20315 NAICS 541990 - Research and Development - NAICS 541990 - All Other Professional, Scientific and Technical Services; Size Standard: $19.5 Million
20316 NAICS 621511 - Research and Development - NAICS 621511 - Medical Laboratories; Size Standard: $41.5 Million
OASIS+ 8(a) - Technical and Engineering
Category Description
20201 NAICS 336611 - Technical and Engineering - NAICS 336611 - Ship Building and Repairing; Size Standard: 1,300 Employees
20202 NAICS 488190 - Technical and Engineering - NAICS 488190 - Other Support Activities for Air Transportation; Size Standard: $40 Million
20203 NAICS 488999 - Technical and Engineering - NAICS 488999 - All Other Support Activities for Transportation; Size Standard: $25 Million
20204 NAICS 541310 - Technical and Engineering - NAICS 541310 - Architectural Services; Size Standard: $12.5 Million
20205 NAICS 541330 - Technical and Engineering - NAICS 541330 - Engineering Services; Size Standard: $25.5 Million
20206 NAICS 541330 Ex 1 - Technical and Engineering - NAICS 541330 Exception 1 - Military and Aerospace Equipment and Military Weapons; Size Standard: $47 Million
20207 NAICS 541330 Ex 2 - Technical and Engineering - NAICS 541330 Exception 2 - Contracts and Subcontracts for Engineering Services Awarded Under the National Energy Policy Act of 1992; Size Standard: $47 Million
20208 NAICS 541330 Ex 3 - Technical and Engineering - NAICS 541330 Exception 3 - Marine Engineering and Naval Architecture; Size Standard: $47 Million
20209 NAICS 541350 - Technical and Engineering - NAICS 541350 - Building Inspection Services; Size Standard: $11.5 Million
20210 NAICS 541360 - Technical and Engineering - NAICS 541360 - Geophysical Surveying and Mapping Services; Size Standard: $28.5 Million
20211 NAICS 541370 - Technical and Engineering - NAICS 541370 - Surveying and Mapping (except Geophysical) Services; Size Standard: $19 Million
20212 NAICS 541380 - Technical and Engineering - NAICS 541380 - Testing Laboratories; Size Standard: $19 Million
20213 NAICS 541611 - Technical and Engineering - NAICS 541611 - Administrative Management and General Management Consulting Services; Size Standard: $24.5 Million
20214 NAICS 541690 - Technical and Engineering - NAICS 541690 - Other Scientific and Technical Consulting Services; Size Standard: $19 Million
20215 NAICS 541990 - Technical and Engineering - NAICS 541990 - All Other Professional, Scientific and Technical Services; Size Standard: $19.5 Million
20216 NAICS 611512 - Technical and Engineering - NAICS 611512 - Flight Training; Size Standard: $34 Million


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