Contract Vehicles
Contributing to the success of federal missions
Walsingham Group is proud to support our government customers with a diverse portfolio of contract vehicles that enable streamlined and mission-focused procurement.
These vehicles provide our government customers with flexible, compliant, and efficient access to the full spectrum of our capabilities—ranging from professional services, specialized training, mission support, maintenance, logistics, and critical infrastructure services.
Our contract vehicles reflect Walsingham Group’s dedication to operational excellence, rapid response, and the evolving needs of our government customers. By leveraging these contracting mechanisms, federal agencies can quickly and confidently engage with a trusted industry partner committed to delivering results. Explore the tabs below to learn more about our major contract vehicles and how to engage with us.
OASIS + Total Small Business (SB)
GSA eLibrary Contractor Information
Contract # 47QRCA25DS486
Walsingham Group has been selected as one of the awardees under the OASIS+ Total Small Business contract program.
This award recognizes our expertise and capabilities in providing valuable services to the federal government.
The One Acquisition Solution for Integrated Services (OASIS)+ Multi-Agency Contract (MAC) is a Government-wide, multiple award, Indefinite Delivery, Indefinite Quantity (IDIQ) acquisition program for services. The program is designed to address agencies’ need for a full range of service requirements that integrate multiple service disciplines and ancillary services/products with the flexibility for commercial and non-commercial requirements, all contract types and pricing determined at the task order level to achieve a total solution. New services may be added to this contract throughout the life of the program.
As a recipient of five OASIS+ domains, Walsingham Group is poised to contribute to the success of federal missions by providing federal clients with streamlined access to WGI’s multi-domain solutions.
Domains won:
- Management and Advisory
- Technical and Engineering
- Intelligence Services
- Facilities
- Logistics
NAICS Code | Industry Title |
Management and Advisory Domain | |
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 |
541990 | All Other Professional, Scientific, and Technical Services |
Technical and Engineering Domain | |
336611 | Ship Building and Repairing |
488190 | Other Support Activities for Air Transportation |
488999 | All Other Support Activities for Transportation |
541330; 1-3 | 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 |
541690 | Other Scientific and Technical Consulting Services |
541990 | All Other Professional, Scientific, and Technical Services |
611512 | Flight Training |
Intelligence Services | |
541330; 1-3 | Engineering Services |
541611 | Administrative Management and General Management Consulting Services |
541614 | Process, Physical Distribution, and Logistics Consulting Services |
541618 | Other Management Consulting Services |
541690 | Other Scientific and Technical Consulting Services |
541715; 1-3 | Research and Development in the Physical, Engineering, and Life Sciences |
541720 | Research and Development in the Social Sciences and Humanities |
541990 | All Other Professional, Scientific, and Technical Services |
561499 | All Other Business Support Services |
561611 | Investigation Services |
Facilities Domain | |
238160 | Roofing Contractors |
238210 | Electrical Contractors and Other Wiring Installation Contractors |
238220 | Plumbing, Heating, and Air-Conditioning Contractors |
238290 | Other Building Equipment Contractors |
238320 | Painting and Wall Covering Contractors |
238990 | All Other Specialty Trade Contractors |
485999 | All Other Transit and Ground Passenger Transportation |
488190 | Other Support Activities for Air Transportation |
488490 | Other Support Activities for Road Transportation |
488999 | All Other Support Activities for Transportation |
531312 | Nonresidential Property Managers |
541330 | Engineering Services |
541611 | Administrative Management and General Management Consulting Services |
541614 | Process, Physical Distribution, and Logistics Consulting Services |
541690 | Other Scientific and Technical Consulting Services |
541990 | All Other Professional, Scientific, and Technical Services |
561210 | Facilities Support Services |
561621 | Security Systems Services |
561710 | Exterminating and Pest Control Services |
561720 | Janitorial Services |
561990 | All Other Support Services |
562111 | Solid Waste Collection |
562112 | Hazardous Waste Collection |
562211 | Hazardous Waste Treatment and Disposal |
Logistics | |
336611 | Ship Building and Repairing |
481211 | Nonscheduled Chartered Passenger Air Transportation |
485991 | Special Needs Transportation |
485999 | All Other Transit and Ground Passenger Transportation |
488111 | Air Traffic Control |
488190 | Other Support Activities for Air Transportation |
488999 | All Other Support Activities for Transportation |
492110 | Couriers and Express Delivery Services |
493110 | General Warehousing and Storage |
493120 | Refrigerated Warehousing and Storage |
493190 | Other Warehousing and Storage |
541330 | Engineering Services |
541614 | Process, Physical Distribution, and Logistics Consulting Services |
541690 | Other Scientific and Technical Consulting Services |
541990 | All Other Professional, Scientific, and Technical Services |
561210 | Facilities Support Services |
OASIS + Service-Disabled Veteran-Owned Small Business (SDVOSB)
GSA eLibrary Contractor Information
Contract #47QRCA24DV022
Walsingham Group is an awardee under the GSA OASIS+ Service-Disabled Veteran-Owned Small Business (SDVOSB) contract program.
The OASIS+ (One Acquisition Solution for Integrated Services Plus) Multi-Agency Contract (MAC) is a Government-wide, multiple-award, Indefinite Delivery, Indefinite Quantity (IDIQ) acquisition vehicle designed to meet the evolving needs of federal agencies. OASIS+ supports a full spectrum of complex professional service requirements—including integrated service disciplines and ancillary support—with flexibility in contract types, pricing structures, and both commercial and non-commercial acquisition strategies.
As a Service-Disabled Veteran-Owned Small Business (SDVOSB), Walsingham Group brings a uniquely mission-focused, agile, and values-driven approach to government contracting. Our inclusion in the OASIS+ SDVOSB pool allows agencies to seamlessly access our specialized services while also meeting statutory and strategic SDVOSB contracting goals.
Walsingham Group was selected for four OASIS+ domains, affirming our deep capabilities across multiple functional areas:
- Management and Advisory Services
- Technical and Engineering Services
- Intelligence Services
- Logistics Services
This award positions Walsingham Group to continue supporting federal missions with excellence and integrity—delivering tailored, results-driven solutions to meet today’s most complex challenges.
NAICS Number | Domain/NAICS Title |
Management and Advisory Domain | |
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 |
541990 | All Other Professional, Scientific, and Technical Services |
Technical and Engineering Domain | |
336611 | Ship Building and Repairing |
488190 | Other Support Activities for Air Trasportation |
488999 | All Other Support Activities for Transportation |
541330 | Engineering Services |
541330-1 | Engineering Services |
541330-2 | Engineering Services |
541330-3 | Engineering Services |
541360 | Geophysicsal Surveying and Mapping Services |
541370 | Surveying and Mapping Services |
541380 | Testing Laboratories |
541611 | Admin Management and General Management Consulting Services |
541690 | Other Scientific and Technical Consulting Services |
541990 | All Other Professional, Scientific, and Technical Services |
611512 | Flight Training |
Intelligence Services Domain | |
541330 | Engineering Services |
541330-1 | Engineering Services |
541330-2 | Engineering Services |
541330-3 | Engineering Services |
541611 | Administrative Management and General Management Consulting Services |
541614 | Process, Physical Distribution, and Logistics Consulting Services |
541618 | Other Management Consulting Services |
541690 | Other Scientific and Technical Consulting Services |
541715 | Research and Development in the Physical, Engineering and Life Sciences |
541715-1 | Research and Development in the Physical, Engineering and Life Sciences |
541715-2 | Research and Development in the Physical, Engineering and Life Sciences |
541715-3 | Research and Development in the Physical, Engineering and Life Sciences |
541720 | Research and Development in the Social Sciences and Humanities |
541990 | All Other Professional, Scientific, and Technical Services |
561499 | All other Business Support Services |
561611 | Investigation Services |
Logistics Domain | |
336611 | Ship Building and Repairing |
481211 | Nonscheduled Chartered Passenger Air Transportation |
485991 | Special Needs Transportation |
485999 | All Other Transit and Ground Passenger Transportation |
488111 | Air Traffic Control |
488190 | Other Support Activities for Air Trasportation |
488999 | All Other Support Activities for Transportation |
492110 | Couriers and Express Delivery Services |
493110 | General Warehousing and Storage |
493120 | Refrigerated Warehousing and Storage |
493190 | Other Warehousing and Storage |
541330 | Engineering Services |
541614 | Process, Physical Distribution, and Logistics Consulting Services |
541690 | Other Scientific and Technical Consulting Services |
541990 | All Other Professional, Scientific, and Technical Services |
561210 | Facilities Support Services |
More about the GSA OASIS+ Award
GSA Unveils List of OASIS Plus Small Business Contract Awardees
Walsingham Group in the news