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