One Acquisition Solution for Integrated Services (OASIS)


Theodore J. Thanos
Contracts Manager
Phone:  703.918.4336
Fax: 703.903.9745

Robert (Bob) Fritz
Director of Business Development
Phone:  703.918.4323
Fax: 703.903.9745

Peter Caylor
VP, Engineering
Phone:  703.903.9777
Fax: 703.903.9745

DDL OMNI Engineering LLC

8260 Greensboro Drive 
Suite 600 
McLean, VA  22102


  • OASIS Data Sheet (Military)
  • OASIS Data Sheet (Civilian) 
  • GSA OASIS SB Web Site  
  • OASIS Ordering Guide   

Contract Number: GS00Q14OADS316
Contract Period: 4/11/2014 – 4/10/2019 (Base Period)

The DDL OMNI Engineering GSA One Acquisition Solution for Integrated Services (OASIS) Small Business (SB) contract is a multiple award, Indefinite Delivery, Indefinite Quantity (IDIQ) contract designed to provide flexible and innovative solutions for complex professional services.  OASIS contracts can integrate multiple types of professional services as well as ancillary services/products, with the flexibility to support all contract types, including hybrids and cost-reimbursement at the task order level.

The core disciplines of the OASIS SB contract include program management services, management consulting services, logistics services, engineering services, scientific services, and financial services.  OASIS SB is a family of seven IDIQ contracts that span 28 NAICS codes.  Each of these contracts are a separate "Pool" within OASIS SB.

DDL OMNI Engineering holds an OASIS SB contract under Pool 3, Engineering Services, which includes NAICS code 541330.

OASIS SB is available for use by all Federal Agencyies and other entities listed in GSA Order ADM 4800.2G, Eligibility to use GSA Sources and Supply; as amended.