O & S Services
Engineering Consulting and Electrical Engineering.
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Find the right engineering partner.
Explore capabilities, project experience, and office locations to build your shortlist.
Explore capabilities, project experience, and office locations to build your shortlist.
Engineering Consulting and Electrical Engineering.
Engineering solutions for a better world.
Havre De Grace, MD
Innovation, Discipline, and Quality
Allen, TX
Innovation. Collaboration. Team Leadership. Agility.
Arlington, VA
Technically Proficient & Operationally Relevant
New Bern, NC+1
Engineering solutions that power mission success
King George, VA
The freedom to innovate
Logistics, Technical Manuals, Training, and Systems Engineering
Hagerstown, MD
Digital Transformation
Patuxent River, MD
Systems Engineering and Program Management.
Forging Innovative Solutions for National Security
Denver, CO
Where Project Management Meets Engineering Innovation
Powering Success through Technical Solutions and Holistic Expertise of Advanced Technology
Stafford, VA
Systems Engineering and Enterprise Systems Engineering.
Huntsville, AL
We Help You Meet the Challenge of Rapidly Changing Technologies in Today's Complex Environment
Vienna, VA
Systems Engineering and Test and Evaluation.
Middletown, RI
High-level digital logic, FPGA development, and custom embedded systems engineering
Oceanside, CA
Partners for Science and Technology Research and Development
Austin, TX
Commitment to Innovation | Service | Success
North Charleston, SC
Systems Engineering and System Design and Integration.
San Antonio, TX
Agile, cost-competitive engineering and design staffing for aerospace and defense
Denton, TX
Innovative. Insightful. Committed.
Manassas, VA+1
Developing the Highest Quality Hardware and Software Products
Arcadia, CA+2
Delivering Mission Critical Systems, Services, and Information Security
Toms River, NJ