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.
Mission-Driven Engineering
Complete, Correct, Consistent
Petaluma, CA
Innovation, Discipline, and Quality
Allen, TX
Engineering, systems development lifecycle support, and enterprise architecture services.
For the Best of Reasons
Reston, VA
Technical. Analytical. Operational.
Understand Visualize Engineer Create
Mission-ready support specialists to DoD, aerospace, and commercial clients
Virginia Beach, VA+9
Robots for the open world
Waltham, MA
Engineering, architecture, and construction management consulting for major transit and infrastructure programs
San Francisco, CA
Bringing Space Within Reach
Tempe, AZ
Clearly Engineered...with your needs as the priority.
Employee-first systems and software engineering serving the intelligence community
Ellicott City, MD
Practical & Innovative Solutions to Critical Aerospace Mission Assurance Challenges
American Canyon, CA
Creating Spaceflight Capabilities
From Concept to Production, Faster, Smoother, With Less Risk.
Ann Arbor, MI
Engineering the skies.
Woodstock, VA+3
From Concept to Completion
Delivering Innovative Solutions
Bloomington, IN
Transformation That Moves the Nation. Delivering Airspace Innovation Now.
Washington, DC
Modular Software Defined Radios
Leaders on the Engineering Frontier
Frisco, TX
Homeland Security Engineering & Mission-Critical Advisory Services