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 Excellence for Challenging Domains
Laurel, MD
From Zero to Space All in One Place
Engineering Excellence for Space and Beyond
Charles Town, WV
Tailored Solutions for Government and Industry Excellence
Virginia Beach, VA
Big Results for Critical Missions
Brookeville, MD
Cost analysis, systems engineering, scheduling, and data analytics consulting
Arlington, VA
Providing advanced ship survivability, systems engineering, and test and evaluation support services.
Systems Engineering and Data and Analytics.
Bellevue, WA
Understand Visualize Engineer Create
Engineering Services and Test and Evaluation.
Stafford, VA
Be Small, Think Big
Making Communities Better
New York, NY
Technically Proficient & Operationally Relevant
New Bern, NC+1
Combining expertise and proven methodologies to optimize technology transition
X-perience. X-pertise. X-cellence.
San Diego, CA
Thermal Design and Analysis and Ground-based Thermal Control Systems.
Cupertino, CA
A leader in applying systems engineering to Intelligent Transportation Systems (ITS)
New York, NY
Delivering total solutions tailored to customers' current and future needs
Systems Engineering and Intelligent Transportation Systems Integration.
Overland Park, KS
Your Mission, Our Purpose
Anaheim, CA+2
Complex Challenges Solved with Custom Solutions
Luray, VA+3
Engineering with Passion
Where innovation and mission converge.
Leonardtown, MD+1