O & S Services
Engineering Consulting and Electrical Engineering.
Loading directory…
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.
Persistent Surveillance for a Changing Threat Environment
Software and Electronics Engineering
Troy, VA
Because It's All About The Mission(R)
Merritt Island, FL
People, Science, Technology
Rockledge, FL+2
Systems Engineering and Enterprise Systems Engineering.
Huntsville, AL
Powering Defense with Advanced Technology
Chandler, AZ
Systems Engineering and Integration and Cyber Security, Certification and Accreditation.
Experienced Design
Mission-critical software for America's most demanding operational environments
Dayton, OH
Design & Product Innovation Firm
Chippewa Falls, WI
Strive for Excellence Because People Matter
Novi, MI
Providing World Class Solutions for 20+ Years!
San Francisco, CA
Acquisition Support and Defense Acquisition Assistance.
Ridgecrest, CA
Illuminating Tomorrow, Transforming Today.
Reston, VA
Empowering people. Enriching communities.
Houma, LA+9
Industrial automation system integrators
Bowling Green, KY
Electrical Engineering and Radio Frequency Design and Testing.
Newark, DE
Innovation to Implementation
El Dorado Hills, CA
From Concept to Completion
Leesburg
Systems Engineering and Software Development.
Engineering, Surveying, Environmental & Planning Services
Missoula, MT+2
Railroad Signaling, R&D, and Consulting
Jacksonville, FL
Smart solutions for smarter business.
Highland, MD