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.
Software Development and Information Technology and Assurance Services.
Devine, TX
Innovative. Insightful. Committed.
Manassas, VA+1
Let's Make Things Better
Proven Solutions
Jamison, PA
Making Communities Better
New York, NY
Navy Ship Repair and Modernization and SUBSAFE Submarine Modernization and Repair.
San Diego, CA+4
Your Systems... Our Solutions
Cybersecurity and Systems Engineering.
Virginia Beach, VA
Systems engineering, reliability engineering, and project management consulting
Huntsville, AL
Systems | Reliability | Safety
Orlando, FL
A Data Driven Company
Reston, VA+1
Systems Engineering and Undersea and Submarine Platform Engineering.
Empowering The Warfighter With Innovative Solutions
Madison, AL
Bridge Engineering and New Bridge Design.
Milwaukee, WI+6
Thinkers. Doers. Owners.
Planning and Feasibility Studies.
Greenwood Village, CO
Safety Engineering and System Safety Program Development.
Northern Virginia, VA
Put your critical mission first
Arlington, VA
Understanding Future Effects of Today's Decisions
By Skill & Valor
Virginia Beach, VA
Not Your Typical Consulting Firm.
Havre De Grace, MD
Engineering, systems development lifecycle support, and enterprise architecture services.
Providing specialized expertise in systems engineering, software development, and program management to help clients achieve their mission goals.