
CSSI
Your Partner in Safety, Efficiency and Innovation
Washington, DC
Explore capabilities, project experience, and office locations to build your shortlist.

Your Partner in Safety, Efficiency and Innovation
Washington, DC

Welcome to the Unconventional

Delivering high-quality engineering and professional services in support of the Navy's mission
Middletown, RI
Modeling & Simulation and Complex System Modeling & Simulation.

Design. Analysis. Evaluation. Optimization.

Sustainability analysis for companies and projects changing the world

Aerospace structural reliability and computational mechanics consulting
San Antonio, TX

Protecting Those Who Protect Us

Quality Mechanical Design and Analysis Services
Exton, PA

Automobile Vehicle Dynamics Engineering and Simulation Consulting
Buffalo, NY

Committed to the relentless pursuit of excellence in design & engineering
Louisville, KY
Providing Advanced Simulation Tools and Design Expertise for Liquid and Solid Rocket Propulsion Development
Sacramento, CA
Radically engineered distribution & manufacturing operations
Dallas, TX

Consultation and Engineering Services
Seattle, WA

Specialist engineering for ROPS, FOPS, and operator protective structures
Wausau, WI
A Full Spectrum of Engineering Services
West Lafayette, IN

Engineering Systems That Move From Concept to Deployment
Providing advanced ship survivability, systems engineering, and test and evaluation support services.

Defense-grade Execution Discipline for Regulated Industries
Melbourne, FL

Air airspace modernization, modeling, and simulation engineering
Northfield, NJ

Digitally Engineering the Warfighter's Future
Newport News, VA
Semiconductor design services for high performance connectivity
Milpitas, CA

Innovative products, expert consulting, and R&D for the next chapter in nuclear energy
Reston, VA

Engineer. Prototype. Fly.