Donjon's staff represents more than 200 years of combined experience in marine equipment analysis, design and construction. Expertise acquired during the early years of supplying salvage and marine transportation services provided the basis for Donjon's later diversification into the areas of research, design, and fabrication of various types of structures, equipment and systems.

Through Donjon Engineering and Marine Services, a division based in Alexandria, VA, Donjon offers engineering services to owners, government agencies, regulatory bodies, and less specialized design firms. The company provides engineering services relating to:

• Vessel structural repair and modification
• Rigging systems design and fabrication
• Pumping equipment design
• Mooring design, fabrication and testing
• Dead ship towing analysis
• Emergency tow gear design and installation