SDP/SI SHOP ONLINE (800) 819-8900

Engineering and Precision Manufacturing for the Aviation, Defense, and Space Industries

For more than 70 years, we’ve provided engineering development, key mechanical components and customized subassemblies to the aerospace, medical, defense, and robotics industries worldwide. Comprehensive engineering experience enables us to offer additional services such as design review and value engineering toward the goal of manufacturing efficiencies and optimal design.


SDP/SI creates precision gears, superior mechanical components, and custom engineered solutions for the most highly regarded names in aerospace, aviation, and defense. Our combined engineering, precision CNC machining, and assembly capabilities allow us to meet the critical tolerances and functionality needs our customers require.


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Fundamentals of Leadership

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Mindfulness for Engineers