Advancing Material Handling

Founded by industry pioneer Joseph A. Dos Santos, DSI has been advancing bulk material handling solutions since 1997. With the invention of and advances in Sandwich Belt High Angle Conveyors, the development and utilization of our Expanded Conveyor Technology, and most recently, the patent-pending development of Adder Snake Conveyors, we’re engineering ideal solutions for some of the world’s most challenging applications.


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Built on over 40 years of experience and innovation, we are eager to provide optimal, modern, cost saving solutions and support to our customers all over the world.

References and Resources

Complete with information about our founder and inventor of the DSI Sandwich Belt High Angle Conveyor, the experienced DSI team, our proprietary ExConTec program, private access to submit your DSI Quote request, and occasional company updates.