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Sienna Dynamics and its operating companies are a group of detail-obsessed builders, problem solvers, and technical pioneers dedicated to delivering the most desirable, high-quality assembly and product solutions for high-tech, forward-thinking manufacturing companies in Silicon Valley and around the world.

CTEMS is a leading provider of engineering and contract manufacturing services specializing in custom cable design and assembly; cable harness design and assembly; and electro-mechanical box builds. Our products enable our customers to deliver the most precise and innovative technology solutions.

Apollo PowerStation solutions are used across a variety of use case to provide portable power to professionals in the field, explorers on extended trips outdoors, and consumers who want to stay plugged in and connected to our digital world.

Techwrkx serves customers through its exclusive catalogue of specialized equipment, tooling, and supplies used in electro-mechanical projects of all sizes. From kapton polymide film and connectors to oscilloscopes and automatic wrapping machines.

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