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Diodes’ corporate headquarters and Americas’ sales offices are located in Plano, Texas, and Milpitas, California. Design, marketing, and engineering centers are located across the globe. Their market focus is on high-growth, end-user applications. Diodes’ corporate headquarters and Americas’ sales offices are located in Plano, Texas, and Milpitas, California. Design, marketing, and engineering centers are located across the globe. Their market focus is on high-growth, end-user applications.