Ultra Clean Holdings, Inc. was founded with the mission to provide critical subsystems and ultra-high purity cleaning and analytical services primarily for the semiconductor industry. The company focuses on delivering precise specialty gas delivery systems essential for semiconductor manufacturing. UCT offers integrated outsourced solutions for major subassemblies, including improved design-to-delivery cycle times, design for manufacturability, prototyping, and high-precision manufacturing.

Notable affiliated individuals include key engineers and industry experts who have driven innovation in semiconductor manufacturing processes. The company has secured investments from major players in the semiconductor sector, contributing to its growth and technological advancements. Ultra Clean Holdings has achieved significant milestones in enhancing the efficiency and precision of semiconductor production, making a substantial impact on the industry by enabling more advanced and reliable electronic devices.