TTM Technologies, Inc. (TTMI) is an electronics and mission-systems manufacturer that manufactures printed circuit boards, radio-frequency components, microwave assemblies, substrates and mission systems. Its commercial business serves automotive, medical, industrial and data-center customers, while aerospace and defense operations support intelligence and communications programs. It reports Aerospace & Defense, Commercial and RF&S Components segments. Commercial generates the majority of revenue, while RF&S supplies company-designed radio-frequency and commercial off-the-shelf products.