Data I/O makes device programming systems and related solutions used in electronics manufacturing. Its core products program firmware and data into semiconductors — flash memory, microcontrollers, and secure elements — before those chips are assembled into finished electronics for automotive, industrial, IoT, and consumer applications. Data I/O's flagship PSV automated systems are used on high-volume production lines, while its LumenX (and newly launched LumenX2) programmers serve lower-volume and engineering environments. Beyond capital equipment, Data I/O sells adapter sockets — consumables that wear out with use and must be replaced — and software and maintenance services tied to its installed base. Together, adapters and software represented approximately 58% of FY25 revenue, with capital equipment at 42%. The business has a razor-and-blades dynamic: capital equipment placements seed recurring adapter and software revenue, which carry meaningfully higher margins than hardware. Automotive electronics is the largest end market at roughly 64% of 2025 bookings. Customers include OEM manufacturers like Bosch and Tesla, EMS contract manufacturers like Foxconn and Jabil, and programming center distributors like Arrow and Avnet. International sales represent roughly 94% of revenue, with Asia as the largest region. Data I/O also offers SentriX, a security deployment platform that provisions cryptographic keys into devices during manufacturing — an increasingly relevant capability for automotive and IoT supply chains. The company is working to grow recurring software revenue, expand into programming services and programming-at-test, and pursue acquisitions to fill capability gaps.