A&D HOLON Holdings Company, Limited, a Tokyo-based holding company established in May 1977 and listed on the Tokyo Stock Exchange (7745), oversees the research, development, manufacturing, and sales of electronic measuring instruments, industrial weighing scales, electronic balances, medical electronic equipment, testing machines, and other applied electronic instruments through its subsidiaries including A&D Company, Limited and HOLON Co., Ltd. Core products encompass measurement, control, and simulation systems; FFT analyzers; sound and vibration analyzers; digital ultrasonic flaw detectors and thickness meters; material testing machines; A/D and D/A converters for semiconductor manufacturing equipment; electron guns; electronic balances; digital platform scales; weighing indicators and controllers; load cells; weighing and measurement data processing systems; medical digital blood pressure monitors and scales; home digital blood pressure meters and scales; ultrasonic inhalers; electron beam photomask pattern dimension measuring equipment; electron beam photomask defect review analysis equipment; and Roll-SEM roller mold measurement tools, serving semiconductor-related, medical and healthcare, and measurement and metering equipment segments with operations primarily in Japan and global markets. The company resulted from the 2022 management integration of A&D Company, Limited and HOLON Co., Ltd., transitioning to a pure holding structure via share exchange and absorption-type split while retaining its ticker; most recently, its U.S. subsidiary acquired the business of Thompson Scale Company effective October 1, 2025 to bolster weighing equipment capabilities, alongside advancing its Long-Term Vision through FY2034 and Medium-Term Business Plan for FY2025-2027 focused on measurement technology expansion.