MKS Instruments Inc. is a technology company that delivers foundational technology solutions for semiconductor manufacturing, electronics and packaging, and specialty industrial applications worldwide. It operates through three primary segments: Vacuum Solutions Division, offering pressure and flow measurement and control, gas and vapor delivery, gas composition analysis, reactive gas generation, power generation and delivery, and fiber optic sensing; Photonics Solutions Division, providing lasers, beam measurement, precision motion control, vibration isolation, photonics instruments, opto-mechanical components, optical elements, and systems for flexible PCB laser processing and high-density interconnect manufacturing; and Material Solutions Division, developing advanced surface modification, electroless and electrolytic plating, and surface finishing technologies for chemistry, equipment, and high-technology markets. The company supplies instruments, subsystems, process control solutions, and specialty chemicals that enhance process performance in sectors like life and health sciences, research, defense, and automotive. Products are distributed through direct sales, independent distributors, sales representatives, and online platforms including product catalogs. Incorporated in 1961 and headquartered in Andover, Massachusetts, MKS Instruments Inc. supports innovations in artificial intelligence, augmented reality, and autonomous vehicles with its broad portfolio of vacuum technologies, photonics, optics, and precision systems.