MKS INC

MKS Inc. (NASDAQ: MKSI) is a foundational technology solutions provider serving semiconductor manufacturing, electronics and packaging, and specialty industrial applications. The company's website is www.mks.com.

Founded in 1961, MKS enables advanced device manufacturing through instruments, subsystems, systems, process control solutions, and specialty chemicals technology. The company operates three reportable segments: the Vacuum Solutions Division, which delivers pressure measurement and control, materials delivery, power solutions, and plasma and reactive gas products; the Photonics Solutions Division, providing lasers, photonics components, precision motion control systems, and laser-based PCB manufacturing solutions; and the Materials Solutions Division, offering advanced chemical processes and equipment for surface modification, electroless and electrolytic plating, and surface finishing applications. Global Service represents various service offerings across all divisions.

In 2025, the semiconductor market represented 43% of net revenues, electronics and packaging accounted for 28%, and specialty industrial represented 29%. International markets comprised 81% of total net revenues, with significant exposure to customers in China, South Korea, Singapore, Taiwan, and Japan. Long-lived assets outside the United States represented 70% of total long-lived assets.

MKS operates manufacturing facilities across 18 countries and maintains sites in 37 countries globally. As of December 31, 2025, the company employed approximately 10,300 individuals, with 33% located in the Asia-Pacific region, 34% in Europe, the Middle East and India, and 33% in the Americas. The workforce comprises approximately 10,200 employees and 100 temporary workers, with 18% engaged in research and development, 55% in operations and manufacturing, and 27% in administrative and support functions.

The company's product strategies include Surround the Wafer, encompassing a comprehensive range of semiconductor manufacturing solutions, and Surround the Workpiece, providing laser-based guidance and control for manufacturing processes. MKS also offers Optimize the Interconnect, combining laser drilling and chemistry solutions for PCB and package substrate manufacturing. The company maintains a portfolio of 585 U.S. patents and 2,217 foreign patents as of December 31, 2025. MKS serves thousands of customers worldwide, with its top ten customers representing 35% of 2025 net revenues.