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MKS Instruments, Inc. provides foundational technology solutions to semiconductor manufacturing, electronics and packaging, and specialty industrial applications in the United States, Germany, China, South Korea, and internationally. It operates through Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Material Solutions Division (MSD) segments. The VSD segment provides foundational technology solutions, including pressure measurement and control, flow measurement and control, gas and vapor delivery, gas composition analysis, electronic control technology, reactive gas generation and delivery, power generation and delivery, and vacuum technology. The PSD segment offers range of solutions, which include lasers, beam measurement and profiling, precision motion control, vibration isolation systems, photonics instruments, temperature sensing, opto-mechanical components, optical elements, systems for flexible PCB laser processing, and laser-based systems, as well as high density interconnect PCB and package manufacturing. The MSD segment develops, process, and manufactures technologies comprising advanced surface modification, electroless and electrolytic plating, and surface finishing for chemistry, equipment, software, and services markets, as well as high-technology applications. In addition, the company sells its products and services through direct sales, network of independent distributors, and sales representatives, as well as websites, including product catalogs. The company was incorporated in 1961 and is headquartered in Andover, Massachusetts.

Mesa Laboratories, Inc. develops, manufactures, and sells life sciences tools and quality control products and services in North America, Europe, the Asia Pacific, and internationally. It operates in four segments: Clinical Genomics, Sterilization and Disinfection Control, Biopharmaceutical Development, and Calibration Solutions. The Clinical Genomics segment develops, manufactures, and sells genetic analysis tools that include MassARRAY system and consumables, including chips, panels, and chemical reagent solutions used by clinical labs to perform genomic clinical testing in various therapeutic areas, such as screenings for hereditary diseases, pharmacogenetics, and oncology related applications. The Sterilization and Disinfection Control segment manufactures and sells biological, cleaning, and chemical indicators that are used to assess the effectiveness of sterilization and disinfection processes in the hospital, dental, medical device, and pharmaceutical industries. This segment also provides testing and laboratory services primarily to the dental industry. The Biopharmaceutical Development segment develops, manufactures, and sells automated systems for protein analysis and peptide synthesis solutions. This segment's solutions include protein analysis comprising analysis equipment, CDs, kits, and buffers; and peptide synthesizers that enable customers to automate chemical synthesis of peptides that are used in the creation of peptide therapies, biomaterials, cosmetics, and general research. The Calibration Solutions segment designs, manufactures, and markets quality control products to measure or calibrate temperature, pressure, pH, and humidity for health and safety purposes in the hospital, medical device manufacturing, pharmaceutical manufacturing, and various laboratory environments. This segment's products include continuous monitoring systems, dialysate meters and consumables, data loggers, gas flow calibration and air sampling equipment, and torque testing systems. The company was incorporated in 1982 and is headquartered in Lakewood, Colorado.

Orbotech Ltd. provides yield-enhancing and process-enabling solutions for the manufacture of printed circuit boards (PCBs), flat panel displays (FPDs), semiconductor devices (SDs), and other electronic components in China, Taiwan, North America, Europe, Japan, Korea, and internationally. It operates through three segments: Production Solutions for the Electronics Industry, Solar Energy, and Recognition Software. The company designs, develops, manufactures, markets, and services direct imaging, automated optical inspection (AOI), automated optical shaping, via formation laser drilling tools, additive printing solutions, and other production systems used in the manufacture of PCBs; AOI, test, repair, and process monitoring systems for use in the manufacture of FPDs; and etch, physical vapor deposition, chemical vapor deposition, and molecular vapor deposition equipment used in the manufacture of SDs, such as micro-electro-mechanical systems, advanced semiconductor packaging, power and radio frequency devices, and high brightness light emitting diode devices. It is also involved in the research, development, and marketing of products for the deposition of thin film coating of various materials on crystalline silicon photovoltaic wafers for solar energy panels. In addition, the company develops and markets check processing and healthcare payments automation solutions to banks, financial, and other payment processing institutions and healthcare providers through system integrators and solution providers. The company was formerly known as Optrotech Ltd. and changed its name to Orbotech Ltd. as a result of its merger with Orbot Systems Ltd. in October 1992. Orbotech Ltd. was founded in 1981 and is headquartered in Yavne, Israel.

Rudolph Technologies, Inc. designs, develops, manufactures, and supports process control defect inspection and metrology, advanced packaging lithography, and process control software systems used by microelectronic device manufacturers. It offers process and yield management solutions used in bare silicon wafer production and processing facilities, and device packaging and test facilities through standalone systems for macro-defect inspection, packaging lithography, probe card test and analysis, and transparent and opaque thin film measurements. The company also provides spare parts and software licensing services. It markets and sells its products to analog, logic, memory, radio frequency, complimentary metaloxide semiconductor image sensors, microelectromechanical systems, and flat panel display manufacturers in the United States, Taiwan, South Korea, Singapore, Austria, Japan, Germany, and China, as well as other European and Asian countries. The company was formerly known as Rudolph Research Corporation. Rudolph Technologies, Inc. was founded in 1940 and is headquartered in Wilmington, Massachusetts.

Sensata Technologies Holding plc develops, manufactures, and sells sensors and sensor-rich solutions, electrical protection components and systems, and other products used in mission-critical systems and applications in the United States and internationally. It operates in two segments, Performance Sensing and Sensing Solutions. The Performance Sensing segment offers pressure, temperature, and position sensors, high-voltage solutions, and other solutions used in mission-critical systems and applications, such as tire pressure monitoring, thermal management, electrical protection, regenerative braking, powertrain for engine/transmission, and exhaust management for automobiles, on-road trucks, and off-road equipment customers. The Sensing Solutions segment provides application-specific sensor and electrical protection products, such as pressure, temperature, and position sensors; motor and compressor protectors; high-voltage contactors; solid state relays; bimetal electromechanical controls; power inverters; charge controllers; battery management systems; operator controls; and power conversion systems. It serves automotive, on-road truck, construction, and original equipment manufacturers in agriculture, control, appliance, medical, energy and charging infrastructure, data/telecom, and aerospace and defense industries, as well as systems integrators, aerospace, and motor and compressor distributors. Sensata Technologies Holding plc was founded in 1916 and is headquartered in Attleboro, Massachusetts.