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Arco Platform Limited, a technology company in the education sector, provides a pedagogical system with technology-enabled features to deliver educational content to private schools in Brazil. The company's curriculum solutions provide educational content from basic to secondary education K-12 curriculum in printed and digital formats delivered through its platform. The company's activities also comprise editing, publishing, advertising, and sale of educational content for private schools. It serves students, teachers, administrators, and parents. Arco Platform Limited was founded in 1941 and is headquartered in Sao Paulo, Brazil.

Chegg, Inc. operates a direct-to-student learning platform that helps learners build essential life and job skills to accelerate their path from learning programs in the United States and internationally. Its subscription services include Chegg Study, which offers personalized step-by-step learning support from AI, computational engines, and subject matter experts, as well as Tinger Gold and DashPash Student services; Chegg Writing that provides students with a suite of tools, such as plagiarism detection scans, grammar and writing fluency checking, expert personalized writing feedback, and premium citation generation; Chegg Math, a step-by-step math problem solver and calculator that helps students to solve problems; Chegg Study Pack, a bundle of various subscription product offerings, including Chegg Study, Chegg Writing, and Chegg Math services; and Busuu, an online language learning platform that offers comprehensive support through self-paced lessons, live classes with expert tutors, and a community of members to practice alongside. The company also provides a skills-based learning platform to learn technical skills comprising AI, coding, data analytics, and cybersecurity, as well as competencies consisting of emotional intelligence, mindset, emerging leadership, and decision making. In addition, it rents and sells print textbooks and eTextbooks; and offers advertising services. The company serves students and companies through direct marketing channels and social media. Chegg, Inc. was incorporated in 2005 and is headquartered in Santa Clara, California.

Ultra Clean Holdings, Inc. develops and supplies critical subsystems, components and parts, and ultra-high purity cleaning and analytical services for the semiconductor industry in the United States and internationally. The company provides ultra-clean valves, high purity connectors, industrial process connectors and valves, pneumatic actuators, manifolds and safety solutions, hoses, pressure gauges, and gas line and component heaters; chemical delivery modules that deliver gases and reactive chemicals in a liquid or gaseous form from a centralized subsystem to the reaction chamber; and gas delivery systems, such as weldments, filters, mass flow controllers, regulators, pressure transducers and valves, component heaters, and an integrated electronic and/or pneumatic control system. It also offers various industrial and automation production equipment; fluid delivery systems consist of one or more chemical delivery units, including PFA tubing, filters, flow controllers, regulators, component heaters, and an integrated electronic and/or pneumatic control system; precision robotic systems; top-plate assemblies; frame assemblies; process modules, a subsystem of semiconductor manufacturing tools that process integrated circuits onto wafers; and other high-level assemblies. In addition, the company provides tool chamber parts cleaning and coating services; micro-contamination analysis services for tool parts, wafers and depositions, chemicals, cleanroom materials, deionized water, and airborne molecular contamination; and analytical verification services for process tool chamber part cleaning. It primarily serves original equipment manufacturing customers in the semiconductor capital equipment and semiconductor integrated device manufacturing industries, as well as display, consumer, medical, energy, industrial, and research equipment industries. The company was founded in 1991 and is headquartered in Hayward, California.

Udemy, Inc., a learning company, that operates a marketplace platform for learning skills in the United States and internationally. The company offers skill acquisition, development, and validation courses for organizations and individuals, through direct-to-consumer or Udemy Business offerings in various languages. Its courses provide learning objectives, such as reskilling or upskilling in technology, business, soft skills, and personal development, as well as learners receive access to interactive learning tools comprising quizzes, exercises, and instructor questions-and-answers. The company was incorporated in 2010 and is headquartered in San Francisco, California.