Altair Engineering Inc., together with its subsidiaries, provides software and cloud solutions in the areas of simulation, high-performance computing, data analytics, and artificial intelligence in the United States and internationally. It operates through two segments, Software and Client Engineering Services. The Software segment offers solvers and optimization technology products, high-performance computing software applications and hardware products, modeling and visualization tools, data analytics and analysis products, and Internet of Things platform and analytics tools, as well as support and the complementary software products. This segment also provides software technologies in the areas of computational fluid dynamics and fatigue, manufacturing process simulation, and cost estimation for the applications in automotive, marine, motorcycle, aerospace, chemical, and architecture industries; and software-related services, such as consulting, implementation, and training services that focuses on the product design and development expertise and analysis from the component level up to complete product engineering at various stage of the lifecycle.