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 worldwide. The company operates in two segments, Software and Client Engineering Services. The Software segment includes 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.