ESI Group SA operates as a software editor for the numerical simulation of prototype and manufacturing process engineering in applied mechanics in France. It offers products for biomechanics, casting, comfort, composites and plastics, electromagnetics, fluid dynamics, multiphysics, NVH and dynamics, sheet metal forming, simulation systems integration, vibro-acoustics, welding, and virtual reality solutions, as well as for crash, impact, and safety applications. The company also provides engineering, methodology development, process automation, training, and technical support services. It serves aeronautics, automotive, civil engineering, education, electronics and consumer goods, energy and power, government and defense, ground transportation, healthcare, marine, and heavy industries. The company was founded in 1973 and is headquartered in Paris, France.