Christian Matzen

ESI Group SA engages in the design, development, and supply of end-to-end virtual prototyping software and solutions. It operates through the following geographical segments: Europe, Middle East, Africa, Asia-Pacific, and the Americas. It provides reliable and customized solutions anchored on predictive physics modeling and virtual prototyping expertise to allow industries to make the right decisions at the right time, while managing their complexity. It acts principally in automotive & land transportation, aerospace, defense and naval and heavy industries. The company was founded by Alain Loriot de Rouvray, Jacques Dubois, Iraj Farhoomand, and Eberhard Haug in 1973 and is headquartered in Paris, France.

Webwasher AG provides Internet security solutions for corporations, educational institutions and government agencies. It develops and markets products for the growing content security management and policy enforcement tool market. The company's products include standalone and integrated solutions for Internet content security and filtering, including URL filtering, e-mail and spam filtering, virus protection, SSL filtering, instant message, peer-to-peer blocking and Internet usage reporting. It has established reseller and strategic partnerships with organizations including NetworkAppliance, IBM, Computer Associates and Network Associates. Founded in 1999, the company is headquartered in Padeborn, Germany.

ESI Software Germany GmbH develops and provides virtual reality software solutions. The company was founded by Andreas Rößler on December 20, 2000 and is headquartered in Stuttgart, Germany.