Object-oriented tools and technical services provider Rational Inc has set up a joint venture company with command-and-control systems specialist CelsiusTech Systems AB in Sweden. The new company is intended to supply applications developers in medium to large organisations with software engineering support, consulting, training, and tool integration services. Both Santa Clara, California-based Rational and Stockholm, Sweden-based CelsiusTech have an equal stake in the firm, which employs software engineers from both companies. CelsiusTech is part of the Stockholm, Sweden-based Celsius Group, which focuses on the defence market, employs 2,000 staff and generates revenues of about $275m. Rational, meanwhile, is in the process of going public by reversing into Ada specialist Verdix Corp.