MOSCOW, Russia, December 4, 2006 - Top Systems, a leading provider of parametric design solutions, today announced Ufa Engine Industrial Association, Russia’s largest aircraft engine producer, has standardized on T-FLEX CAD software, Top Systems’ value-based 2D and 3D computer-aided design (CAD) system. The Ufa Engine Industrial Association (the UMPO in Russian) produces aircraft engines, engines for tractors, gas pumping and power units, as well as cutlery and other products.