Ercom computer software company, do software programme to companies that, use automation in window wood PVC plastic works. PVC, aluminium, window, door, optimization sectors. Our softwares increase accelerate of companies in industries, to bring in to sectors door window sectors, PVC plastic sectors. And also bring in to sectors low cost. Our programmes: Ercom2000 Professional, Ercom Glass2005, Ercom D Optimization, Ercom Practical Commercial Set, and etc. Ercom 2000 Window Program, which brings success to Window sector, was presented to our dear customers at 2001, after long research, progress and three years of work. Efficiency of parametric structures is most important in this program. Our program differs from other programmes because it gives a leg up all systems. This program suits one hundred percent to PVC, Aluminum, Wooden systems. Ercom 2000 is used by 1800 companies in Turkey and 33 countries. Ercom 2000 is presented in three languages, English, Romanian and Russian.