Sigmatron was established in 1990 in the city of Sofia. The company specializes in the development and manufacture of industrial appliances. The list of products, manufactured by Sigmatron consists of a large and diverse spectre. These products can be applied successfully in many spheres and provide great opportunities to companies involved in engineering, as well as to end consumers in solving difficulties in this sector. The company disposes of production equipment for SMD setup of components, which is a guarantee of the quality of products manufactured by the company. Sigmatron was certified in accordance with the ISO 9001 standard in 2000. Large companies involved in engineering, projecting and installation are among Sigmatron clients. Additional information about the company can be found within the annex.