EDA Ltd. - Offers software development, system integration, computer assembling, and networks building. - http://www.edabg.com/
Elovitza - Manufacturer of industrial explosives, includes list of products and contact information. - http://www.elovitza.bg/elofr-en.html
Impuls Ltd. - Joint-stock company from the military complex, which main activities are advanced technology, industrial and commercial service, in the sphere of the driving modules, time-delays, counter mechanisms, and means of automation. - http://www.impuls.bg/