Stemo - Offers IT solutions including the design, installation, system integration and support of complex information systems. S&T - A system integrator that provides IT solutions for various sectors of the market. Includes profile, list of partners and customers, and training center. Argo - Contar - Imports and distributes structured cabling systems, telecommunication equipment, installation and service maintenance. Polycomp Ltd. - Delivers and wholesales IT equipment and software of leading manufacturers. DataOptics - Distributes components for structured cabling systems, active LAN/WAN equipment, fiber optic cables, components and accessories. [Bulgarian, English] Netis - Provides installation and maintenance of structured cabling systems, LAN, WAN and Internet. ACT Sofia - Offers communication products, development of information security systems and network solutions. Torin Co. - Provides PC systems components and peripherals. Dolphin-3 - Offers PC systems, parts, components, and accessories, peripheral units, network hardware and software. Comel Soft Multimedia - Lists company information, products, associated links and online system configurator. RTS Computers - Offers system integration and distribution of PCs and accessories.