- ACT Sofia - Offers a range of communication products, development of information security systems and network solutions.
- Antipodes ltd. - A software services and development company, based in Sofia. Includes a profile and projects list.
- Arbikas - Offers Service maintenance of printers, copy machines, multifunction devices, Refilling and recycling of toner cartridges, & more.
- BASSCOM - The industry association of leading Bulgarian software development companies.Includes company overview, news, members and more.
- BBF-ZEAT GmbH - Services: Assembling computer systems, Retail sales of computer components & periferals, Software products, Structure cabling, etc
- Bioteam Software - A software development company. Provides custom software solutions, information systems, eCommerce & custom web-based solutions.
- Datecs Ltd. - Develops an effective technology for the digitalization of scanned map images.
- Dolphin-3 Computers - Work with computer systems, networks and telecommunications, office equipment, and software product development.
- ePay Ltd - Specializes in the production of bank software and the making of payment systems.
- Fadata Ltd. - Provides its own developed software for insurance, financial and business management and complete system integration solutions.
- Kanisco Ltd. - Developing of Information Systems, applied software, databases and Geographic Information Systems.
- Melon Mobile - An industry leader in developing and marketing mobile productivity solutions across a variety of platforms.
- Melon Technologies, Inc. - Offers development of custom applications, web, multimedia, and integrated brand design solutions.
- PROXIAD Group - A provider of software engineering services structured as a network of regional subsidiaries in France and Bulgaria.
- RTS Computers - Offers system integration and distribution of PCs and accessories.
- Sirma Solutions - Specializes in IT Consulting and R&D of high-quality tailor-made software projects.
- Software Company Ltd - The company is located in Bulgaria and specializes in software development.
- Software Solutions Ltd. - A company specialized in custom software development, web design, Internet/Intranet applications and consulting services.
- Stemo - IT consulting and sales of computer equipment, software and consumables.