| SScientAct Sofia, BulgariaResearch & Technology | IT services: consulting, software development, Internet and support Агрометеорология Метеорологични Станции Хидрометеорология | |
| PPhotolitics Ruse, BulgariaResearch & Technology | IT services: consulting, software development, Internet and support Software package and information systems LS2G Linescan Image Sensor CMOS Charge-Domain Global Shutter Pixel IP Custom CMOS Image Sensor Design | |
| PDPower Drone OOD Sofia, BulgariaResearch & Technology | IT services: consulting, software development, Internet and support Software package and information systems Дронове Изкуствен Интелект Обработка На Данни | |
| LOLaboratory of Mathematical Chemistry Burgas, BulgariaResearch & Technology | IT services: consulting, software development, Internet and support Software package and information systems Математическа Химия QSAR Моделиране Молекулярно Моделиране | |
| TBTNS BBSS SEE Sofia, BulgariaResearch & Technology | IT services: consulting, software development, Internet and support Business services: law, marketing, consulting, recruitment, printing and security Market Research Consumer Insights Data Analytics | |
| ISInternational Scientific Events Burgas, BulgariaResearch & Technology | IT services: consulting, software development, Internet and support Business services: law, marketing, consulting, recruitment, printing and security | |
| PPollenity BulgariaResearch & Technology | Research and development services and related consultancy services Bee Health Monitoring Biodiversity Protection Beekeeping Technology | |
| BOBulgarian Online Research Sofia, BulgariaResearch & Technology | IT services: consulting, software development, Internet and support Business services: law, marketing, consulting, recruitment, printing and security Online Market Research Пазарни Проучвания Digital Data Collection | |
| MIMicar Innovation (Micar21.com) Sofia, BulgariaResearch & Technology | Software package and information systems Research and development services and related consultancy services Drug Discovery AI Drug Discovery Insilico Drug Design | |
| ARAlpha Research Ltd. Sofia, BulgariaResearch & Technology | IT services: consulting, software development, Internet and support Software package and information systems Социални Изследвания Пазарни Проучвания Социологически Проучвания | |