| TCTesting Center GLOBALTEST Sofia, BulgariaResearch & Technology | Health and social work services Medical equipments, pharmaceuticals and personal care products Лабораторни Тестове Химически Анализи Микробиологични Изследвания | |
| FRFidelis Research AD Sofia, BulgariaResearch & Technology | Health and social work services Research and development services and related consultancy services Биологични Проби Биопроби Биосъвместими Проби | |
| I-IMR - Institute for Medical Research Sofia, BulgariaResearch & Technology | Health and social work services Research and development services and related consultancy services Personalized Medicine Human Tissue Procurement Scientific Projects | |
| 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 | |
| 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 | |
| SScientAct Sofia, BulgariaResearch & Technology | IT services: consulting, software development, Internet and support Laboratory, optical and precision equipments (excl. glasses) Агрометеорология Метеорологични Станции Хидрометеорология | |
| SBSofia Bio Sofia, BulgariaResearch & Technology | Medical equipments, pharmaceuticals and personal care products Research and development services and related consultancy services | |
| MMMAP Marketing Research Sofia, BulgariaResearch & Technology | IT services: consulting, software development, Internet and support Business services: law, marketing, consulting, recruitment, printing and security Маркетингови Проучвания Онлайн Пазарни Проучвания Анализ На Потребители | |
| LOLaboratory of Mathematical Chemistry Burgas, BulgariaResearch & Technology | IT services: consulting, software development, Internet and support Research and development services and related consultancy services Математическа Химия QSAR Моделиране Молекулярно Моделиране | |