| SHST Hotels Ltd Пловдив, BulgariaReal Estate | Бюджетни Имоти Луксозни Къщи Жилищни Комплекси | |
| EPElia plc Dobrich, BulgariaEnergy, Utilities & Waste Treatment | Construction work Installation services (except software) Електрически Табла Енергийни Проекти Проектиране | |
| EYElektrorazpredelenie Yug Plovdiv, BulgariaEnergy, Utilities & Waste Treatment | Construction work Installation services (except software) Електроразпределение Електрическа Енергия Електроразпределителна Мрежа | |
| HEHI Engineering Ltd. Sofia, BulgariaEnergy, Utilities & Waste Treatment | Construction work Installation services (except software) Дизелови Генератори UPS Устройства Резервирано Захранване | |
| IPInternational Power Supply Sofia, BulgariaEnergy, Utilities & Waste Treatment | Construction work Installation services (except software) Power Conversion Technologies Energy Storage Solutions UPS Systems | |
| BSBlack Sea Economic Zone Cluster (BSEZC) Varna, BulgariaReal Estate | Construction work Architectural, construction, engineering and inspection services Индустриални Паркове Инвестиционни Проекти Строителство На Индустриални Обекти | |
| ATAdvance Tech Ltd Sofia, BulgariaBusiness Services | Компютри Електроизграждане Фотоволтачни Инсталации | |
| TCTIU Canada BulgariaEnergy, Utilities & Waste Treatment | Construction work Installation services (except software) | |
| SMSolar Montage Team Sofia, BulgariaEnergy, Utilities & Waste Treatment | Construction work Installation services (except software) Строителство На Фотоволтаични Централи Инсталация На Фотоволтаични Централи Соларни Паркове | |
| C3Contragent 35 Ltd. Stara Zagora, BulgariaEnergy, Utilities & Waste Treatment | Construction work Installation services (except software) Електрически Материали Оборудване За Средно Напрежение Оборудване За Високо Напрежение | |