| "Джи Ди Пи" ООД | Sofia |
| "Пан Тeлеком" ЕООД | Sofia |
| "Сиела Норма" АД | Sofia |
| "УЕБ АРТ" ЕООД | Sofia |
| "ЦАПК Прогрес Груп" АД | Sofia |
| #TAG Web Studio Ltd | Sofia |
| 1001s.net | Sofia |
| 123.bg | Sofia |
| 365 Data Science | Sofia |
| 3D Уеб Дизайн | Sofia |
| 3GEN Toner Station | Sofia |
| 3M Software | Sofia |
| 3veta | Sofia |
| 411Marketing EOOD | Varna |
| 6 AM Web Agency | Sofia |
| 60k Ltd | Sofia |
| 9Academy | |
| A Data Pro | Sofia |
| A-sharp Ltd | Sofia |
| A.C.T.A. Ltd | Sofia |
| A1 | Sofia |
| A4E Ltd | Sofia |
| ABC Design & Communication | Sofia |
| Abilitics | |
| Able Bulgaria | Sofia |
| Ablen | Sofia |
| Accedia | Sofia |
| Acom | Sofia |
| ACT Sofia | Sofia |
| Adasoft | Sofia |
| adminbg | Sofia |
| ADSYS | Sofia |
| Advance Terrafund | Sofia |
| Advisea | Sofia |
| Advokatami.bg | Sofia |
| AdwayCreative | Sofia |
| AE Ventures | Sofia |
| AerialNet Telecommunications Ltd | Blagoevgrad |
| AeroSight | |
| AG Capital | Sofia |
| Agresia | Plovdiv |
| Agromo | Sofia |
| AI Cluster Bulgaria | Sofia |
| AI Smart Tech | Sofia |
| AIBEST | |
| AidaNet | Sofia |
| AIN Advertising & Design Studio | Sofia |
| AIoTCloud | |
| AirDesigns | Sofia |
| Akermann Electronic BG JSC | Sofia |