| Name | Region |
|---|---|
| Ametists | Kiev |
| AmiFactory | Kiev |
| amp_proger | |
| Andormeda | Kiev |
| Andriy Diduh | |
| ANDRIY.CO | Kiev |
| AniArt | |
| Antena.com.ua | Kiev |
| Antivirus at | Kiev |
| Antosh & Co | Kiev |
| Aoza Tech | Kiev |
| Apelsun Software | Kiev |
| Apixmed | |
| App2World.com | Kharkiv |
| AppControls | Kiev |
| Appexoft | |
| Appflame | |
| Appointer | |
| Appps | |
| Appsider.net | |
| Appus Studio | Kharkiv |
| APS Smart | |
| AR.TEAM | |
| ArchySoft | Kiev |
| Arcticc Web | |
| Areal | |
| Areas Code | Lviv |
| Areon Consulting | Kiev |
| ARI.company | |
| Ariolic Software | Zaporizhzhia |
| Ark Robotics | |
| AroundDB | |
| Arpo | |
| Arrible | |
| Art Joker | Kharkiv |
| Art Lemon | |
| ArtAdmires | Odessa |
| artARTERY.NET | |
| Artelogic | |
| Artem Syzonenko | |
| Artkai | Kiev |
| ARTKB | |
| Artweb | Kiev |
| AS6723 | Kiev |
| ASBIS Ukraine | Kiev |
| Asign | Lviv |
| Askep | |
| Asper.PRO | Kharkiv |
| Association Business Contact | Kharkiv |
| Association «Metaverse-UA» |