| 1st1.dev | Vilnius |
| 1stopVAT | |
| 2-software.net | Vilnius |
| 2-spyware.com | Vilnius |
| 24Unite | |
| 3soft.info | Vilnius |
| 70V | Vilnius |
| ABAKAS | Kaunas |
| Abdera.lt | |
| AC Baltica, UAB | |
| Acena | Vilnius |
| Aciety Ltd | Kaunas |
| AdDuplex | Vilnius |
| ADE Exclusive Design | |
| Adeo Web | |
| Adface | |
| Admark | Vilnius |
| Advert LAB | |
| Affise | |
| AGA CAD UAB | Vilnius |
| Agenic | |
| AgileDevServices | |
| Agmis | Kaunas |
| Agnum | Vilnius |
| Ahost.lt | Vilnius |
| Ainera, UAB | |
| Aiva Sistema | Vilnius |
| AixApps | |
| AKO Technical | |
| Aktyvus Photonics | |
| Alfitas | Vilnius |
| Algoritmų sistemos | Vilnius |
| Altabel | |
| AltSpace | Vilnius |
| Ambernet | Kaunas |
| AMLYZE | |
| Anti-Virus.lt | Vilnius |
| APG Media | Vilnius |
| Aristek Systems Ltd | |
| Ark Fi | |
| Art21 Ltd | Vilnius |
| ASM Brain | |
| Asociacija "INFOBALT" | Vilnius |
| Asterman | |
| Astrolight | |
| Atrandi Biosciences, Inc. | |
| Attico | |
| azzCardfile | Vilnius |
| B4net | Vilnius |
| bads.tm | Vilnius |