| .Download 4 You | Jablanica |
| 2GoodWeb | Belgrade |
| 30Hills | |
| 3KOM | Zaječar |
| 3Lateral | |
| 99 Online Shop | Belgrade |
| A1 Srbija d.o.o. | Belgrade |
| Abazzo | |
| abisSOFT | Belgrade |
| Adacco | Belgrade |
| Adaptacija | Belgrade |
| Adriahost d.o.o. | Belgrade |
| Adviola Web Dizajn | Belgrade |
| Aetherius Solutions | |
| Agencija Elupra | Belgrade |
| Agile Serbia | Belgrade |
| Agremo Ltd | Belgrade |
| Akademija strukovnih studija Zapadna Srbija | |
| Akademija tehničko-vaspitačkih strukovnih studija Niš | |
| Akademska mreža Republike Srbije | |
| Albero Art | South Bačka |
| Aleksandar Vacić | Belgrade |
| Alfa BK Univerzitet | |
| AlfaNum Ltd | South Bačka |
| AlgoMetric | |
| Algotech | Belgrade |
| Alt Labs | |
| Alti Computers & Telecomunication | Belgrade |
| AltitudeIT | |
| Amber Software d.o.o. | South Bačka |
| AngryLynx | |
| Anima d.o.o. | Belgrade |
| Animat Studio | Belgrade |
| Antech Consulting d.o.o. | |
| Anticforma | Šumadija |
| apiip.net | Belgrade |
| Application Software Partner d.o.o. | Belgrade |
| Appomart | |
| Archibility | Belgrade |
| ARIN d.o.o. | Belgrade |
| Arrowhead Development | |
| Ars Media | Belgrade |
| AS design | Belgrade |
| ASBIS Srbija | Belgrade |
| Assembly Developers | Belgrade |
| Astra Telekom d.o.o. | Belgrade |
| AT Haus Art & Technology | Belgrade |
| Atlantis Software d.o.o. | |
| Automatika | Belgrade |
| AutoPlacXP | Jablanica |