| LambdaWorks d.o.o. | |
| Laptop Centar | Belgrade |
| Laptop Klinika | Belgrade |
| Lazacom | Belgrade |
| LIMIS d.o.o. | Belgrade |
| Limundo | Belgrade |
| LINKgroup | Belgrade |
| Linkom | Belgrade |
| Linum Internet Solution Ltd | |
| List.rs | Belgrade |
| Livona d.o.o. | Belgrade |
| Lobbster | |
| Logdesign | Belgrade |
| Logeecom d.o.o. | Belgrade |
| Logik | Nišava |
| Logo Dizajn | Belgrade |
| Lola institut d.o.o. | Belgrade |
| Lucky Web Solutions | |
| M Lab Studio | |
| M&I Systems, Co. Group | South Bačka |
| m2-webs | Belgrade |
| Majstorska Radiomica | Mačva |
| Marble IT | |
| Markom Dizajn | Belgrade |
| Mauer Ventures | Belgrade |
| mBrainTrain | Belgrade |
| MD Vsions | Belgrade |
| Media Marketing | Belgrade |
| Mega Computer Engineering | Belgrade |
| Megatrend a.d. | |
| Megatrend Univerzitet | |
| Meris | Belgrade |
| MicroENV | South Bačka |
| Microgen Internet Consulting & Solutions | Belgrade |
| MICRONET d.o.o. | Belgrade |
| Microsoft Serbia | Belgrade |
| Mida Studio | Belgrade |
| Mikro Kontrol d.o.o. | Belgrade |
| MikroElektronika d.o.o. | Belgrade |
| Milan & Friends | |
| MILE.dev | |
| MINE d.o.o. | Šumadija |
| Mirror Code | |
| Mirror Solutions Group | |
| MitrilGM | Belgrade |
| ML Konferencija | Belgrade |
| MM Studio | Belgrade |
| Monitor System d.o.o. | Belgrade |
| Movement | Belgrade |
| Moveo One | |