| ITC Consult | Sofia Province |
| ITCE | Sofia Province |
| Itcode | Sofia Province |
| ITD Network | Sofia Province |
| iTech-Store | Sofia Province |
| ITSolutions | Sofia Province |
| ITStandard.Net | Sofia Province |
| IVAS Tech | |
| IvuWorks | Sofia Province |
| Java2Days | Sofia Province |
| JBI Web Design | Sofia Province |
| JMTechnologies Ltd | Sofia Province |
| jQWidgets | Sofia Province |
| KakDevelopment | Sofia Province |
| Kaldata | Sofia Province |
| kaldata | |
| KASI Ltd | Sofia Province |
| KAV Design | |
| Keith Devens PHP Calendar | Sofia Province |
| Kibertron Ltd | Sofia Province |
| kobo90 | Sofia Province |
| Kodar Ltd | Plovdiv Province |
| Kontrax | Sofia Province |
| Koral Studio | Varna Province |
| KupiSait | Sofia Province |
| KVEL | Sofia Province |
| Labirint 05 Ltd | Sofia Province |
| Laptop1.eu | Sofia Province |
| LAUNCHub | |
| Ledina Web Studio | Sofia Province |
| Linux Users Group - Bulgaria | Sofia Province |
| Linux-BG | Sofia Province |
| Lirex BG | Sofia Province |
| Logicall Bulgaria AD | Sofia Province |
| Login Technology | Varna Province |
| Lozenec-Lan.net | Sofia Province |
| LSSC 2001 | |
| Lucrat | |
| Ludizain | Plovdiv Province |
| Lyra Software | Sofia Province |
| Mad Max Soft | Sofia Province |
| Mag Studio | Sofia Province |
| Magazin-online.net | Varna Province |
| MAGI Ltd | Sofia Province |
| Mail.BG | Sofia Province |
| Makaveli Studio | Sofia Province |
| Marmax Computers | Sofia Province |
| Masterplan | Sofia Province |
| Max Graphic | Sofia Province |
| Maxgroupbg | |