София.

В София има 320 фирми.

Фирма	Работно време
DATACIDERS Catenate BG EOOD
Datamax
Delasport
Devision
DevriX
DevScale
DevTeamBG
Diam&Tech
Dreamix
DreamShot
DV Play Solutions Ltd
E-Novator
Edge Soft Ltd.
eLando AD
Endava
EngView Systems JSC
EPAM Systems
ERP Bulgaria Ltd.
Esri Bulgaria
Experian
Exsisto Ltd.
Extensa Web Development
Fadata
FIO Systems
Global Consulting
Global Data
Global System Solution
Grind Web Studio
Grumspot
HedgeServ Bulgaria
IG Soft
Ignite Vision Ltd
Ilusweb
Imperia Online JSC
Indeavr
IndigoVerge
Information Services AD
InterConsult Bulgaria
Internovus
IO Era
Iris Technologies EOOD
ISquare
ivuWorks
Jacub Web Design
jBoxers
Kipi Interactive
Ladger
Lean Digital Solutions
Lexebra
Lexis Solutions