София.

В София има 167 фирми.

Фирма	Работно време
America for Bulgaria
American Councils Bulgaria
Apolonia Foundation
Arete Youth Foundation
Atlantic Club of Bulgaria
Aviation Regulatory Training Standards Association (ARTSA)
BA Diabet / Българска Асоциация Диабет
Balkan Heritage Foundation and Field School
Bat World Bulgaria
Bilitis Foundation
BlueLink Foundation
Bulgarian Angels Club
Bulgarian Antarctic Institute
Bulgarian Assоciation for Drug Information
Bulgarian Basketball Federation
Bulgarian Bridge Federation
Bulgarian Centre of Women in Technology - BCWT
Bulgarian Chamber of Chemical Industry
Bulgarian Hotel and Restaurant Association
Bulgarian Modeling and Simulation Association
Bulgarian Public Relations Association
Bulgarian Volleyball Federation
C.E.G.A. Foundation
CaritasBulgaria
Center for the Study of Democracy
Chado Urasenke Tankokai, Bulgaria
CORPluS Foundation
Credo Bonum Foundation
Crescendo Bulgaria
Endeavor Bulgaria
European Center for Transport Policies
FBN Bulgaria
Friedrich Naumann Foundation Bulgaria and North Macedonia
Good Governance Institute
Greeks in Sofia-Bulgaria Έλληνες στην Σόφια-Βουλγαρία
Hellenic Business Council in Bulgaria
Institute of Biodiversity and Ecosystem Research - BAS
IWS Bulgaria
KizombaHolics BG
Musiz Foundation
New Hope Foundation
NIE - Мрежа на Независими Експерти
Night Riders MC Bulgaria
Patronato Tutela Previdenziale Bulgaria
Porsche Club Bulgaria
Scripture Union Bulgaria
Social Innovators България
SweCham Bulgaria
The Aleksander Foundation
Tulip Foundation / Фондация Лале