София.

В София има 151 фирми.

Фирма	Работно време
Curtis Balkan
Customdecor AA
Dahua Bulgaria
Djerjinski Custom Guitars
dormakaba Bulgaria
Drag Bicycles
Ecotonus
Element Industrial
EVO Aviation Ltd.
Extrema Trailers
FABCO
Ficosota
Ganz Model Design
Giga Automata
Hot E Wheels
I/TEMS Design Showroom
Iceberg International
Isoline Ltd
Itronix ltd
Izamet 05 LTD
Kostova and Stoychev
Leds4economy
Loren Networks
Marimex
MaxCard Ltd.
Melexis Bulgaria
Migatronic - България
Neomontana Electronics
Octa Light Bulgaria
Organic Solutions - тревен чим, тревни смески, озеленяване, торове
Palomita
Poli Tek
Rast
Ruskomers-99
Santia
Shprss
Sinclair Bulgaria
Smart Electric Tech
SOMITA
Technopanel JSC
Teletek Electronics JSC
Tera In
Timmex
Toner4e
Trumpf Bulgaria
UniPOS LTD.
VAPTECH
Vesta R
Wielton Bulgaria
Yanmar Center Bulgaria