Business and Economy
Computers and Internet, Adis Ltd., Anko 94, Bojidar Dimitrov DDS, City Guide, Elta Consult, Kaspa, M3 Communications Group, Inc., Orbitel, Team Intellect, Vest Auto
Education
Bulgarian Academy of Sciences, New Bulgarian University, Technical University of Sofia, University of Chemical Technology and Metallurgy
Channel Sofia
Provides collection of links in 13 categories including art, business, education, and museums.
Sofia - the Capital
Features the city's history, culture, sightseeing, restaurants, transport, and maps.
Sofia Municipality
Official web site offering information about the city's history, economy, transport and municipal council, maps and photos, information and projects for potential investors.