Architects
31 - AR ARCHIBAU Ltd.
- AR ARHONT Ltd.
- AT A-Three Architecture and Development Ltd.
- BU BULARCH Ltd.
- BU BULGARCONSULT A&E Ltd.
- VA VAMOS Ltd.
- VA VANIKA 2 Ltd.
- DE DESET ARCHITECTS Ltd
- EL ELITE Ltd.
- NT NTP PROJECT Ltd.
- IV IVO PETROV – ARCHITECTS Ltd.
- IN INTEGRA CONSULT PROJECT Ltd.
- IT ITCONSULT Ltd.
- KA KAPITEL 2000 Ltd.
- CA CASTILLIA Ltd.
- CO CONCURENT-90 Ltd.
- LP LP CONSULT Ltd.
- LS LS ENGINEERING Ltd.
- MA MAKTER CONSULT Ltd.
- MA MARKAN PROJECT Ltd.
- MU Municipal enterprise Sofia - proekt
- MU Municipal enterprise Sofproekt
- PL PLANNING Ltd.
- PR PROARCH Jsc.
- PR PROJECTS Ltd.
- PR PROIN PLUS Jsc.
- ST STEPHEN GEORGE INTERNATIONAL – BULGARIA Ltd.
- ST STRONGIL STROY Ltd.
- ST STUDIO 17,5 Ltd.
- TO TOBO-PROJECT Ltd.
- FA FAR-90 Ltd.
Construction companies
25 - AR ARGOGROUP EXACT Ltd.
- BA BALKANSTROY Jsc.
- BA BAUER BULGARIA Ltd.
- BO BOKAL ENGINEERING Ltd.
- VA VALMEX Ltd.
- GE GEOTECHMIN Ltd.
- GL GLAVBOLGARSTROY Inc.
- GP GP GROUP Jsc.
- DO Dogus Construction and Trade Inc.
- EU EURO ALLIANCE Jsc.
- IN INTERPROM Ltd.
- CO COMFORT Ltd.
- CO CORDEEL BULGARIA Inc.
- LI LINDNER IMMOBILIEN MANAGEMENT Ltd.
- MA MARKAN Ltd.
- NI NIVEL Ltd.
- NI NIKMI Jsc.
- PO POLIMERINJECT Ltd.
- SI SIENIT HOLDING Jsc.
- ST STANILOV Ltd.
- TA TAISEI CORPORATION Inc.
- TR TRACE GROUP HOLD Plc.
- FI FILTO-S Ltd.
- HI HIDROINJECT Ltd.
- HU HUFU Ltd.
Investment companies
19 - AL ALIPINE Bau GmbH
- AN ANEL 98 Ltd.
- GA GARITAGE INVESTMENT MANAGEMENT Ltd.
- ET ETEM GROUP Inc.
- CA CARREFOUR BULGARIA
- KA KAUFLAND BULGARIA Ltd.
- LI LINDNER BULGARIA Ltd.
- MC M CAR SOFIA Ltd.
- ME METROPOLITAN Plc.
- PR PRIME PROPERTY BG REIT
- DO DOUBLE RAINBOW GROUP Ltd.
- RE REHAU BULGARIA Ltd.
- SO SORAVIA BULGARIA Inc.
- SP SPRIDER STORES Ltd.
- SO SOFIA MUNICIPALITY
- TE TERRA TOUR SERVICES Ltd.
- UN UNICREDIT BULBANK
- FA FAIRPLAY INTERNATIONAL Jsc.
- HO HOCHTIEF AG