Public Administration:
- Directorate General Civil Aviation Administration
- Executive Agency Electronic Communication Networks and Information Systems
- Ministry of Environment and Water of Bulgaria
- National Social Security Institute (NSSI) – Sofia and 40 sites all over the country
- National Statistical Institute
- Regional Administration Ruse
Banks:
- Alpha bank
- Citibank
- CSoft
- DSK Bank
- ING Bank
- PIRAEUS BANK
- Societe General Expressbank
- UniCredit Bulbank
- UniCredit Consumer Financing
Hotels:
- Belmeken Alpine Sport Complex
- Best Western City Hotel
- Central Park Hotel Sofia
- Crowne Plaza Hotel - Sofia
- Grand Hotel Sofia
- Grand Hotel Varna
- Hotel Cherno More
- Hotel complex Pamporovo
- Hotel Helios
- Hotel Hilton – Sofia
- Hotel Istar
- Hotel Jasmin
- Hotel Metropol
- Hotel Samokov
- Hotel Slaviani
- Hotel Sol Luna Bay - Biala
- Hotel Tintyava
- Imperial Hotel Complex
- Interhotel Sandanski
- International house of jurnalist
- Kaliakria Resort
- Kempinski Hotel Grand Hermitage
- Keramik - GT
- Metropolitan Hotel Sofia
- Village town Dallas - Varna
Foreign investments:
- Aurubis Pirdop
- BILLA Bulgaria
- Carrefour Bulgaria
- Cheque Dejeuner – Bulgaria
- Filo diretto Bulgaria
- GLOBUL – Cosmo Bulgaria Mobile
- Henkel Bulgaria
- Montupet Bulgaria - Ruse
- SOLVAY SODI S.A. - Devnya
- Swedish match Plam Bulgaria - Kostenec
- Trakya Glass Bulgaria (Sisecam Bulgaria)
Air-services sector:
- Air Force 28
- Air France Bulgaria
- Bulgarian Air Traffic Service Authority
- Fraport Twin Star Airport Management - Varna Airport and Burgas Airport
- Sofia Airport
- Turkish Airlines
Ports:
- Port Varna
Power Stations:
- Nuclear Power Plant – Kozloduy
- Thermoelectric Power Plant Marica East 2
Hospitals:
- Endocrinology Hospital - “acad. Ivan Penchev”
- Hospital “Tokuda”
- University Hospital “St. Naum”
- Univeristy Multiprofile Hospital for Active Treatment - "Alexandrovska"
- Univeristy Multiprofile Hospital for Active Treatment and Emergency Medicine – “Pirogov”
- University National Specialized Hospital “St. Ekaterina”
Universities and schools:
- Todor Kableshkov University of Transport
- University of Economics – Varna
Embassies and Councils:
- British Council Bulgaria
- Consulate of France
- Embassy of Belgium
- Embassy of Italy
- Embassy of Switzerland
- Embassy of The Republic of Turkey
- French Commercial Representation
Municipalities:
- Municipality Gabrovo
- Municipality Razgrad
- Municipality Stara Zagora
- Municipality Yambol
Law Courts:
- Administrative Court Rousse
- Aliena Consult Law Office
- Law Firm Batkov and Assocs
- Prosecutor's Office of The Republic of Bulgaria
- Regional Court Blagoevgrad
- Regional Court Yambol
- Sofia District Administrative Court
Insurance Companies:
- Generali Bulgaria Holding
- Insurance company GRAWE Bulgaria
- Insurance company UNIQA
Posts:
- Bulgarian Posts - Haskovo
- Bulgarian Posts - Plovdiv
- Bulgarian Posts - Sofia
Military:
- Ministry of Defence of The Republic of Bulgaria
Others:
- Act Logistics
- Agency for Foreign Aid
- Agri Bulgaria
- Agri-M
- Aiger Engineering
- Alexander Logistics
- Amex Service
- Andy
- Astral Holidays
- Audiosystems
- Automotor Corporation - Plovdiv
- Automotor Corporation - Veliko Tarnovo
- Aviation Services Bulgaria M&M
- Azotnotorov plant
- Bakery Russe
- Biomeda 2000
- Bon Marine
- Boyars
- Bulgargaz
- CallCenter Bulgaria
- Carlsberg Bulgaria
- Clock
- Commercial League Health Care Group
- DECA
- Dilcom Bulgaria
- Dinamik
- DIO
- DION
- Electroimpex
- Energy - Ka
- Eskana
- Fiat Kobelco Bulgaria
- Flavia
- Foundation Friedrich Ebert
- Galchev Holding
- Golden Anchor Consult
- Hebrosgas
- Hypo Alpe- Adria- Leasing
- International Fair - Plovdiv
- Izida
- KITTNER Anlagen und Maschinenbau
- Kosser
- Kremikovtzi
- Legia Rakovski
- Lessoplast
- Lifton Bulgaria
- Lovenshtain Bulgaria
- M&M Air Cargo Services Bulgaria
- M+S Hydraulic
- Mesokombinat Russe
- Metal Invest 2006
- Mine Bobovdol
- NITEC
- Nu Boyana Film Studios
- Orgachim
- Panhim
- Piero97
- Plastchim-T
- Polimeri
- R&S- Russe
- Risk Engineering
- Sanex
- Servicemed
- Sofia Property
- Solvex Cosmetic Products
- Sopharma
- Studio Moderna
- Supermarket Tempo
- Supermarkets Piccadilly
- TAES Nelbo Engineering
- Tempodem
- TMF Services
- Toplofikatsia Ruse
- Tumbleweed Communications
- Vinex Preslav
- Vinprom Rousse