AB Vilniaus Attica, AES Horizons, AIG Emerging Europe Infrastructure Fund L.P., AIG-CET, Banco Bilbao Vizcaya Argentina, S.A., Bank Austria, Bank Gutmann AG, Bank Hapoalim, Bank of America, Bankers Trust (UK), Banque Nationale de Paris, Barclays Bank PLC, BAWAG, Bayerische Landesbank, Berlinische Leben, Black Sea Trade and Development Bank, BlueCrest Mercantile III B.V., BNP Paribas, Bulgarian American Enterprise Fund, BUNGE, Cargill, Carlsberg Breweries A/S and its subsidiaries Shumensko Pivo AD and Pirinsko Pivo AD, China Development Bank, Citadel Investment Group (Europe) Ltd, Citibank, Citigroup Global Markets Limited, Commerzbank, Copenhagen Airports, Credit Suisse First Boston (CSFB), CREDITAS, Czech Export Bank, DEG Invest, Deutsche Bank, Development Capital Management, Dexia Kommunalkredit Bank, Diners Club, Donaldson, Lufkin & Jenrette (UK), DSK Bank, DVB Bank SE, EBRD, Enel, Entergy, Erste Bank der österreichischen Sparkassen AG, European Investment Bank, Export - Import Bank of the United States, First Data Corporation, First Investment Bank, GE Commercial Finance, Globalstroy Engineering OJSC, Green Forest Project, Gruppo Societá Gas Rimini, GTC, HVB Bank Biochim, Hypo Public Finance Bank, HypoVereinsbank, IFC, IMI, ING Bank, ING Barings (UK), Intel, ÍSLANDSBANKI hf., Jet Finance, JPMorgan, KBC Bank, KBC Bank and Insurance Holding Company, Lehman Brothers International (Europe), MasterCard Europe, Merrill Lynch, Mid Europa Partners, MKB Bank, Budapest, Morgan Stanley UK Group, Morgan Stanley, New York, NM Rothschild & Sons, Nomura International PLC, Novator, OMX Group PLC, Orchid Holding, Österreichische Volksbanken AG, OTP and DSK Bank, Piraeus Bank, ProCredit Bank (Bulgaria) AD, Proventus Capital II AB, Rabobank, Raiffeisen Bank Bulgaria EAD, Raiffeisen Zentralbank Österreich AG, Refco Capital Markets Ltd, Renaissance Capital Group (Russia), Shore Capital, Slanchev Den, Société Générale, Standard Bank Plc, Sunny Day Co, T.C. Ziraat Bankasi, TBI Holding, Telelink, The Bulgarian Ministry of Finance, The Norwegian Credit Agency, UBS, United Bulgarian Bank, Volvo Truck Corp., Wells Fargo Bank, N.A., Western Union, Z BETA S.à r.l., Zobele Holding S.p.A