Public Administration

Hungary: Hungarian Tax and Financial Control Administration, State Audit Office of Hungary, Baranya County Labour Centre, Baranya County Local Government, Békéscsaba County Local Government, Ministry of Interior, Central Data Processing, Registration and Election Office of the Ministry of Interior, Municipality of Budapest, Local Government, Office of the Mayor, Budapest-Újbuda Mayor's Office, Budapest-Zugló Mayor's Office, South-Transdanubian Regional Labour Centre, Educatio Social Service Public Company, Public Employment Service, Ministry of Economy and Transport, Budget Department, Ministry of Information and Communication, Local government of Kétújfalu, Ministry of Environment and Water, Hungarian Central Statistical Office, Hungarian Energy Office, Hungarian National Assembly, Hungarian Territorial and Regional Development Office, Prime Minister’s Office, State Highway Management Company Ltd., National Family and Social Policy Institute, National Development Agency, National Communications Authority, Ministry of Education, Parliamentary Commissioners’ Office of Hungary, National Health Insurance Fund, National Council of Justice of Hungary, Local Government of Pécs, Town with County Rights, Somogy County Labour Centre, Local Government of Sopron County, Local Government of Szolnok, Town with County Rights, VÁTI Hungarian Public Nonprofit Company for Regional Development and Town Planning, Romania: Ministry of Economy and Finance, Ministry of Justice, Ministry of Transport and Communications (MTC), National Institute of Statistics, Ministry of Agriculture and Rural Development, Ministry of Communications and Information Society, Ministry of Foreign Affairs , Ministry of Development, Public Works and Housing, National Agency for Civil Servants, Ministry of Administration and Interior, EU Delegation in Romania, Romanian National Customs Administration, Authority for the Coordination of Structural Funds Croatia: Ministry of Interior, Ministry of Justice, Croatian Bureau of Statistics, Municipality of Baranya County; Bulgaria: Ministry of Interior, Bulgarian Tax Administration, National Revenue Agency, Ministry of Justice, Council for Electronic Media, Ministry of Regional Development and Public Works, Ministry of Justice;  Albania: National Institute of Statistics; Bosnia and Herzegovina: Directorate for Civil Aviation, Macedonia: Broadcasting Council, Agency for Electronic Communications (AEC), Ministry of Interior, , Police Border Service, Ministry of Transport and Communication, Ministry of Labour and Social Policy, Customs Administration of Macedonia Serbia: Ministry of Finance, Customs Administration of Serbia, Ministry of Labor and Social Policy, Ministry for Human and Minority Rights, Public Administration and Local Self-Government, Ministry of Culture, Media and Information Society, Kazakhstan: Ministry of Labour and Health.

Financial services

Hungary: AEGON Hungary Credit Corp.,, Rural Credit Guarantee Foundation, Allianz Hungary Insurance Corp., Central Credit Information System, Budapest Bank Nyrt., Budapest Stock Exchange, CIB Bank Zrt., CIB Leasing Ltd., CIB Rent Ltd., Citibank Ltd., Student Loan Centre, Erste Bank Hungary, Land Credit and Mortgage Bank Ltd., Fundamenta-Lakáskassza Building Society Ltd., Inter-Europa Bank., K&H Bank, K&H Insurance, KELER, Hungarian Cetelem Bank, Hungarian Export Credit Insurance Pte Ltd., Hungarian Development Bank, Hungarian Central Bank, Hungarian Post Insurance, Hungarian Post Life Insurance, Bank of Hungarian Savings Cooperatives Ltd., MKB Bank, MKB Euroleasing Car park, OTP Bank, OTP Guarantee Insurance, OTP Hungaro-Projekt Kft., Raiffeisen Bank Zrt., UniCredit Bank Hungary Zrt., Bank of Savings Völgyes-Hegyhát, Romania: OTP Bank Romania S.A.; Croatia: OTP Banka Hrvatska; Bulgaria: DSK Bank; Ukraine: OTP Bank Unkraine.

Telecommunications and media

Hungary: Magyar Telekom, Pannon GSM Telecommunication Ltd., Pantel, Vodafone Hungary Ltd., Hungarian National Communications Authority, UPC Hungary Ltd., MTM-SBS, Cellum, Fibernet, Magyar Posta, Hungarian Radio Ltd., Macedonia: MobiMak AD-Skopje, Agency for Electronic Communications, Broadcasting Council, Romania: Ministry of Communications and Information Technology; Bulgaria: Council for Electronic Media; Montenegro: Ministry of Transport, Maritime Affairs and Telecommunications.

Energy and Public Utilities

Hungary: Hungarian Power Companies Ltd., Budapest Electric Works, Olajterv Holding, Shell Hungary, Energy Centre, EMA-POWER and Power generation services Ltd. (following its merger, currently trading as ISD POWER), MAVIR Hungarian Transmission System Operator Company Ltd., Hungarian Energy Office, Hungarian Electricity Supply Company, E.ON Hungária Ltd., E.ON Energy Supplier Ltd., MOL Hungarian Oil and Gas Public Limited Company, Paks Nuclear Power Plant, Waterworks of Budapest, South Hungarian Electric Supply Joint-Stock Company (Démász), E.ON South-Transdanubian Gas Supply, Budapest Gas Works Public Limited Company, Romania: Primagaz Romania S.r.l.

Health and Education

Hungary: National Health Insurance Fund, National Institute of Pharmacy, Semmelweis University, Corvinus University of Budapest, University of Pécs, Central European University, Széchenyi István University, Sanofi-Aventis, Diagnosticum, EGIS Pharmaceuticals PLC, Novartis Hungaria, Romania: Richter Gedeon, Universitatea  „1 decembrie 1918” Alba Iulia, Kazakhstan: Ministry of Labour and Health.

Transport and Industry

Hungary: Aeroplex of Central Europe Aircraft Technology Center - ACE, Budapest Airport Ltd, BKV - Budapest Transport Ltd, HungaroControl Hungarian Air Navigation Services Pte. Ltd. Co., Hungarian Public Roads Company, Malév Hungarian Airlines, Hungarian Railways (MÁV), MÁV Cargo (Freight Transportation Company), National Motorway Corporation, National Transport Authority, National Infrastructure Developing Ltd (NIF), Bosnia and Herzegovina: Directorate of Civil Aviation (BHDCA).