Aeropuertos Argentina 2000 S. A.

America TV / Channel 7 / Telefe / Channel 9 / Channel 13

Banco Hipotecario

Banco Macro

Consejo Profesional de Ciencias Económicas de la Ciudad Autónoma de Buenos Aires (Buenos Aires City Economic Sciences Professional Council) v

Tobacco Industry Chamber

Spanish Chamber of Commerce in the Argentine Republic

Gas Natural BAN

Laboratorios Bagó S. A.

Los Cipreses SA / Buquebus

Massalin Particulares

Morgan Guaranty Trust

Nextel Communications S. A.

Nobleza Piccardo

Paginas Doradas

Pan American Energy

Provincia Seguros S. A.

Raúl J. Naya Producciones

Subterráneos Buenos Aires (Buenos Aires Subway)

Supercanal S.A.

Telearte S.A.

Telecom Argentina S. A.

Telefonica de Argentina

Television Federal S. A.

Telinver, S. A. (Paginas Doradas)

Uno Multimedios S.A.

YPF S. A.

A.F.I.P. (Argentine Revenue Service)

ANSES (Argentine Pension Fund)

Bank of the Province of Buenos Aires

Central Bank of Argentina

Agriculture Ministry

National Defense Ministry

Social Development Ministry

National Ministry of Economy

National Ministry of Education

Justice, Security and Human Rights Ministry

Federal Planning, Public Investment and Services Ministry

Foreign Affairs and International Commerce Ministry

National Health Ministry

Labor, Employment and Social Security Ministry

National Ministry of Tourism

National Ministry of the Interior

Presidency of the Nation

Provincial and municipal governments

Radio Television Argentina S. A.

Government of the Republic of Bolivia

Government of the Republic of El Salvador

Government of the Republic of Paraguay

Government of the Oriental Republic of Uruguay

ITT Sheraton Corporation

Philip Morris International

United Nations Development Program

S.R.G. Survey Research Group International

Wirthlin Worldwide

Inter-American Development Bank (IADB)

International Migrations Organization (IMO)

Hidroelélectrica Española (Spanish Hydro-electric Company)

Compañia Sevillana de Electricidad (Seville Power Company)

Casa de S. M. el Rey de España (House of H.M. the King of Spain)

Dirección General de Protección Civil Española (General Spanish Civil Protection Division)

Editorial La Ley S.A. (La Ley S.A. Publishers)

ICO-BABY

Ministerio de la Presidencia. Centro de Investigaciones Sociológicas (Ministry of the Presidency. Sociological Investigations Center)

Partido Popular (Popular Party)

Revista Cambio 16 (Cambio 16 Magazine)

Telefonica S.A.

Unión Eléctrica de Canarias (Canary Islands Power Union)

Vox Pública

Studies for several political parties