Gas

Gas service for Buenos Aires is provided by Metrogas. 

• Metrogas (Company Website -- in Spanish)

Electricity

Electric service for Buenos Aires is provided by a number of companies, depending on precise location.

Links for two companies with contact information is included below.

• Hidronor Ingeniería y Servicios, SA
• Nucleoelectrica Argentina S.A. 

Useful Addresses

• Ente Nacional Regulador de la Electricidad (ENRE) (National Regulator for Electricity -- in Spanish)
• Nucleoelectrica Argentina S.A. (Official Site -- in Spanish)
• Hidronor Ingeniería y Servicios, SA (HISSA) (Official Site)
• Edenor
• Edesur (in Spanish)
• Edelap (in Spanish)
• Electricity Sector in Argentina

Water

Water service for Buenos Aires is provided by AySA Sociedad (in Spanish)

• Ente Regulador del Aqua (ETOSS) (National Regulator for Water -- in Spanish)