Mexico
Government Agencies
Mexicos Presidency: http://www.presidencia.gob.mx
Senate: http://www.senado.gob.mx 
Ministry of Finance and Public Credit: http://www.shcp.gob.mx
National Institute of Statistics, geography and informatics: http://www.inegi.gob.mx
Bank of Mexico: http://www.banxico.org.mx
Institute for the Protection of Bank Savings: http://www.ipab.org.mx
Tax Administration Service: http://www.sat.gob.mx
National Banking and Securities Commission: http://www.cnbv.gob.mx
National Retirement Fund System Commission: http://www.consar.gob.mx

Energy
Energy Ministry (SENER): http://www.sener.gob.mx
Federal Electricity Commission (CFE): http://www.cfe.gob.mx
Energy Regulatory Commission (CRE): http://www.cre.gob.mx
National Commission to Save Energy: http://www.conae.gob.mx
PEMEX: http://www.pemex.com
Energy Industry Overview: http://fossil.energy.gov/international/mexico.html

Mexican Foreign Agencies
Bancomext: http://www.bancomext.com
Nafin: http://www.nafin.com

Guatemala
Energy Industry Overview: http://www.iea.org/stats/files/selstats/keyindic/nmc/guatem.htm
National Energy Commission (CNEE): http://www.cnee.gob.gt/
National Electrification Institute: http://www.inde.gob.gt/flash.html

Honduras
Energy Industry Overview: http://www.iea.org/stats/files/selstats/keyindic/nmc/hondur.htm
National Electric Energy Company: http://www.enee.hn/

Nicaragua
Energy Industry Overview: http://www.iea.org/stats/files/selstats/keyindic/nmc/nicarag.htm
National Energy Commission: http://www.cne.gob.ni/
Nicaraguan Energy Institute: http://www.ine.gob.ni/

El Salvador
Energy Industry Overview: http://www.iea.org/stats/files/selstats/keyindic/nmc/elsal.htm
Ministry of Economy:
http://www.minec.gob.sv/default.asp?id=66&mnu=66
National Office for Electricity and Telecommunications (SIGET): http://www.siget.gob.sv/
Administrator of the Wholesale Energy Market: http://www.ute.com.sv/
ElectroGuia: http://www.electroguia.com.sv/eguide/

Costa Rica
Energy Industry Overview: http://www.iea.org/stats/files/selstats/keyindic/nmc/costa.htm
Ministry of the Environment and Energy:
http://www.minae.go.cr/
Costa Rican Electricity Institute: http://www.ice.go.cr/

Panama
Energy Industry Overview: http://www.iea.org/stats/files/selstats/keyindic/nmc/panama.htm
Public Services Agency: http://www.enteregulador.gob.pa/default.asp
Electric Transmission Company (ETESA): http://www.etesa.com.pa/index2.html

Colombia
Energy Industry Overview: http://fossil.energy.gov/international/colombia.html
http://www.iea.org/stats/files/selstats/keyindic/nmc/colombia.htm
Energy Ministry: http://www.minminas.gov.co/minminas/pagesweb.nsf?opendatabase
National Energy and Natural Gas Commission: http://www.creg.gov.co/index.html

Venezuela
Energy Industry Overview: http://fossil.energy.gov/international/venezuela.html
http://www.iea.org/stats/files/selstats/keyindic/nmc/venez.htm
Ministry of Mines and Energy: http://www.mem.gov.ve/
Electric Company (CADAFE): http://www.cadafe.gov.ve/ns/

Peru
Energy Industry Overview: http://fossil.energy.gov/international/peru.html
http://www.iea.org/stats/files/selstats/keyindic/nmc/peru.htm
Department of Energy: http://www.mem.gob.pe/
Energy Tariffs Committee: http://www.cte.org.pe/
National Supervisor of Energy Investments: http://www.osinerg.org.pe/

Ecuador
Energy Industry Overview: http://fossil.energy.gov/international/ecuaover.html
http://www.iea.org/stats/files/selstats/keyindic/nmc/ecuador.htm
National Council of Electricity (CONELEC): http://www.conelec.gov.ec/
National Center for Energy Control (CENACE): http://www.cenace.org.ec/
National Company of Electric Transmission (Transelectric): http://www.transelectric.com.ec/portal/home.asp

Argentina
Energy Industry Overview: http://fossil.energy.gov/international/argentina.html
http://www.iea.org/stats/files/selstats/keyindic/nmc/argent.htm
Department of Energy: http://energia.mecon.gov.ar/
Federal Council of Electric Energy: http://www.cfee.gov.ar/
National Regulator of Electricity (ENRE): http://www.enre.gov.ar/

Chile
Energy Industry Overview: http://fossil.energy.gov/international/chile.html
http://www.iea.org/stats/files/selstats/keyindic/nmc/chile.htm
Department of Energy: http://www.minecon.cl/
National Energy Commission: http://www.cne.cl/

Brazil
Energy Industry Overview: http://fossil.energy.gov/international/brazil.html
http://www.iea.org/stats/files/selstats/keyindic/nmc/brazil.htm
Department of Energy: http://www.mme.gov.br/
Electrobras: http://www.eletrobras.gov.br/
National Operator of Electric Systems: http://www.ons.org.br/ons/

Paraguay
Energy Industry Overview: http://www.iea.org/stats/files/selstats/keyindic/nmc/parag.htm
National Company of Electricity Administration (ANDE): http://www.ande.gov.py/
Paraguayan Government: http://www.paraguaygobierno.gov.py/

Uruguay
Energy Industry Overview: http://www.iea.org/stats/files/selstats/keyindic/nmc/uruguay.htm
Ministry of Industry, Energy and Mines: http://www.miem.gub.uy/
National Energy Regulator (DNE): http://www.dne.gub.uy/

Bolivia
Energy Industry Overview: http://fossil.energy.gov/international/bolivia.html
http://www.iea.org/stats/files/selstats/keyindic/nmc/bolivia.htm
National Electric Company: http://www.superele.gov.bo/index.php

Related Links:
US Department of Energy: http://energy.gov/
International Energy Agency: http://www.iea.org
Iberio-American Association of Companies that Regulate Energy: http://www.ariae.org/
Central America Electrification Council:
http://www.ceac-ca.org.sv/
Fossil Energy: http://fossil.energy.gov
Alliance to Save Energy: http://www.ase.org/
Texas Economic Development: http://www.txed.state.tx.us/
Border Trade Alliance: http://www.thebta.org