The following list of web sites essentially replicates the list in the "List of Full and Abbreviated Names of Federal Bodies of Executive Authority" approved by the Administration of the President of the Russian Federation and Administration of the Government of the Russian Federation.  This list was compiled using several sources, so it should be the most complete available.  Some sites work only intermittently, so keep trying if a site is down.

1. Federal Ministries
2. State Committees of the Russian Federation
3. Federal Commissions of Russian
4. Federal Services of Russia
5. Russian Agencies
6. Federal Supervisory Boards of Russia
7. Other Federal Bodies of Executive Authority

Federal Ministries

Ministry of the Russian Federation for Atomic Energy
http://www.x-atom.ru/minatom/minatom.html

Ministry of the Russian Federation for Anti-monopoly Policy and the Support of Entrepreneurship
http://www.maprus.ru/

Ministry of Culture of the Russian Federation
http://www.mincult.isf.ru/

Ministry of Defense of Russia
http://old.rian.ru/mo/

Ministry of Labour and Social Development of the Russian Federation
http://www.mintrud.ru/   (broken link)

Ministry of Transport of the Russian Federation
http://www.mintrans.ru/

Ministry of Energy of the Russian Federation
http://www.mte.gov.ru

Ministry of Justice of the Russian Federation
http://www.scli.ru

Ministry of the Russian Federation for Taxes and Duties
http://www.nalog.ru

Ministry of Foreign Affairs of the Russian Federation:
http://www.mid.ru/

Ministry of Education of the Russian Federation:
http://www.ed.gov.ru/

Ministry for Economic Development and Trade of the Russian Federation
http://www.economy.gov.ru

Ministry of Finance of the Russian Federation
http://www.minfin.ru

Ministry of Health of the Russian Federation
http://www.mednet.ru/

Ministry of the Russian Federation for Communications and Informatization
http://www.ptti.gov.ru/

Ministry of Industry, Science and Technology
http://www.minprom.ru/

Ministry of Internal Affairs of the Russian Federation
http://www.mvd.ru/

Ministry for Natural Resources of the Russian Federation
http://www.fcgs.rssi.ru/rus/mepnr/index.htm (dead link)

Ministry of Agriculture and Foodstuffs of the Russian Federation:
http://www.aris.ru/

Ministry of the Russian Federation for Civil Defence, Emergency Situations and Disasters
http://www.emercom.gov.ru/

Ministry of the Russian Federation for the Press, Television and Radio Broadcasting, and Mass Communications
http://www.tvradio.ru/

Ministry of Property Relations of the Russian Federation
http://www.mgi.ru/

Ministry of the Russian Federation for Physical Fitness, Sport and Tourism
http://www.infosport.ru/minsport/index.htm

Ministry of Railways of the Russian Federation
http://www.css-mps.ru/

Sites not available/found for the following:
Ministry of the Russian Federation for Affairs of the Commonwealth of Independent States
Ministry for Matters of the Federation, National and Migration Policy of the Russian Federation
Ministry of Trade of the Russian Federation
 

State Customs Committee of the Russian Federation
http://www.gtk.ru/

Gostandart (State Committee of the Russian Federation for Standardization and Metrology
http://www.gost.ru/sls/gost.nsf

State Committee of the Russian Federation for Statistics
http://www.gks.ru/

State Committee of the Russian Federation for Youth Policy
http://www.youth.gov.ru/

Sites not available/found for the following:
State Committee of the Russian Federation for Affairs of the North
State Committee of the Russian Federation for Land Policy
State Committee of the Russian Federation for Cinematography
State Committee of the Russian Federation for the Protection of the Environment
State Committee of the Russian Federation for Telecommunications
State Committee of the Russian Federation for Physical Fitness, Sport and Tourism
State Committee of the Russian Federation for Fishing
State Committee of the Russian Federation for Construction and the Public Housing Complex
 

Federal Commission for the Securities Market:
http://www.fedcom.ru/

Sites not available/found for the following:
Federal Energy Commission of the Russian Federation

Federal Service of Russia for Hydrometrology and Monitoring of the Environment
http://www.mecom.ru/

Federal Service of Railway Troops of the Russian Federation
http://www.fsgv.ru/

Federal Security Service of the Russian Federation
http://www.fsb.ru/
http://www.fsb.gov.ru/

Federal Tax Police Service of the Russian Federation
http://www.fsnp.gov.ru/

Foreign Intelligence Service of the Russian Federation
http://svr.gov.ru/
 

Sites not available/found for the following:

Federal Archive Service of Russia
Federal Border Service of the Russian Federation
Federal Service for Geodesy and Cartography of Russia
Federal Service of Russia for Financial Recovery and Bankruptcy
Federal Service for the Preservation of the Russian Federation
Federal Migration Service of Russia
Federal Air Transport Service of Russia
Federal Service of Russia for Currency and Export Control
Federal Timber Service of Russia

Russian Aviation and Space Agency
http://www.rka.ru/  (dead link)

Russian Agency for Patents and Transmarks
http://www.rospatent.ru/

Russian Control Systems Agency
http://www.rasu.gov.ru/

Sites not available/found for the following:
Russian Agency for Munitions
Russian Agency for Conventional Weapons
Russian Agency for Shipbuilding
Russian Agency for State Reserves
Russian Road Agency
Federal Agency for Governmental Communications and Information under the President of the Russian Federation

Sites not available/found for the following:
Federal Mining and Industrial Supervisory Board of Russia
Federal Supervisory Board of Russia for Nuclear and Radiation Safety

Sites not available/found for the following:
Chief Department of Special Programs of the President of the Russian Federation
State Technical Commission under the President of the Russian Federation
Department of Affairs of the President of the Russian Federation