Alliance of Liberals and Democrats for Europe (ALDE)
- Provides press releases, speeches, committees and delegations lists, contact information and related links.
- http://www.alde.eu

Young Greens
- Federation of Young European Greens
- http://www.fyeg.org/

Party of European Socialists (PES)
- Unites the Socialist, Social Democratic and Labour Parties in common approaches to policy-making.
- http://www.pes.org/

The GUE/NGL Group
- Website of the Confederal Group of the European United Left / Nordic Green Left, political Group of the European Parliament.
- http://www.europarl.europa.eu/gue/

European People's Party (EPPE)
- Union of Christian Democrats, Conservatives and like-minded parties.
- http://www.epp-eu.org/

European Liberal Democrats (ELDR)
- Union of European liberal parties.
- http://www.eldr.org/

The Greens in the European Parliament
- parliamentary group website
- http://www.greens-efa.org/

People's Movement against the EU
- Information on policies of the People's Movement, Danish EU opponents.
- http://www.folkebevaegelsen.dk/soeg.php?tekst=English&artikelnr=183

Party of European Socialists
- Parliamentary group site including news and information on Members.
- http://www.socialistgroup.org

European Liberal Youth (LYMEC)
- Organization of European Liberal Youth.
- http://www.lymec.org/

European Federation of Green Parties (EFGP)
- Association of ecologically-minded leftist parties.
- http://www.europeangreens.org/

Young Socialists
- European Community Organisation of Socialist Youth (ECOSY)
- http://www.ecosy.org/