• Harjumaa Support Group
• Ida-Virumaa Parliamentary Group
• Jõgeva-Tartumaa Parliamentary Group
• Järvamaa and Viljandimaa Support Group
• South-Eastern Estonia Parliamentary Group
• Mulgimaa Support Group
• Narva Support Group
• Peipsiveere (Coast of Lake Peipus) Support Group
• Pärnumaa Association
• Association of Islands
• Setomaa Support Group
• City of Tallinn Support Group
• Vana Võrumaa Association
• Valgamaa Support Group

International relations of the Riigikogu are promoted by:

• Taiwan Support Group
• Tibet Support Group
• Human rights and political freedoms in Iran support group
• Baltic-German Support Group
• Association for the Protection of Human Rights in the North Caucasus
• Finno-Ugric Support Group
• Support Group for Democracy and Citizens’ Rights and Freedoms in Byelorussia
• Cossacks support group

The unity and equality of the Estonian society are promoted by:

• National Minorities Association
• Support group to teach Estonian as a foreign language
• Parliamentary Group against Trafficking in Human Beings and Violence
• Human rights Group
• Women’s Union
• Civil Society Support Group
• Local Life Support Group
• Youth Support Group
• Children and families support group
• Local governments and regional policy support group

Interests related to a specific issue or organisation are promoted by:

• Estonian Football Support Group
• Mining enterprises support group
• Estonian Tourism and Local Food Support Group
• Hunters Association
• National Defence League Support Group
• Apartment Associations Support Group
• Space Research Support Group
• Natural Sanctuaries Support Group
• Marine Issues Support Group
• Moto Friends Support Group
• National Heritage Association
• Sports and Fitness Support Group
• Sustainable Energy Support Group
• Transit and Logistics support group
• Nuclear Power Plant Support Group

Interests related to religion are promoted by:

• Orthodox Association