Lisbon Meeting 10-12 November 2006: Parties participated
- Algerian Party for Democracy & Socialism, PADS
- Communist Party of Argentina
- Communist Party of Australia
- Democratic Progressive Tribune, Bahrain
- Workers Party of Belgium
- Communist Party of Bolivia
- WCP of Bosnia & Herzegonvia
- Communist Party of Brazil
- Brazilian Communist Party
- Communist Party of Britain
- New Communist Party of Britain
- Communist Party of Canada
- Communist Party of Chile
- Communist Party of China*
- Colombian Communist Party
- Communist Party of Cuba
- AKEL-Cyprus
- Communist Party of Bohemia & Moravia
- Communist Party in Denmark
- Communist Party of Denmark
- Communist Party of Finland
- French Communist Party*
- Communist Party of Macedonia
- Unified Communist Party of Georgia
- German Communist Party (DKP)
- Communist Party of Greece
- Hungarian Worker' Party
- Communist Party of India (Marxist)
- Communist Party of India
- Tudeh Party of Iran
- Iraqi Communist Party
- The Worker's Party of Ireland
- Party of the Communist Refoundation
- Party of the Italian Communists
- Peoples' Revolutionary Party, Laos
- Socialist Party of Latvia
- Lebanese Communist Party
- Communist Party of Luxembourg
- Communist Party of Malta
- Party of the Communists of Mexico
- Popular Socialist Party, Mexico
- New Communist Party of Netherlands
- Communist Party of Norway
- Communist Party of Peru (Patria Roja)
- Peruvian Communist Party
- Portuguese Communist Party
- Communist Party of Russian Federation
- Communist Workers Party of Russia -
Party of the Communists of Russia - New Communist Party of Yugoslavia
- Communist Party of Slovakia
- South African Communist Party
- Communist Party of Spain
- Communist Party of Peoples of Spain
- Party of the Communists of Cataluna
- Sudanese Communist Party
- Syrian Communist Party
- Syrian Communist Party
- Communist Party of Turkey
- The Party of Labour, (EMEP), Turkey
- Communist Party of Ukraine
- Union of Communists of Ukraine
- Communist Party, USA
- Communist Party of Vietnam
* participated as observer
e-mail:cpg@int.kke.gr