Well, here is a list of terrorist organisations according to the U.S. State Department
Current List of
Designated Foreign Terrorist Organizations
From this list, this is
my view of the reasons for their actions.
Abu Nidal Organization - Political and territorial
Abu Sayyaf - Religious and territorial (Muslim)
al-Aqsa Martyrs' Brigades - Territorial
Ansar al-Islam - Religious (Muslim)
Armed Islamic Group - Political and religious (Muslim)
Asbat an-Ansar - Political and religious (Muslim)
Aum Shinrikyo - Religious (Based on Buddhism)
ETA (Euskadi Ta Askatasuna) - Territorial and political
New People's Army - Political
Continuity Irish Republican Army - Political (maybe territorial and religious)
al-Gama'a al-Islamiyya - Political and religious (Muslim)
Hamas - Territorial and religious (Muslim)
Harkat-ul-Mujahideen - Religious (Muslim)
Hezbollah - Political
Islamic Jihad - Territorial and religious (Muslim)
Islamic Movement of Uzbekistan - Political and religious (Muslim)
Jaish-e-Mohammed - Territorial and religious (Muslim)
Jemaah Islamiyah - Religious (Muslim)
Egyptian Islamic Jihad - Political and religious (Muslim)
Kach and Kahane Chai - Political (and religious?) (Jewish)
Kurdistan Workers Party - Political and territorial
Lashkar-e-Toiba - Territorial and religious (Muslim)
Lashkar i Jhangvi - Religious (and political?) (Muslim)
Liberation Tigers of Tamil Eelam - Territorial
Libyan Islamic Fighting Group - Political and religious (Muslim)
Moroccan Islamic Combatant Group - Religious (Muslim)
People's Mujahedin of Iran - Political
National Liberation Army - Political
Palestine Liberation Front - Territorial
Islamic Jihad Movement in Palestine - Territorial and religious (Muslim)
Popular Front for the Liberation of Palestine - Political and territorial
Popular Front for the Liberation of Palestine-General Command - Political and territorial
Al-Qaeda - Religious and territorial
Real Irish Republican Army - Territorial
Revolutionary Armed Forces of Colombia - Political
Revolutionary Nuclei - Political
Revolutionary Organization 17 November - Political
Revolutionary People's Liberation Party-Front - Political
Salafist Group for Preaching and Combat - Political and religious (Muslim)
Shining Path - Political
Tanzim Qa'idat al-Jihad fi Bilad al-Rafidayn - Religious and territorial
United Self-Defense Forces of Colombia - Social and political
And this is a list of terrorist organisations according to the EU.
EU list of terrorist organisations, 29 May 2006
And my view of their reasons.
Abu Nidal Organisation - Political and territorial
Al-Aqsa Martyr's Brigade - Territorial
Al-Aqsa e.V. - Territorial
Al-Takfir and Al-Hijra - Religious (Muslim)
Nuclei Territoriali Antimperialisti - Political
Cooperativa Artigiana Fuoco ed Affini — Occasionalmente Spettacolare - Political
Nuclei Armati per il Comunismo - Political
Aum Shinrikyo - Religious (Based on Buddhism)
Babbar Khalsa - Territoriaç
Cellula Contro Capitale, Carcere i suoi Carcerieri e le sue Celle - Political
Communist Party of the Philippines - Political
Continuity Irish Republican Army - Political (maybe territorial and religious)
Euskadi Ta Askatasuna - Territorial and political
Gama'a al-Islamiyya - Political and religious (Muslim)
Great Islamic Eastern Warriors Front - Religious?
Grupos de Resistencia Antifascista Primero de Octubre - Political
Hamas - Territorial and religious (Muslim)
Hizbul Mujahideen - Territorial (Political?, religious?)
Holy Land Foundation for Relief and Development - Territorial and religious
International Sikh Youth Federation - Territorial
Solidarietà Internazionale - Political
Kahane Chai - Political (and religious?) (Jewish)
Khalistan Zindabad Force - Territorial
Kurdistan Workers' Party - Political and territorial
Liberation Tigers of Tamil Eelam - Territorial
Loyalist Volunteer Force - Territorial (religious?)
Mujahedin-e Khalq Organisation
National Liberation Army
Orange Volunteers - Political (Religious? protestant)
Palestine Liberation Front - Territorial
Palestinian Islamic Jihad - Territorial and religious (Muslim)
Popular Front for the Liberation of Palestine - Political and territorial
Popular Front for the Liberation of Palestine-General Command - Political and territorial
Real IRA - Territorial
Brigate Rosse per la Costruzione del Partito Comunista Combattente - Political
Red Hand Defenders - Political, religious (Protestant)
Revolutionary Armed Forces of Colombia - Political
Revolutionary Nuclei - Political
Revolutionary Organisation 17 November - Political
Revolutionary People's Liberation Army/Front/Party - Political
Shining Path - Political
Stichting Al Aqsa - Territorial and religious (Muslim)
Brigata XX Luglio - Political
Ulster Defence Association - Territorial, political
United Self-Defense Forces - Social and political
Nucleo di Iniziativa Proletaria Rivoluzionaria - Political
Nuclei di Iniziativa Proletaria - Political
Federazione Anarchica Informale - Political
It's interestig to note that in the US some organisations may be considered terrorists by the State Department but not by the Treasure Department and
vice-versa.