Aboriginal Lands Trust (Department of Indigenous Affairs)
Alliance for Lobbying Transparency (UK)
Administrative Lead Time
Airsoft Lunel Team (French Airsoft group)
Anarchists, Lunatics and Terrorists (apocryphal origin of newsgroup hierarchy)
Anti Leech Tracker
Achievement Level Test
Approximate Lower Triangular (coding scheme)
Association for Local Telecommunications
Army Liaison Team
Amarillo Little Theatre (Amarillo, TX)
Associazione per la Lotta Alla Trombosi e Alle Malattie Cardiovascolari (Italian: Association to Combat Thrombosis and Cardiovascular Disease; est. 1986)