• Ait, a small island found in the middle of a river or lake

Schools

In India

• Adichunchanagiri Institute of Technology, a college in Karnataka, India
• Adithya Institute of Technology, a college in Coimbatore, India
• Ansal Institute of Technology, a college in Gurgaon, India
• Army Institute of Technology, Pune, a college in Pune, India

In the United States

• Academy for Information Technology, a high school in Scotch Plains, New Jersey
• Academy of Information Technology and Engineering, a high school in Stamford, Connecticut

Elsewhere

• Asian Institute of Technology, a graduate school in Bangkok, Thailand
• Athlone Institute of Technology, a college in Athlone, Ireland
• Auckland University of Technology, formerly Auckland Institute of Technology, a university in Auckland, New Zealand

Companies

• Africa Independent Television, Nigerian satellite television station
• Applied Industrial Technologies, US distributor of bearings, adhesives and sealants
• Ameritech, formerly named American Information Technologies, US telecommunications company

Organizations

• Agency for Instructional Technology, US non-profit distributor of educational television programs
• Alliance Internationale de Tourisme, an international federation of motoring organisations
• Arts Initiative Tokyo, a non-profit collective of curators and art administrators
• Asociación Internacional de los Trabajadores, Spanish name of the International Workers Association, an international federation of labour unions, based in Serbia
• Asylum and Immigration Tribunal, a UK tribunal with jurisdiction over immigration and asylum issues
• American Institute in Taiwan, the de facto embassy of the US in Taiwan

Other uses

• Advanced Individual Training, a level of US Army basic training
• Advanced Intelligent Tape, a high-speed, high-capacity magnetic tape data storage format by Sony
• Algorithmic information theory, a subfield of information theory and computer science
• Canadian Agreement on Internal Trade, a trade agreement between Canadian governments
• An Inconvenient Truth, American documentary film on global warming