Audio Transition Module
aurothiomalate
Austrian Trunk Module
Automated Teller Machines
Automated Ticketing Machine
Automatenmarken
Automatic Teller Machines
Automatic Test Methods
Autovon Trunk Module
Available Ton-Mile
average time of maintenance
Axilrod-Teller-Moto
Aynchronous Transfer Mode
aztreonam
IATA code for Altamira Airport, Altamira, Pará, Brazil
Able Toastmaster
Advance Toastmaster
Amator Teleskopowego Majsterkowania
Antenna Tuner Module
Approved Testing Material
Art Tower Mito
Articulação Têmporo Mandibular
Asamblea de Trabajadores de Michoacán
Ascent Trajectory Model
Associação Tocantinense de Municípios
Associação Transparência Municipal
Asynchronouse Transfer Mode
At-the-Market
Auto Transportes Mante