| AT&T | American Telephone & Telegraph Company 
| Others |
| AT&T | American Telephone and Telegraph
| Others |
| AT&T | American Telephone and Telegraph Company
| Others |
| AT&T | American Thugs and Theives
| Others |
| ATT | Aakash Television Tutoring
| Others |
| ATT | Ability To Trade
| Others |
| ATT | About Time Too
| Others |
| ATT | Active Torque Transfer
| Others |
| ATT | Actual The Troublemaker
| Others |
| ATT | Actual Turn Time
| Others |
| ATT | Advanced Tactical Transport
| Others |
| ATT | Advanced Technical Training
| Others |
| ATT | Advanced Theatre Transport
| Others |
| ATT | Advanced Thermal Treatment
| Others |
| ATT | Advanced Transport Technology
| Others |
| ATT | Advanced Transport Telematics
| Others |
| ATT | Advanced Transportation Technology
| Others |
| ATT | Adventures Of TinTin ATT
| Others |
| ATT | Aflockett Tortures Technicians
| Others |
| ATT | Alabama Technology Today
| Others |
| ATT | All Terrain Tactical
| Military, Army, Defence, Weapon, Transport, Road Transport |
| ATT | All Terrain Transmission
| Others |
| ATT | All The Attributes
| Others |
| ATT | All The Time
| Others |
| ATT | Alt Toys Transformers
| Others |
| ATT | Alter Time Technology
| Others |
| ATT | Alteryx Tableau Tools
| Others |
| ATT | Always Throwing Troll
| Others |
| ATT | Always Tick'n Troll
| Others |
| ATT | Always Tickn Troll
| Others |
| ATT | Always Try Tother
| Others |
| ATT | American Telephone and Telegraph, Inc. (AT&T)
| Others |
| ATT | American Telephone Telegraph
| Others |
| ATT | American Truck Training
| Others |
| ATT | Anastomosis of The Trachea
| Others |
| ATT | Anderson Truck Trail
| Others |
| ATT | Anime Twist Twitter
| Others |
| ATT | Another Terrible Telephone
| Others |
| ATT | Anti Tank Trooper
| Others |
| ATT | Anti Tuberculosis Treatment
| Others |
| ATT | Anti-Torpedo Torpedo
| Others |
| ATT | Applecare Technician Training
| Others |
| ATT | Arms Trade Treaty
| Military, Policy |
| ATT | ASCII Transformation Table
| Others |
| ATT | Ask the Toons
| Others |
| ATT | Aspirated Tweeter Technology
| Others |
| ATT | Assign Terminal Type
| Others |
| ATT | Association of Tax Technicians
| Others |
| ATT | Association of Taxation Technicians
| Others |
| ATT | Association of Top Talents
| Others |
| ATT | At The Threshold
| Others |
| ATT | At This Time
| Others |
| ATT | AT&T Group 4 file - Bitmap graphics
| Others |
| ATT | Atmautluak, Alaska USA
| Others |
| Att | Attached Garage
| Others |
| ATT | Attachment
| Others |
| ATT | Attempted
| Others |
| ATT | Attenuated
| Others |
| Att | Attenuation
| Others |
| ATT | Attenuator Then Take
| Others |
| ATT | Attenuator To The
| Others |
| att | Attestazione
| Others |
| ATT | Attitude
| Others |
| ATT | Audi Tt
| Others |
| ATT | Australian Tourist Trophy
| Others |
| ATT | Authority To Test
| Others |
| ATT | Authority To Test For The
| Others |
| ATT | Authorization To Test
| Others |
| ATT | Authorization To Test The
| Others |
| ATT | AUTHORIZATION to Test The ....
| Others |
| ATT | Auto Technik Tuning
| Others |
| ATT | Automated Test Tools
| Others |
| ATT | Automatic Target Tracker
| Military, Defence, Weapon, Technology, Satellite Technology |
| ATT | Automotive and Transportation Technology
| Others |
| ATT | Automotive Technician Training
| Others |
| ATT | Automotive Testing Technologies
| Others |
| ATT | Average Talk Time
| Others |
| ATT | Average Travel Time
| Others |
| ATT | Average Turnaround Time
| Others |
| ATT | The Average Turnaround Time
| Others |