sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Auto Trol Technology Corporation | **** |
| Australian TESOL Training Centre | **** |
| Addiction Technology Transfer Centers | *** |
| Air Transport Training College | *** |
| Area Technical Trade Center | *** |
| Advanced Teachers Training Course | *** |
| All Terrain Tracked Carrier | ** |
| Applied Technology Training Center | ** |
| Austin Table Tennis Club | ** |
| Aunni Ti Tsuun Consortium | ** |
| Asia Technology Training Center | ** |
| Austrian Traffic Telematic Cluster | ** |
| Alameda Table Tennis Club | ** |
| American Telephone and Telegraph Company | ** |
| American Torch Tip Company | ** |
| Apprenticeship Training Tax Credit | ** |
| Advanced Technical Training Centre | ** |
| Auto Trol Technology Corp | ** |
| American Towing Tank Conference | ** |
| Addictions Technology Transfer Center | ** |
| Advanced Technology Training Center | ** |
| Army Technical Test Center | ** |
| Advanced Transportation Technology Center | ** |
| Alexander Technique Training Center | ** |
| assistive technology training center | ** |
| American Tropical Tuna Commission | * |
| American Type Tissue Collection | * |
| Advance Television Technology Center | * |
| Alaska Technology Transfer Center | * |
| Alnwick Table Tennis Club | * |
| Anything To The Contrary | * |
| Aviation and Technical Test Center (US Army) | * |