| Abbreviation | Definition |
|---|---|
| ATAT | Assistive Technology for Air Travel |
| ATB | Alternative Technology Base |
| ATB | Annual Technology Baseline |
| ATBC | Assistive Technology British Columbia |
| ATBN | Africa Technology Business Network |
| ATC | Advanced Technology Complex |
| ATC | Advanced Technology Consulting |
| ATC | Applied Technology Center |
| ATC | Applied Technology Council |
| ATC | Art Technology and Culture |
| ATC | Austin Technology Council |
| ATC | Austrian Technology Corporation |
| ATCC | Advanced Technology Concept Center |
| ATCF | Advanced Technology Combat Folder |
| ATCI | Advanced Technology Centers in India |
| ATCM | Architectural Technology and Construction Management |
| ATCS | Academic Technology and Creative Services |
| ATCS | Academy for Technology and Computer Science |
| ATDC | Advanced Technology Development Center |
| ATDC | Advanced Technology Development Complex |