| Abbreviation | Definition |
|---|---|
| ATICS | Advanced Technology Induction Cooking System |
| ATIK | Agroforestry Technology Information Kit |
| ATIO | Aviation Technology Integration and Operations |
| ATIP | Assistive Technology Infusion Project |
| ATIPS | Advanced Technology Information Processing Systems |
| ATIS | Advanced Technology And Information Systems |
| ATIT | American Television Institute of Technology |
| ATK | Assistive Technology for Kansans |
| ATL | Accelerated Technology Laboratories |
| ATL | Advanced Technology Laboratories |
| ATL | Amperex Technology Limited |
| ATLAS | Academy of Technology and Liberal Arts Sciences |
| ATLAS | Active Technology Load Alleviation System |
| ATLAS | Alliance for Technology Learning and Society |
| ATLC | Advanced Technology Learning Center |
| ATLE | Alberta Technology Leaders in Education |
| ATLG | Automotive Technology Leadership Group |
| ATMA | Agricultural Technology Management Agency |
| ATMC | Asia Technology Management Center |
| ATMHS | Automation Technology And Material Handling Solutions |