| Abbreviation | Definition |
|---|---|
| ATH | Apple Technology Helper |
| ATHENS | Advanced Technology Higher Education Network Socrates |
| ATHM | Assistive Technology and Home Modifications |
| ATHS | Arts and Technology High School |
| ATI | Advanced Technology Institute |
| ATI | Advanced Technology International |
| ATI | Analytical Technology Inc |
| ATI | Aquarium technology innovations |
| ATI | Array Technology Inc |
| ATI | Array Technology Industry |
| ATI | Assessment Technology Incorporated |
| ATI | Atrocious Technology Implementation |
| ATI | Austin Technology Incubator |
| ATIA | Assistive Technology Industry |
| ATIC | Advanced Technology Innovation Center |
| ATIC | Advanced Technology Investment Company |
| ATIC | Assistive Technologies Innovation Centre |
| ATIC | Assistive Technology Information Center |
| ATIC | Assistive Technology Innovation Center |
| ATIC | Atomization Technology Innovation Consortium |