| Abbreviation | Definition |
|---|---|
| ADVANSES | Advanced Scientific and Engineering Services |
| ADVC | All Day Vape Company |
| ADVOC | Abu Dhabi Vegetable Oil Company |
| ADW | Alaska Drilling and Wells |
| ADW | Atkinson Dyer Watson |
| ADWH | American Discount Web Hosting |
| ADZ | Aardvark, Dean, and Zed |
| AE | Aabhushan Exports |
| AE | Action Express |
| AE | Allied Eastern |
| AE | Asian Express |
| AE | Associated Electrics |
| AEAOA | Afro Euro Asia Ocean America |
| AEBS | Allround Entrepreneur Business Solutions |
| AEBS | Allround Entrepreneur & Business Solutions |
| AEC | Alliance Entertainment Corporation |
| AEC | Alliant Energy Center |
| AEC | Applied Electronics Corp |
| AEC | Architects Engineers Contractors |
| AEC | Asheboro Elastics Corp |