| Acronym | Definition |
|---|
| A&I➣Analytics and Insights |
| A&I➣Allergy and Immunology |
| A&I➣Abstracting and Indexing |
| A&I➣Archive and Install (Apple) |
| A&I➣Arts and Industries |
| A&I➣Audit and Inspection |
| A&I➣Assembly and Installation |
| A&I➣Acquisition and Installation |
| A&I➣Analysis and Integration |
| A&I➣Agriculture and Industrial |
| A&I➣Alternative and Innovative (wastewater treatment) |
| A&I➣Application and Installation |
| A&I➣Accident and Indemnity (insurance) |
| A&I➣Alteration and Improvement |
| A&I➣Analysis and Inspection |
| A&I➣Aged and Infirmed |
| A&I➣Armed and Insane (TFC clan) |