| ALCOA | Active Living Coalition for Older Adults 
| Others |
| Alcoa | Aluminum Company of America
| Others |
| ALCOA | Attributable Legible Contemporaneous Original Accurate
| Others |
| ALCOA | Attributable Legible Contemporaneous Original and Accurate
| Others |
| ALCOA | Attributable, Legible, Contemporaneous, Original, Accurate (ALCOA)
| Others |