| ABC | Alternative Birth Center |
|---|---|
| ABS | Alternative Bank Schweiz, švajčiarska banka so sídlom v Oltene |
| ABS | Alternative Billing Service |
| ACT | Alternative Control Technology |
| ADA | Alternative Distribution Alliance |
| ADR | Alternative Dispute Resolution |
| AEN | Alternative Energy News |
| AEP | Alternative Education Program |
| AES | Alternative Energy Systems |
| RAM | Rock Alternative Metal (skr.) |