| Abbreviation | Definition |
|---|---|
| AWSC | Atlantic Whitewater Sportfishing Charters |
| AWSC | Authorized Warranty Service Center |
| AWSI | Advanced Workplace Strategies Inc |
| AWSI | Aria Wireless Systems Inc |
| AWWC | American Waltham Watch Company |
| AWWC | American Water Works Company |
| AXT | American Xtal Technology |
| AYJ | Articulate Your Jag |
| AYP | American Yard Products |
| AYT | A. Yang Thai Manufacturing |
| AYTL | Ayres Truck Line |
| AZ | Abbreviationz |
| AZC | Adventus Zinc Corp |
| AZCC | Arizona Corporation Commission |
| AZCO | A-Z COmputer Liquidators |
| AZEX | AZEXARMS (formerly AZ Expert Arms, in Mesa, Arizona) |
| B&B | Bed and Breakfast |
| B&B[Press] | Bird and Bull Press |
| B&D | Black and Decker |
| B&H | Baruch Hashem |