| Acronym | Definition |
|---|
| D&A➣Drug and Alcohol |
| D&A➣Depreciation and Amortization |
| D&A➣Design & Analysis |
| D&A➣Detection & Alarm (safety; various companies) |
| D&A➣Data and Analysis |
| D&A➣Delivery and Acceptance |
| D&A➣Dry & Abandoned (oil & gas industry) |
| D&A➣Deals and Allowances |