| Abbreviation | Definition |
|---|---|
| DARILBONNERPR | Public Relations Marketing Firm based in San Diego, California. |
| DARILBONNERPR | Public Relations & Marketing Firm based in San Diego, California. |
| DARK | Dance and Rhythm Konnexxions |
| DARS | Domestic Appliance Repair Services |
| DART | Dial A Ride Transportation |
| DARVA | Développement d'Applications sur Réseaux à Valeur Ajouté |
| DAS | Dutch Aquarium Systems |
| DASI | Doss Aeronautical Services, Incorporated |
| DASP | Dell Authorized Service Partner |
| DAVID | De Algemene Vrije Illegale Drukkerij |
| DAVP | Directorate of Audio Visual Publicity |
| DB | Design Build |
| DB | Design & Build |
| DB | Design Berlin |
| DBA | David Burn Advertising |
| DBA | Doing Business As |
| DBA | Dunroven, Balaam, and Amorehre |
| DBBC | Devils Backbone Brewing Company |
| DBC | Data Broadcasting Corporation |
| DBC | Denver Beer Company |