| DAAN Biotherapeutics, Inc. | |
| Daash, Inc. | |
| Daat Research Corporation | New Hampshire |
| Dabble, Inc. | |
| Dabbs Computer Consultants, LLC | Tennessee |
| DaBrian Marketing Group, LLC | Pennsylvania |
| DAC Systems, Inc. | Connecticut |
| DaCast | California |
| DaCodes | Texas |
| Dacon Systems, Inc. | California |
| Dacor Internet Services | Ohio |
| Dactyl Technologies, LLC | Connecticut |
| Dada Advanced Design Associates | California |
| Daedal Creations, Inc. | Massachusetts |
| Daedalus Innovations, LLC | Virginia |
| Daedalus Software, Inc. | Massachusetts |
| Daedalus Technologies, LLC | New Jersey |
| Daemen College | New York |
| DAFNA Capital Management, LLC | |
| Dafter, Inc. | |
| DAG Consulting, Inc. | Massachusetts |
| DAG Online, Inc. | California |
| DAG Tech | |
| DAG Ventures | California |
| DaGama Web Studio | Colorado |
| Dage Corporation | Connecticut |
| Dagmar Marketing | |
| Dagmar Trippen Consulting, LLC | |
| Dagostino Electronic Services, Inc. | Pennsylvania |
| Dagrosa Capital Partners, LLC | Florida |
| DagsHub | |
| Dagster Labs | |
| DAHLIA+Agency | |
| Dahum, Inc. | |
| Daicel Arbor Biosciences | Michigan |
| Daicel Chiral Technologies | |
| Daigle Creative | |
| Daiichi Sankyo, Inc. | New Jersey |
| Dailey Computer Consulting, Inc. | Washington |
| Daily | California |
| Daily Data, Inc. | Texas |
| Daily Deal Builder, LLC | Colorado |
| Daily Electronics Corporation | Washington |
| Daily Game Plan, Inc. | Colorado |
| DailyBot, Inc. | New York |
| DailyPay, Inc. | New York |
| DailyRazor.com | Maryland |
| Dair Systems, LLC | California |
| Dais Technologies | Florida |
| Daisho Creative Strategies | |