| Barnhart Communications | |
| Barnstormer Design Group | Maine |
| Baroda Ventures, LLC | California |
| Barolin & Spencer, Inc. | |
| Baron Services, Inc. | Alabama |
| Baron Software | New York |
| BaroPace, Inc. | Washington |
| Barr Group | Maryland |
| Barr Systems | Florida |
| Barr Systems, LLC | Florida |
| Barracuda Designs | |
| Barracuda Networks, Inc. | California |
| Barragan Media | |
| Barret Computers, Inc. | California |
| Barret Hofherr | |
| Barrett Media | |
| Barricade Software, Inc. | Illinois |
| Barricaid | Massachusetts |
| Barrier Bio | |
| Barrios | |
| Barrister Global Services Network, Inc. | Louisiana |
| Barrow Neurological Institute | |
| Barry Coutny Telephone Company | Michigan |
| Barry Hurd | Washington |
| Barry Industries, Inc. | Massachusetts |
| Barry University Department of Mathematics and Computer Science | Florida |
| Barry University Mathematical Sciences | Florida |
| Barsky UX | |
| bART Solutions | |
| Bartender App, LLC | |
| Barti | California |
| Barton College | North Carolina |
| Barton Consulting, LLC | Idaho |
| Barton Marketing Group | |
| Baruch College | New York |
| Baruch College Computer Science Major | New York |
| Baruch College Department of Mathematics | New York |
| Baruch Future Ventures, LLC | |
| Barvadon | Kansas |
| Barvision | |
| Barwenock | Wyoming |
| Bar|Scan, Inc. | California |
| BAS Technologies, LLC | |
| Basalt Technologies Corporation | |
| Basch Solutions, LLC | New York |
| Bascom Communications, Inc. | Ohio |
| Base 16 Corporation | Texas |
| Base One International Corporation | New York |
| Base Operations, Inc. | District of Columbia |
| Base Pair Biotechnologies | Texas |