| Blue Point Engineering, LLC | Colorado |
| Blue Recruit, Inc. | |
| Blue Ridge Community and Technical College | West Virginia |
| Blue Ridge Computer Technologies | Virginia |
| Blue Ridge InternetWorks | Virginia |
| Blue Ridge Labs | New York |
| Blue Ridge Networks | Virginia |
| Blue River Analytics, Inc. | Colorado |
| Blue River Interactive Group, Inc. | California |
| Blue Rocket | California |
| Blue Roots Marketing | |
| Blue Sage Software | California |
| Blue Sages, Inc. | Minnesota |
| Blue Salt Interactive Solutions | North Carolina |
| Blue Sand Group | |
| Blue Sea Capital | |
| Blue Shift Web Services | |
| Blue Sky Advertisement, LLC | |
| Blue Sky Designs | Colorado |
| Blue Sky Energy Technology Ltd | California |
| Blue Sky Innovative Solutions | |
| Blue Sky Network | California |
| Blue Sky Technologies, LLC | Wisconsin |
| Blue Slate Accounting | |
| BLUE Software, LLC | Illinois |
| Blue Spring Software | Ohio |
| Blue Spruce Capital | Colorado |
| Blue Squirrel | Utah |
| Blue Star Business Services | |
| Blue Star Service Group, Inc. | California |
| Blue State | District of Columbia |
| Blue Steele Solutions | |
| Blue Stingray | Missouri |
| Blue Strategy + Creative Intl, LLC | Florida |
| Blue Stream Fiber | |
| Blue Tech, Inc. | California |
| Blue Technologies | Ohio |
| Blue Tiger Studio, LLC | |
| Blue Tractor Digital Design Company | |
| Blue Trading Systems | |
| Blue Tree Web Design, LLC | Michigan |
| Blue Triangle | Virginia |
| Blue Underground, LLC | Virginia |
| Blue Water Autonomy | |
| Blue Water Biotech, Inc. | Ohio |
| Blue Water Financial Technologies, LLC | Minnesota |
| Blue Water Vaccines, Inc. | Ohio |
| Blue Wave Solutions | California |
| Blue Wave Web Design, LLC | Florida |
| Blue Whale Apps | Virginia |