| REFACTR.TECH | |
| REFASHIOND Ventures | New York |
| Refered | Arizona |
| Referral Rock, Inc. | Virginia |
| ReferralMD | South Carolina |
| ReferralMD | South Carolina |
| Refersion, Inc. | New York |
| Refine | Delaware |
| Refine Intelligence | |
| Refine Labs | Massachusetts |
| RefineRE | |
| Refinery Ventures | Ohio |
| Refinery29 | |
| Reflect App, LLC | |
| Reflect Software, Inc. | |
| Reflect Systems, Inc. | Texas |
| Reflection Games, Inc. | Washington |
| Reflex | California |
| Reflex Robotics | |
| Reflex.help | |
| RefleXion Medical | California |
| Reflexions | New York |
| Reflexivity | |
| Reflow Medical, Inc. | California |
| Refokus | |
| Reforged Labs, Inc. | |
| Reformed Digital Solutions, LLC | |
| Reframe Technologies, Inc. | |
| Refresh Miami | Florida |
| RefreshWeb | Texas |
| Refuel.ai, Inc. | California |
| Refundo | New Jersey |
| RefurbExperts.com | New Jersey |
| Regah Ventures | |
| Regal | New York |
| Regal Electronics, Inc. | California |
| Regal Technology | California |
| Regal.io | New York |
| Regalix, Inc. | California |
| Regatta Bio | |
| Regatta Fitness, Inc. | Massachusetts |
| Regbits | |
| RegCell, Inc. | |
| RegDesk, Inc. | Texas |
| Regel Therapeutics | |
| ReGelTec, Inc. | Maryland |
| Regen BioPharma, Inc. | |
| Regen Network Development, PBC | Delaware |
| Regenative Labs | Florida |
| Regencor, Inc. | California |