| ReSource Point of Sale | Illinois |
| Resource Solutions Corporation | Wisconsin |
| Resource Technologies, Inc. | North Carolina |
| Resource Web Marketing | Michigan |
| ReSource, Inc. | Colorado |
| Resourcely, Inc. | California |
| Resources Online | |
| Resovere | |
| Respana Therapeutics, Inc. | |
| Respell, Inc. | California |
| RESPeRATE, Inc. | |
| Respira Therapeutics, Inc. | |
| Respiratory Technology Corporation | Texas |
| Respiri | |
| Respirogen, Inc. | Colorado |
| RespirTech | Minnesota |
| Respona | |
| Responder Corp, LLC | Florida |
| Responsab, LLC | |
| Response Analytics | Arizona |
| Response Builders | Missouri |
| Response Pharmaceuticals | |
| Response Technology, Inc. | Washington |
| Responsibly Ventures | |
| Responsival, LLC | |
| Responsive | |
| Responsive Data | Arizona |
| Responsive Network Services, LLC | Illinois |
| responsiveX | Illinois |
| Responsory | |
| Responsum, Inc. | |
| ResQ Pharma, Inc. | |
| ResQ Systems, LLC | Kansas |
| ResQSoft, Inc. | Virginia |
| Resquared | California |
| REST Services & Technology | |
| Restart, Inc. | Pennsylvania |
| Restaurant Ad Experts | |
| Restaurant Growth | |
| Restaurant Manager | Maryland |
| Restaurant Resource Group | Massachusetts |
| Restaurant365 | California |
| RestaurantConnect | Texas |
| restauWant, LLC | |
| Restb.ai | Texas |
| Restech | Louisiana |
| Restem | |
| Restive | California |
| Restolabs | |
| restor3d | North Carolina |