| Ramon Space | California |
| Ramotion, Inc. | |
| Ramp Business Corporation | New York |
| Ramp Systems, Inc. | Pennsylvania |
| Ramp Up Technology, LLC | New York |
| Rampart Biosciences, Inc. | |
| Rampart Capital, LLP | |
| Rampart Technologies | Colorado |
| RampCheck Global | |
| RampRate | |
| RampUp, Inc. | Colorado |
| RamQuest, Inc. | Texas |
| RAMSS, Inc. | Maryland |
| RAN biotechnologies | Massachusetts |
| RaNa Extractive, Inc. | |
| Ranch House Designs, Inc. | Texas |
| Ranch Office | Texas |
| Ranch Wireless | Texas |
| Rancher | |
| Rancher Labs | California |
| Ranchero Software, LLC | Washington |
| Rancho BioSciences | California |
| Rancho Electronics, Inc. | California |
| Rand Group, LLC | Texas |
| Randall Branding Agency | |
| Randall Consulting | Colorado |
| Randall Dean Consulting & Training, LLC | Michigan |
| Randall Family Big Idea Competition | Pennsylvania |
| Randall University | Oklahoma |
| Randolph College | Virginia |
| Randolph Communications | North Carolina |
| Randolph Telecom, Inc. | Massachusetts |
| Randolph-Macon College | Virginia |
| Random Games, Inc. | Colorado |
| Random Logic Games, LLC | Alabama |
| Randomware | California |
| Randstad North America, Inc. | Georgia |
| Randy Speckman Design, Inc. | |
| Ranfac | |
| Ranfac Corporation | Massachusetts |
| Rang | Illinois |
| Range Biotechnologies | California |
| Range Digital | |
| Range Finance, Inc. | |
| Range Marketing | |
| Range Telephone Cooperative | Montana |
| Range Ventures | Colorado |
| Range, Inc. | |
| RangeForce | Virginia |
| Ranger College | Texas |