| Company Name | Software Titles |
|---|---|
| RDPSoftware | 4 |
| ROI | 4 |
| RTP | 4 |
| Rick Meyers | 4 |
| Robobat | 4 |
| Ron Turley Associates | 4 |
| RSA, The Security Division of EMC | 4 |
| Roxo | 4 |
| RapidSolution Software AG | 4 |
| Ross-Tech | 5 |
| Riverdeep | 5 |
| Ralink | 5 |
| RIA | 5 |
| Rainbow Technologies | 5 |
| Rimage | 5 |
| Relius | 5 |
| River Past | 5 |
| Respondus | 6 |
| R-Tools Technology | 6 |
| Raynet | 7 |
| Razer USA | 7 |
| Rand McNally | 7 |
| Runtime Software | 7 |
| Rosetta Stone | 8 |
| RISA Technologies | 9 |
| Reuters | 9 |
| RealVNC | 9 |
| Renaissance Learning | 10 |
| Rhode Island Soft Systems | 11 |
| Red Kawa | 12 |
| Renaissance Corporate Services | 13 |
| RealNetworks | 13 |
| RSA Security | 14 |
| RM Plc | 14 |
| Red Giant Software | 18 |
| Rational Software | 20 |
| Regulatory Solutions | 25 |
| Red Gate Software | 33 |
| Rockwell Software | 41 |
| Ricoh | 45 |
| Realtek | 51 |
| Research In Motion | 52 |
| Rockwell Automation | 74 |
| Roxio | 115 |
| Red Hat | 2,424 |