| Name | Country | Market Cap (US$) |
|---|
| Red Bridge Interactive, Inc. | United States | Private |
| Red Eye International (Holdings) PLC | United Kingdom | Private |
| Red Rock Software, Inc. | United States | Private |
| Red Storm Entertainment Inc. | United States | Private |
| Red Wing Software, Inc. | United States | Private |
| RedDot Solutions Corporation | United States | Private |
| RedPelican, Inc. | United States | Private |
| RedPrairie Corporation | United States | Private |
| RedSiren, Inc. | United States | Private |
| Reduxi | United States | Private |
| Reflect Systems, Inc. | United States | Private |
| Refresh Software Corporation | United States | Private |
| Reggie Software | United States | Private |
| Regiocom Gmbh | Germany | Private |
| Relativity Technologies, Inc. | United States | Private |
| Relavis Corporation | United States | Private |
| Reliability Center, Inc. | United States | Private |
| Relicore, Inc. | United States | Private |
| RemoteReality Corporation | United States | Private |
| RepeatSeat, Inc. | Canada | Private |
| Replicon Inc. | Canada | Private |
| Requisite Technology, Inc. | United States | Private |
| ReSearch Pharmaceutical Services, Inc. | United States | Private |
| Research Systems, Inc. | United States | Private |
| ReShape, Inc. | United States | Private |
| Resolution EBS, Inc. | United States | Private |
| Resonate, Inc. | United States | Private |
| Resource Information Management Systems, Inc. | United States | Private |
| Resource Solutions Limited | United Kingdom | Private |
| responDESIGN, Inc. | United States | Private |
| Resume Mirror, Inc. | Canada | Private |
| Retail Store Systems, Inc. | United States | Private |
| Retek Inc. | United States | Private |
| Revenue Technologies Corporation | United States | Private |
| RevX Inc. | United States | Private |
| RFD & Associates, Inc. | United States | Private |
| RGB Computer & Video, Inc | United States | Private |
| Rheinmetall Defence Electronics Gmbh | Germany | Private |
| RichFX, Inc. | United States | Private |
| Right Hand Manager Software, LLC | United States | Private |
| RightOrder, Inc. | United States | Private |
| RightsLine, Inc. | United States | Private |
| Rila Solutions Inc. | United States | Private |
| Rise HealthWare Inc. | Canada | Private |
| Riskclick Limited | United Kingdom | Private |
| River Logic, Inc. | United States | Private |
| Riverdeep Interactive Learning Ltd | Republic of Ireland | Private |
| RiverOne, Inc. | United States | Private |
| Riversand Technologies, Inc. | United States | Private |
| RLX Technologies, Inc. | United States | Private |
| RMS Technologies Inc. | United States | Private |
| Roamware, Inc. | United States | Private |
| Roaring Penguin Software, Inc. | Canada | Private |
| Rocket Software, Inc. | United States | Private |
| Rockstar Games, Inc. | United States | Private |
| Rockwell Software Inc | United States | Private |
| Rogue Wave Software, Inc. | United States | Private |
| Rohde &Schwarz Sit Gmbh | Germany | Private |
| Rolfe & Nolan Systems Ltd | United Kingdom | Private |
| ROME Corporation | United States | Private |
| RONIN Corporation | United States | Private |
| Root Learning Inc. | United States | Private |
| Roth Staffing Companies, L.P. | United States | Private |
| Route4 plc | United Kingdom | Private |
| Rovell Enterprises, Limited | Canada | Private |
| RSoft Design Group, Inc. | United States | Private |
| RTS Wireless, Inc. | United States | Private |
| RubiconSoft, Inc. | United States | Private |
| Run.It Systems, Inc. | United States | Private |
| RW3 Technologies | United States | Private |
| Ryan & Company | United States | Private |
| Ryobi Systems Co., Ltd. | Japan | Private |
| Ryoka System Inc. | Japan | Private |
| S P C International Ltd | United Kingdom | Private |
| S Wind-up Corporation | United States | Private |
| S.A. Bull N.V. | Belgium | Private |
| S2 Systems, Inc. | United States | Private |
| Sabrix, Inc. | United States | Private |
| SAFEOperations, Inc. | United States | Private |
| SafeStone Technologies, plc | United Kingdom | Private |
| Saffron Technology, Inc. | United States | Private |
| Sagantec Israel Limited | United States | Private |
| Sage ACCPAC International, Inc. | United States | Private |
| Sage France | France | Private |
| Sage Logic Control S.A. | Spain | Private |
| SageMetrics Corporation | United States | Private |
| SAI | United States | Private |
| SalePoint, Inc. | United States | Private |
| Sales Performance International, Inc. | United States | Private |
| Salesnet, Inc. | United States | Private |
| SalesTraction, Inc. | United States | Private |
| Salient Technology LLC | United States | Private |
| Sammy Industries Co., Ltd. | Japan | Private |
| Samsung Data Systems Company, Ltd. | South Korea | Private |
| San Diego Media, Inc. | United States | Private |
| SAN Valley Systems, Inc. | United States | Private |
| Sana Security, Inc. | United States | Private |
| Sanbolic Inc. | United States | Private |
| Sand Hill Systems, Inc. | United Kingdom | Private |
| Sandwell Inc. | Canada | Private |
|
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