| Silicon Integration Initiative, Inc. | Texas |
| Silicon Integration, Inc. | Connecticut |
| Silicon Laboratories | Texas |
| Silicon Mechanics | Washington |
| Silicon Microstructures, Inc. | California |
| Silicon Mountain Memory | Colorado |
| Silicon Peak, Inc. | North Carolina |
| Silicon Plains | North Dakota |
| Silicon Power Corporation | Pennsylvania |
| Silicon Prairie News | Nebraska |
| Silicon Publishing, Inc. | California |
| Silicon Ranch | |
| Silicon Road Ventures | Georgia |
| Silicon Storage Technology | California |
| Silicon Valley CISO Investments | California |
| Silicon Valley Forum | California |
| Silicon Valley Innovation Center | California |
| Silicon Valley Latino | California |
| Silicon Valley Microelectronics, Inc. | California |
| Silicon Valley Polytechnic Institute, Inc. | California |
| Silicon Valley Product Group | California |
| Silicon Valley Public Access Link | California |
| Silicon Valley Robotics | California |
| Silicon Valley Space Week | California |
| Silicon Valley Technology Innovation & Entrepreneurship Forum & Fair | California |
| Silicon Valley Web Hosting | California |
| Silicon Vikings | California |
| SiliconANGLE Media, Inc. | California |
| Silicone Technology Corporation | Virginia |
| SiliconFort, LLC | |
| SiliconPrime | |
| SiliconSoft, Inc. | California |
| SiliconValley CodeCamp | California |
| SiliconValley.com | California |
| Siliconx Softwares | |
| Silicus Technologies, LLC | Texas |
| SiliCycle, Inc. | |
| Silimate, Inc. | |
| Silitronics, LLC | California |
| Silk | Massachusetts |
| Silk Commerce | |
| Silk Commerce | |
| SILK Media Solutions, LLC | |
| Silk Road Medical, Inc. | California |
| Silk Route Technologies | |
| Silk Scientific, Inc. | Utah |
| Silk Security | California |
| Silk Shorts, Inc. | California |
| Silk Technologies Ltd | |
| SilkRoad Technology | Illinois |