| San Diego Network Cabling & Fiber Optic Wiring | California |
| San Diego State University Center for Research in Mathematics and Science Education | California |
| San Diego State University Department of Computer Science | California |
| San Diego State University Department of Electrical and Computer Engineering | California |
| San Diego Supercomputer Center | California |
| San Diego Tech Scene | California |
| San Diego Technical Enterprises | California |
| San Diego University for Integrative Studies | California |
| San Diego Web Design Studio | California |
| San Diego Web Site Design | California |
| San Francisco Circuits | California |
| San Francisco Citizens Initiative for Technology and Innovation | California |
| San Francisco Computer Repair | California |
| San Francisco Internet eXchange | California |
| San Francisco Linux User's Group | California |
| San Francisco State University Department of Computer Science | California |
| San Francisco State University Department of Mathematics | California |
| San Francisco Website Design | |
| San Gabriel Valley Linux User's Group | California |
| San Gabriel Valley ROP | |
| San Grabriel Valley Apple Users Group | California |
| San Jacinto College | Texas |
| San Joaquin Capital | California |
| San Joaquin Delta College Computer Science | California |
| San Joaquin Delta College Electronics Technology | California |
| San Joaquin Valley College | Arizona |
| San Jose City College | California |
| San Jose Network Cabling & Fiber Optic Wiring | California |
| San Jose Networks | California |
| San José State University | California |
| San José State University Computer Engineering Department | California |
| San José State University Department of Computer Science | California |
| San José State University Department of Mathematics and Statistics | California |
| San José State University School of Info Systems and Technology | California |
| San Juan College | New Mexico |
| San Leandro Macintosh User Group | California |
| San Mateo Electronics, Inc. | California |
| San Rocco Therapeutics | |
| San-tron, Inc. | Massachusetts |
| Sana Biotechnology, Inc. | Washington |
| Sana Commerce | New York |
| Sana Health, Inc. | Colorado |
| Sana IT Solutions, LLC | |
| Sanara MedTech, Inc. | Texas |
| Sanaria, Inc. | Maryland |
| SanaVita Medical, LLC | Pennsylvania |
| Sanbor Medical | Pennsylvania |
| Sancassano | Florida |
| Sanctuary Media Group, Inc. | Ohio |
| Sanctuary Software Studio, Inc. | Ohio |