| Sparrow Clinical Research Institute | Academic & Science |
| Sustainable Civilization Research Institute | Academic & Science |
| Southwest College Research Institute | Academic & Science |
| Salford Centre for Research and Innovation | Academic & Science |
| Socio-Cultural Research Institute | Academic & Science |
| Symbiosis Centre for Research and Innovation | Academic & Science |
| Symbiosis Centre for Research Innovation | Academic & Science |
| Symbiosis Center for Research Innovation | Academic & Science |
| Sentara Cardiovascular Research Institute | Academic & Science |
| Siena College Research Institute | Academic & Science |
| Southern California Research Institute | Academic & Science |
| Sicor, Inc. | Business |
| Select Consulting Resources, Inc. | Business |
| South Carolina Reading Initiative | Community |
| Scottish Community Renewables Initiative | Community |
| Sarah Cannon Research Institute | Community |
| Social Cultural Recreational Inclusion | Community |
| Smithsonian Cultural Rescue Initiative | Community |
| Shanked Computer Recycling Inc | Computing |
| Self Controlled Risk Interval | General |
| Secure Compliance Remediation Initiative | General |
| Scottish Crop Research Institute | General |
| Sugar Crops Research Institute | General |
| Specialty Crop Research Initiative | General |
| Southwest Center for Rural Initiatives | General |
| Southern California Resilience Initiative | General |
| Supply Chain Resilience Initiative | General |
| Singapore Clinical Research Institute | Governmental |
| Seattle Children's Research Institute | Governmental |
| Surrey Cancer Research Institute | Medical |
| Salzburg Cancer Research Institute | Medical |
| Sport Canada Research Initiative | Regional |
| Smart Cities Research Institute | Regional |