| SSCI | Scientific Systems Company Inc 
| Others |
| SSCI | Senate Select Committee on Intelligence
| Others |
| SSCI | Separation Systems Consultants Inc
| Others |
| SSCI | Signals And Systems Concept Inventory
| Others |
| SSCI | Social Science Citation Index
| Others |
| SSCI | Social Sciences Citation Index
| Others |
| SSCI | Solid State Chemical Information
| Others |
| SSCI | Solid State Controls, Inc.
| Others |
| SSCI | Southeastern Student Conduct Institute
| Others |
| SSCI | Southern Society for Clinical Investigation
| Others |
| SSCI | Steel Service Center Institute
| Others |
| SSCI | Steel Shipping And Containers Institute
| Others |
| SSCI | supplement Safety Compliance Initiative
| Others |
| SSCI | Sustainable Supply Chain Initiative
| Others |
| SSCI | Suzuki Splash Club Indonesia
| Others |
| SSCI | Symposium Series on Computational Intelligence
| Others |