| Acronym | Definition |
|---|
| SSIS | SQL Server Integration Services (Microsoft) |
| SSIS | Sql Server Integration Services |
| SSIS | School of Social Sciences and International Studies (Australia) |
| SSIS | Structural Statistics for Industry and Services (Organization for Economic Cooperation and Development) |
| SSIS | Social Services Information System (UK) |
| SSIS | Surveying and Spatial Information System (Australia) |
| SSIS | Space Station Information System |
| SSIS | Sultan Sharafuddin Idris Shah |
| SSIS | Security Screening Information System (various companies) |
| SSIS | Scanning Surface Inspection System |
| SSIS | State Security Investigations Sector (Egyptian Ministry of the Interior) |
| SSIS | Sales Support and Infrastructure Services |
| SSIS | Specialized Security and Investigation Services (Montreal, Quebec, Canada) |