| SSIP | Safety Schemes in Procurement 
| Others |
| SSIP | Salton Seismic Imaging Project
| Others |
| SSIP | Savings and Stock Investment Plan
| Others |
| SSIP | Scientific Study of International Processes
| Others |
| SSIP | Sewer System Improvement Program
| Others |
| SSIP | Shuttle Student Involvement Program
| Others |
| SSIP | Sniper System Improvement Programme
| Others |
| SSIP | Southwest Suburban Immigrant Project
| Others |
| SSIP | State Systemic Improvement Plan
| Others |
| SSIP | Strategic School Improvement Programme
| Others |
| SSIP | Strategic Service Implementation Plan
| Others |
| SSIP | Student Success Imagine the Possibilities
| Others |
| SSIP | Summer Scholar Incentive Program
| Others |
| SSIP | Summer School Instructional Program
| Others |
| SSIP | Summer School on Image Processing
| Others |
| SSIP | Supplemental Security Income Pending
| Others |
| SSIP | Support Services Implementation
| Others |
| SSIP | Systems Software Interface Processing
| Others |