| Abbreviation | Definition |
|---|---|
| SSI | Structural Systems, Inc. |
| SSI | Supplementary Security Income |
| SSI | Surveying Solutions Inc |
| SSI | Sustainment Solutions Inc |
| SSI | System Solution Inc |
| SSI | Systems Solution Inc |
| SSIC | Secure Systems Innovation Corporation |
| SSIC | Shenzhen Securities Information Company |
| SSIC | Social Sciences Innovations Corporation |
| SSIDC | Small Scale Industries development Corporation |
| SSII | Scenario Systems International Inc |
| SSJ | Samar Singh Jayaswal Group |
| SSJ | Social Science Japan |
| SSJ | Steven Singer Jewelers |
| SSJ | Suyog Sakhahari Jadhav |
| SSK | Shepardson Stern Kaminsky |
| SSKR | Sheraton Sand Key Resort |
| SSL | Sports Specialists Ltd |
| SSLTSPL | SSL Technologies And Services Private Limited |
| SSM | Scottish Ship Management |