| Acronym | Definition |
|---|
| SSGI | Social Services of General Interest |
| SSGI | Strategic Solutions Group, Inc. |
| SSGI | Seton Securities Group, Inc. |
| SSGI | Screen Space Global Illumination (game graphics) |
| SSGI | Shareholder Services Group, Inc. |
| SSGI | Sunday School Growth Institute |
| SSGI | Svenska Soka Gakkai International |
| SSGI | Small Systems Group, Inc. |
| SSGI | Support Services Group, Inc. |
| SSGI | Shenzen Southseas Grain Industries (flour and feed milling business; China) |
| SSGI | South Seas Group, Inc. |
| SSGI | Student Spiritual Gift Inventory (InQuest Ministries) |
| SSGI | Sub Sea Gauge Interface (well controller) |
| SSGI | Standard Systems Group Instruction (US Air Force) |