| Abbreviation | Definition |
|---|---|
| SSM | Special Steels and Metals, LTD. |
| SSM | Stuart Sawyer Marketing |
| SSM | Suruhanjaya Syarikat Malaysia |
| SSMAS | S S Management Advisory Services |
| SSMI | Southwest System Monitoring Inc |
| SSMP | Specialty Screw Machine Products |
| SSMP | Spierings Specialty Molded Products |
| SSNB | South Shore National Bank |
| SSNC | Semiconductor Solutions Network Company |
| SSO | Shared Service Organization |
| SSO | Storage System Operator |
| SSO | Survey Software Online |
| SSP | S. S. Pierce Co. |
| SSP | S. S. Pierce & Co. |
| SSP | Samuel Stillman Pierce |
| SSP | Samuel Stillman Pierce Company |
| SSP | Scott Sladick Productions |
| SSP | Shooting Star Press |
| SSP | Silent Stick Productions |
| SSP | Softmart Selected Partner |