| SCIA | Salem County Improvement Authority 
| Others |
| SCIA | Sanibel Captiva Investment Advisers
| Others |
| SCIA | Scandinavian Conference on Image Analysis
| Others |
| SCIA | Sea Carrier Initiative Agreement
| Others |
| SCIA | Senate Committee on Indian Affairs
| Others |
| SCIA | Service Class Instance Attribute
| Others |
| SCIA | Simultaneous Converging Instrument Approaches
| Others |
| SCIA | Small Company Internship Award
| Others |
| SCIA | Socio Cultural Intelligence Analysis
| Others |
| SCIA | Software Change Impact Analysis
| Others |
| SCIA | South Central Industrial Association
| Others |
| SCIA | Southern California Indio Americans
| Others |
| SCIA | Southern California Investment Association
| Others |
| SCIA | Special Circumstances Instructional Aid
| Others |
| SCIA | Spinal Cord Injuries Australia
| Others |
| SCIA | Supreme Council for Islamic Affairs
| Others |