| Term | Full Form | Category |
|---|---|---|
| MSCO | Massachusetts Society of Clinical Oncologists | Others |
| MSCO | Maxwell Shmerler & Company, Accountants | Others |
| MSCO | Michael Silver & Company | Others |
| MSCO | Military Sealift Command Office | Others |
| MSCO | MineSweeper, Coastal, Old | Others |
| MSCO | Minnesota Society of Clinical Oncology | Others |
| MSCO | Modeling and Simulation Coordination Office | Others |
| MSCO | Musica Sacra Chamber Orchestra | Others |