| Acronym | Definition |
|---|
| SEMC | Sony Ericsson Mobile Communications |
| SEMC | Sony Ericsson Mobile Communications, AB |
| SEMC | Structural Engineering Mechanics and Computation |
| SEMC | State Emergency Management Committee (Australia) |
| SEMC | Search Engine Marketing Council |
| SEMC | Swedish Environmental Management Council |
| SEMC | Saint Elizabeth's Medical Center (Boston, MA, USA) |
| SEMC | Saint Elizabeth's Medical Center (Edgewood/Covington, KY, USA) |
| SEMC | Secretaria de Energia, Minas e Comunicações |
| SEMC | Southern and Eastern Mediterranean Countries |
| SEMC | State Encryption Management Commission (China) |
| SEMC | South East Metropolitan College of TAFE (Australia) |
| SEMC | Seafloor Electromagnetic Methods Consortium (Scripps Institution of Oceanography) |
| SEMC | Semiconductor Equipment Manufacturing Center (Air Products and Chemicals, Inc.; Allentown, PA, USA) |
| SEMC | Shanghai Environmental Monitoring Center |
| SEMC | Shanghai Economic Management College |
| SEMC | Scottish Early Music Consort |
| SEMC | Stockdales Electric Motor Corporation |
| SEMC | Southeast Museums Conference |
| SEMC | Southern Extension Marketing Committee |
| SEMC | Search Engine Marketing Consultation |
| SEMC | Structurally Engineered Moldable Composite (Wolverine Boots and Shoes) |
| SEMC | Schrodinger Equation Monte Carlo |
| SEMC | Scaled Ensemble Monte Carlo |
| SEMC | Systems Engineering Management Course (DSMC) |
| SEMC | South Eastern Music Centre |
| SEMC | Strategic Energy Management Corp |
| SEMC | Switching Equipment Manufacturing Company |
| SEMC | Satellite Equipment Manufacturing Corporation |
| SEMC | SIM_EDI Management Center |
| SEMC | Systems Engineering and Management Course (UK Royal Navy) |
| SEMC | Shanghai East Movie Channel |
| SEMC | Sociedad Ecuatoriana de Medicina Critica |
| SEMC | Seaport Environmental Management Committee |
| SEMC | Single-Electron Memory Cell |
| SEMC | Social Event Monitoring Committee |
| SEMC | Somass Estuary Management Committee |
| SEMC | Standard of Efficient Medical Care |
| SeMC | Se-M Methylselenocysteine |
| SEMC | Socioeconomic Evaluation and Monitoring Cell |
| SEMC | Silkworm Egg Multiplication Center (Philippines) |
| SEMC | Surface Equilibrium Moisture Content |
| SEMC | School of English and the Management Centre |
| SEMC | Santa Elina Mines Corporation |
| SEMC | Security Engineered Machinery Company, Inc. |
| SEMC | South Essex Microlight Club (UK) |
| SEMC | Saint Eugene Medical Center (South Carolina) |
| SEMC | Steinbach Evangelical Mennonite Church (Canada) |
| SEMC | Senior Environment Management Committee (Canadian Forces) |
| SEMC | Single Execution, Message Checksums |
| SEMC | Shijiazhuang Environmental Monitoring Center (China) |
| SEMC | Sheard European Management Consultants Limited |
| SEMC | Suriname Earth Moving Contractors (South America) |
| SEMC | Synergy Excel Management Consultants (consulting firm) |
| SEMC | Shillong Engineering and Management College (India) |