| SEMS | Montjas Sur, Ecuador 
| Others |
| SEMS | Safety and
| Others |
| SEMS | Safety and Environmental Management System
| Others |
| SEMS | Safety and Environmental Management Systems
| Others |
| SEMS | Safety Environment Management System
| Others |
| SEMS | Safety Environmental Management System
| Others |
| SEMS | San Elijo Middle School
| Others |
| SEMS | Scanning Electrical Mobility Spectrometer
| Others |
| SEMS | scanning electron microscope SEM
| Others |
| SEMS | Scanning Electron Microscopes SEM
| Others |
| SEMS | School of Engineering and Mathematical Sciences
| Others |
| SEMS | School of Engineering Mathematics and Science
| Others |
| SEMS | Search engine marketing SEM
| Others |
| SEMS | Secondary Education in Mathematics and Science
| Others |
| SEMS | Secure Electronic Messaging System
| Others |
| SEMS | Selective Enforcement Motorcycle Squad
| Others |
| SEMS | Self Expandable Metal Stents
| Others |
| SEMS | Self Expanding Metal Stent
| Others |
| SEMS | Self-Expandable Metallic Stent
| Others |
| SEMS | SERDP and ESTCP Management System
| Others |
| SEMS | Sheraa Entertainment & Marketing Services
| Others |
| SEMS | Short E-mail Message Service
| Others |
| SEMS | Simplified Emissions Monitoring System
| Others |
| SEMS | SIP Express Media Server
| Others |
| SEMS | SKMM Examination Management System
| Others |
| SEMS | Small Emission Measurement System
| Others |
| SEMS | Smart Emissions Measurement System
| Others |
| SEMS | Society for Engineering and Management Systems
| Others |
| SEMS | Society for Engineering Management Systems
| Others |
| SEMS | Software Engineering Management System
| Others |
| SEMS | South East Metro Sharks
| Others |
| SEMS | South Eastern Middle School
| Others |
| SEMS | South Effingham Middle School
| Others |
| SEMS | Space Environment Monitor System
| Others |
| SEMS | Special Education Management System
| Others |
| SEMS | Special Education Mediation Services
| Others |
| SEMS | Spectrum Emulator Made in Swift
| Others |
| SEMS | St. Edward Middle School
| Others |
| SEMS | Standard Embarkation Management System
| Others |
| SEMS | Standard Emergency Management System
| Others |
| SEMS | Standardized Emergency Management System
| Others |
| SEMS | Student Education Management Systems
| Others |
| SEMS | Student Emergency Medical Services
| Others |
| SEMS | Student Employment Management System
| Others |
| SEMS | Sturm European Military Surplus
| Others |
| SEMS | Substitute Employee Management System
| Others |
| SEMS | Substitute Employment Management System
| Others |
| SEMS | SUNRISE Eng Med SCHOOL
| Others |
| SEMS | Superfund Enterprise Management System
| Others |
| SEMS | Support For Ethnic Minority Students
| Others |
| SEMS | Surrey European Management School
| Others |
| SEMS | Sustainable Energy Management System
| Others |
| SEMS | Synthesis Enterprise Management System
| Others |
| SEMS | System Engineering Management System
| Others |
| SEMS | System for Emergency Mission of Standards
| Others |