| Acronym | Definition |
|---|
| SES | Senior Executive Service (US government) |
| SES | Search Engine Strategies (conference series; est. 1999) |
| SES | State Emergency Service (Australian Volunteer Organisation) |
| SES | Supplemental Educational Services |
| SES | Straight Edge Society (various locations) |
| SES | Sciences Economiques et Sociales (French: Economics and Social Sciences) |
| SES | Socioeconomic Status |
| SES | Senior Executive Service (federal government) |
| SES | Sustainable Engineering Solutions (various locations) |
| SES | Socio-Economic Situation |
| SES | School of Engineering and Science (various locations) |
| SES | Single European Sky (air navigation; EU) |
| SES | Sale el Sol (Shakira album) |
| SES | Special Education School (various locations) |
| SES | System Engineering Support |
| SES | Sustainable Energy Systems |
| SES | SCSI Enclosure Services |
| SES | Saturday Evening Service (church service) |
| SES | Social and Economic Sciences (US NSF) |
| SES | Software Engineering Solutions (Bellevue, NE) |
| SES | Service Expansion Shelf (Cisco) |
| SES | Supported Employment Services (various organizations) |
| SES | School of Education Studies (various locations) |
| SES | Senior Experten Service (Germany) |
| SES | Sempra Energy Solutions (various locations) |
| SES | Secure Email Service (software) |
| SES | Software Engineering Series |
| SES | Standard Energy Solutions |
| SES | Single Economic Space (various nations) |
| SES | St. Elizabeth Seton |
| SES | Southern Evangelical Seminary (Matthews, NC) |
| SES | Security Equipment Supply (est. 1982) |
| SES | Service Engine Soon (automotive) |
| SES | Secure Enterprise Search (software) |
| SES | Symon Enterprise Server |
| SES | Switching Elements |
| SES | Session Information |
| SES | Scsi Enclosure Service |
| SES | Small Enterprise Solution |
| SES | Severe Errored Seconds |
| SES | Securedoc Enterprise Server |
| SES | Scheduling and Execution Subsystem |
| SES | Syntax Errors |
| SES | Symantec Education Services |
| SES | Storage Essentials Suite |
| SES | Settlement and Exchange Services |
| SES | Search Engine Strategies |
| SES | Speech Engine Services |
| SES | Service Expansion Shelf |
| SES | Small Enterprise Server |
| SES | Sensor Edge Server |
| SES | Special Event Station (various organizations) |
| SES | Servicio Extremeño de Salud |
| SES | Stamford Endowed Schools (Stamford, Lincolnshire, England, UK) |
| SES | Single Equality Scheme (UK) |
| SES | Sirolimus-Eluting Stent |
| SES | Smile Empty Soul (band) |
| SES | Servo Erector Set (robotics) |
| SES | Subsecretaria de Educacion Superior (Spanish) |
| SES | Societe Europeenne des Satellites |
| SES | Stock Exchange of Singapore |
| SES | Special Evaluation Study (various organizations) |
| SES | Standards Engineering Society |
| SES | Small Edison Screw (type of cap on electric bulb) |
| SES | Search Engine Safe (website addresses) |
| SES | Self Efficacy Scale |
| SES | Secure Easy Setup (Linksys) |
| SES | Student Employment Service (various schools) |
| SES | Surface Effect Ship |
| SES | Select Engineered Systems (Hialeah, FL) |
| SES | School of Environmental Studies (Apple Valley, MN) |
| SES | Satellite Earth Stations and Systems |
| SES | Suspended Execution of Sentence (Missouri) |
| SES | Systems Engineering Services |
| SES | Ship Earth Station (INMARSAT) |
| SES | Sociaal Economische Samenwerking (Dutch: Social and Economic Cooperation) |
| SES | Saskatchewan Environmental Society (Canada) |
| SES | Smart Enterprise Suite (elearning) |
| SES | Supplementary Education Schools |
| SES | Suez Energy Services |
| SES | School of English Studies |
| SES | Secure Email Solution (software) |
| SES | Scientific and Engineering Software |
| SES | Steam Electric Station |
| SES | Sécurité et Signalisation (French: Security and Signaling; traffic sign company) |
| SES | Software Education Services (Cray Research) |
| SES | Société d'Energie Solaire (French: Solar Energy Company; Switzerland) |
| SES | Specialist Education Services (New Zealand) |
| SES | Signed Envelope Sender (computing protocol) |
| SES | Store Electronic Systems (France) |
| SES | Software Engineering Support |
| SES | Sea Eugene Shoo |
| SES | Standard Exchange System (customs) |
| SES | Solaris Enterprise System (software) |
| SES | Shared Energy Savings |
| SES | Simple Exponential Smoothing |
| SES | Static Excitation System (electrical engineering) |
| SES | Secure Export Scheme (New Zealand) |
| SES | Solar Energy Services (Millersville, MD) |
| SES | Solidarische Einfachsteuer (German: solidary single tax ) |
| SES | Single Exponential Smoothing |
| SES | Soil Environment Services Limited (UK) |
| SES | Specialized Event Services (various companies) |
| SES | Sunnyside Environmental School (Portland, OR) |
| SES | Support Enforcement Service (various states) |
| SES | Sector Enforcement Specialist (law enforcement) |
| SES | Secondary Emissions Standard |
| SES | Scandinavian Electric Systems AS |
| SES | Shuttle Engineering Simulation (US NASA) |
| SES | Specialist Electronics Services Ltd (UK) |
| SES | Saskatoon Engineering Society |
| SES | Software Effective Solutions (Philippines) |
| SES | Strategy Execution Services (Netherlands) |
| SES | Sevenson Environmental Services, Inc (Niagara Falls, NY) |
| SES | Severely Error Seconds |
| SES | Space Environment Simulator |
| SES | Smyrna Elementary School (Smyrna, Delaware) |
| SES | Semantic e-Science (Workshop) |
| SES | Switched Ethernet Service (Verizon) |
| SES | Source End System |
| SES | Department of Social and Economic Studies (University of Bradford) |
| SES | Système d'Eclairage de Sécurité (French: Lighting System Security) |
| SES | Sustainable Energy Standard |
| SES | Strategic Engineering Survey (US Navy) |
| SES | Service Entrance Section (electrical) |
| SES | Seaford Elementary School |
| SES | Stirling Engine System |
| SES | Seatla Esperanto-Societo (Seattle Esperanto Society; formerly Societo Esperantista de Seattle) |
| SES | Selected Educational Statistics (India) |
| SES | Secretary for Economic Services (Hong Kong) |
| SES | Senior Executive Schedule |
| SES | Sudden Enhancement of Signal |
| SES | Special Environmental Study |
| SES | Southeast of Saline School (Gypsum, Kansas) |
| SES | Suffield Experimental Station (Canada) |
| SES | Student Electronic Services |
| SES | Spectrum Educational Supplies Limited (Canada) |
| SES | Southern Eagles Soaring (Lagrange-Callaway Airport, GA) |
| SES | Softcopy Exploitation Segment |
| SES | Safety and Enforcement Statistics (UK) |
| SES | Southeastern Stages, Inc. |
| SES | Signals Exploitation Space |
| SES | Summit Electric Supply, Inc (wholesale distributor) |
| SES | Sanovo Environmental Solutions A/S (Denmark) |
| SES | Society of Engineers and Scientists |
| SES | Support Electronics Section |
| SES | System Engineering Specification |
| SES | Support Electronics Subsystem |
| SES | Systems Engineering/Evaluation Simulator |
| SES | Scientific & Engineering Support |
| SES | Skills Evaluation Session |
| SES | System Engineering Station |
| SES | Symbol Encoding Sublayer |
| SES | Severed Error Second |
| SES | Physically on Board Serving Sentence of Court Martial, Not Ship's Company |
| SES | Sequential Event Schedules (Naval Sea Systems Command) |
| SES | Small Extension Switch |
| SES | Systems Exploitation Segment |
| SES | Stern Embarkation System |
| SES | Stationary-Ergodic Source |
| SES | Satellite Encryption System |
| SES | Sun Ecartometry Sensor |
| SES | Sundargarh Engineering School |
| SES | Sheratgarh Environmental Society (India) |
| SES | Studies and Expansion Society |