| Safety and Environment Protection System | Academic & Science |
| Scientific Exchange Programme | Academic & Science |
| Science Exchange Program | Academic & Science |
| Student Educational Plan | Academic & Science |
| Special Embassy Program | Academic & Science |
| Science Evaluation Panel | Academic & Science |
| Solar Electric Propulsion | Academic & Science |
| Association of Polish Electrical Engineers | Academic & Science |
| Stowarzyszenie Elektryków Polskich | Academic & Science |
| Science Environmental Policy | Academic & Science |
| Solar Energetic Particle | Academic & Science |
| Science Exchange Programme | Academic & Science |
| Systems Engineering Process | Academic & Science |
| Solar Energetic Particles | Academic & Science |
| Student Exchange Program | Academic & Science |
| Solve, Educate, And Prevent | Academic & Science |
| Stephenville (tx) | Airport Code |
| Society for Exact Philosophy | Associations & Organizations |
| Std Life Euro | Business |
| Simplified Employer Pension | Business |
| Standards Of Effective Practice | Business |
| Small Experimental Project | Business |
| Swedish Export CR Corporation | Business |
| Swingline Electric Punch | Business |
| Strategic Excellence Position | Business |
| Sector Expenditure Program | Business |
| South End Press | Business |
| Separate | Chemistry |
| School Educational Plan | Community |
| Science Enrichment Preparation | Community |
| Science Enrichment Program | Community |
| Student Education Profile | Community |
| Summer Enrichment Program | Community |
| Student Educational Planner | Community |
| Student Educational Planning | Community |
| Student Education Plan | Community |
| Self Employed Pension | Community |
| Supplementary Education Program | Community |
| Special Effects Performance | Community |
| Selective Polling (T.30) | Computer and Networking |
| Single Entry Point | Computing |
| System Enhancement Package | Computing |
| Simple And Easy Programming | Computing |
| Secure Execute Processor | Computing |
| Single Edge Processor | Computing |
| Systems Engineering Plan | Computing |
| Signaling End Point | Computing |
| Separator Page | Computing |
| Slashdot Effect Protection | Computing |
| Secure Entry Point | Computing |
| Search Engine Positioning | Computing |
| Spanning Explorer Packet | Computing |
| Symantec Endpoint Protection | Computing |
| Symantec Enterprise Protection | Computing |
| Service Execution Platform | Computing |
| Search Engine Poisoning | Computing |
| Secure Exchange Protocol | Computing |
| Santa Elena Peninsula | Earth Science |
| Software Engineering Process | Electronics |
| Printer Separator Page | File Type |
| Stanford Encyclopedia of Philosophy | General |
| Stanford Exploration Project | General |
| Summer Entrepreneurship Program | General |
| Saturday Enrichment Program | General |
| Stakeholder Enterprise Portal | General |
| SomatoSensory Evoked Potentials | General |
| Suzuki Eco Performance | General |
| Simulcast Edge Processor | General |
| Saturday Enrichment Programs | General |
| Site Engagement Program | General |
| Service Extremely Professional | General |
| Special Enrollment Periods | General |
| SBOL Enhancement Proposal | General |
| SunPy Enhancement Proposal | General |
| Selsius Ethernet Phone | General |
| Special Emphasis Panel | General |
| Smart Energy Profile | General |
| Separator | General |
| South East Panteras | General |
| Screamin Eagle Performance | General |
| Surface Extension Project | Governmental |
| Spectra Energy Partners | Governmental |
| State Energy Program | Governmental |
| Superior Energy Performance | Governmental |
| Science and Environmental Policy | Governmental |
| Supplemental Environmental Projects | Governmental |
| Strategic Enforcement Plan | Governmental |
| Supplemental Environmental Project | Governmental |
| Somebody Else's Problem | Governmental |
| Special Executive Protection | Governmental |
| Some Evil Powers | Governmental |
| Socialist Equality Party | Governmental |
| Specialna Enota Policije | Governmental |
| Social Equality Party | Governmental |
| Single Exit Price | Governmental |
| SODPUR | Indian Railway Station |
| Sozialistiche EinheitsPartei | International |
| Secretaría de Educación Pública | International |
| Search Engine Promotion | Internet |
| Somebody Else Problem | Internet |
| Someone Else's Problem | Internet |
| Simplified Employee Pension | Jobs |
| Simplified Employee Plan | Jobs |
| Surrogate Employer Programme | Jobs |
| Self-employed Professional | Jobs |
| Strong Error Percentage | Maths |
| Spherical Error Probability | Maths |
| Smallpox Eradication Program | Medical |
| Salmonid Enhancement Program | Medical |
| Somatosensory Evoked Potential | Medical |
| Sclerosing Encapsulating Peritonitis | Medical |
| Self-Evaluation Process | Medical |
| Standard Essential Patent | Messaging |
| Synthetic Environment Program | Military and Defence |
| Signal Entry Panel | Military and Defence |
| Soldier Enhancement Program | Military and Defence |
| Signal Entrance Panel | Military and Defence |
| Spherical Error Probable | Military and Defence |
| Special Emphasis Program | Military and Defence |
| System Evaluation Plan | Military and Defence |
| September | Month of Year |
| Scalable Encryption Processor | Networking |
| Scottish Equity Partners | Regional |
| Startup Europe Partnership | Regional |
| Software Engineering Professionals | Softwares |
| Source Evaluation Panel | Space Science |
| Support Electronics Package | Space Science |
| Support Equipment Package | Space Science |
| Separation | Space Science |
| Sports Entertainment Package | Sports |
| Clark Field Airport | Transport & Travel |
