| Student Organization Sustainability | Academic & Science |
| Students Offering Support | Academic & Science |
| Skills Of Success | Academic & Science |
| Significant Others Scale | Academic & Science |
| Student Orientation Service | Academic & Science |
| Student Oceanographic Society | Academic & Science |
| Society of Stranders | Academic & Science |
| Students Organized for Service | Academic & Science |
| Science On a Sphere | Academic & Science |
| Student-Owned Strategies | Academic & Science |
| Southern Oxidant Study | Academic & Science |
| Satellite Observing System | Academic & Science |
| Students Orienting Students | Academic & Science |
| Student Opportunities and Services | Academic & Science |
| Swedish Optical Society | Academic & Science |
| Svenska OptikSällskapet | Academic & Science |
| الجمعية السعودية لطب العيون | Academic & Science |
| Saudi Ophthalmological Society | Academic & Science |
| Scheduled Oil Sampling | Academic & Science |
| Students Organizing Students | Academic & Science |
| Set Out Seedlings | Academic & Science |
| School Of Swing | Academic & Science |
| Sumatran Orangutan Society | Academic & Science |
| Stressed Out Sex | Academic & Science |
| Social studies (sciences) | Academic & Science |
| Student Organized Seminar | Academic & Science |
| Students Of Service | Academic & Science |
| Students Offering Services | Academic & Science |
| Support One Student | Academic & Science |
| Spend Or Save | Accounts and Finance |
| Start Out Savings | Accounts and Finance |
| Save, Organize, and Share | Banking |
| Simple Original Solutions | Business |
| Structured Operational Spinroot | Business |
| Syracuse Orthopedic Specialists | Business |
| Speed Of Service | Business |
| Storage Computer Corporation | Business |
| Supportive Oncology Services | Business |
| Scheduled Oil Sample | Business |
| Sherwood Oaks Seaters | Business |
| Store Opening Solutions | Business |
| Scope Of Supply | Business |
| Simons Offline Service | Business |
| Snake Oil Sales | Business |
| Service Optimization Solution | Business |
| See Our Shirts | Business |
| Save Our Separator | Business |
| Situations, Outcomes, and Strategies | Business |
| Sequential Ongoing Strategies | Business |
| Staff On Site | Business |
| Sounds Of Succes | Business |
| Story Options Solutions | Business |
| Save Our Sanity | Community |
| Source Of Strength | Community |
| Soldiers Of Satan | Community |
| Simplicity Of Spirituality | Community |
| Save Outdoor Sculpture | Community |
| Scripps Outstanding Speakers | Community |
| Supporters Of Soul | Community |
| Speak Out Students | Community |
| Save Our Soul | Community |
| Serve Our Sisters | Community |
| Sundays Of Summer | Community |
| Seeds Of Success | Community |
| Survivors Of Suicide | Community |
| Success Oriented Schooling | Community |
| Serve Our Schools | Community |
| Secret Of Spriteland | Community |
| Share Our Strength | Community |
| Support Our Sports | Community |
| Summary, Opinion, and Support | Community |
| Sharing Our Skills | Community |
| Serve Our School | Community |
| Support Our Students | Community |
| Share Our Savior | Community |
| Summer Of Service | Community |
| Serving Our Savior | Community |
| Searching Out Scripture | Community |
| Son Of Satan | Community |
| Save Our Schools | Community |
| Save Our Students | Community |
| Salvation Of Souls | Community |
| Satanic Occult Spectrum | Community |
| Support Our Seminarians | Community |
| Squadron Officer School | Community |
| Sistas Of Soul | Community |
| Significant Others and Spouses | Community |
| Settlement On the Sturgeon | Community |
| Student Outreach Services | Community |
| Sisters Offering Support | Community |
| Soul Of Souls | Community |
| Save Our Shepherds | Community |
| Standing Order Subscription | Community |
| Spawn Of Satan | Community |
| Six On Saturday | Community |
| South Oakland Shelter | Community |
| Save Ontario's Shipwrecks | Community |
| Shape, Originality, and Style | Community |
| Substance Over Spelling | Community |
| Serve Only Sonoma | Community |
| Sedgwick Often Says | Community |
| Save Oregon Shipwrecks | Community |
| Save Our Sentinel | Community |
| Share Our Strengths | Community |
| Save Our Streams | Community |
| Sick Of Sin | Community |
| Save Our Silver | Community |
| Support Our Scouts | Community |
| Sentences Of Seven | Community |
| Save Our Santa | Community |
| Sound Of Soul | Community |
| Servants Of the Savior | Community |
| Self Organizing Society | Community |
| Spirit Of the Sharks | Community |
| Starting Over Successfully | Community |
| Serve Our Savior | Community |
| Sounds Of the Spirit | Community |
| Sold Out Souls | Community |
| Set Of Support | Community |
| Save OurSelves | Community |
| Secular Organizations for Sobriety | Community |
| Sharing Our Selves | Community |
| Save Old Souls | Community |
| Save Our School | Community |
| Speech Option Selection | Computer and Networking |
| Swap Operating Shell | Computer Assembly Language |
| Start-up Override Switch | Computer Hardware |
| Senternet Online Support | Computing |
| Son Of Samurai | Computing |
| Sons Of Storm | Computing |
| Switch On Screen | Computing |
| Sophisticated Operating System | Computing |
| Sco Online Support | Computing |
| Service On Site | Computing |
| Start Of Significance | Computing |
| Symbian Operating System | Computing |
| System Overclock Saver | Computing |
| Shared Object Space | Computing |
| Security Of Systems | Computing |
| Short On Storage | Computing |
| Share Operating System | Computing |
| Sales Engineer Online Specialist | Computing |
| Symantec Online Support | Computing |
| Supporting Organizations | Computing |
| Software Open Source | Computing |
| Server Operating System | Computing |
| Safe Online Surfing | Computing |
| Somali Shilling | Country Currency |
| OpenDAO | Cryptocurrency |
| SonOfSaitama | Cryptocurrency |
| Standing On Stone | Earth Science |
| Silicon On Sapphire | Electronics |
| Save Our Smallville | General |
| Save Our Socks | General |
| Secret Of Santa | General |
| Sound On Sound | General |
| Sensor Observation Service | General |
| Save our ships | General |
| Save Our Scraps | General |
| Same Old Stuff | General |
| Save Our Snoopys | General |
| Swapping Operating System | General |
| Save Our Skin | General |
| Save Our Shores | General |
| Survival of the Shawangunks | General |
| Son Of Sevenless | General |
| Seconds of Summer | General |
| something or not SOS | General |
| Switched On Schoolhouse | General |
| Save Our Sisters | General |
| Signs of Suicide | General |
| Save Our Sols | General |
| Send One Suit | General |
| Salt Overly Sensitive | General |
| Save Our Soil | General |
| Soroptomists Own Stock | General |
| Supporter Of Sora | General |
| Safe Our Souls | General |
| Save Our Streets | General |
| Sill Ost and Snaps | General |
| Save Our Species | General |
| Safely Obtaining Sobriety | General |
| Save Our Sub | General |
| Safely Obtaining Sobreity | General |
| Southern Oregon Speedway | General |
| Southern Ontario Sprints | General |
| Seat Occupancy Sensing | General |
| Safe Operating Stop | General |
| Southern Outlaw Sprints | General |
| Ship Or Shoot | General |
| Shell Organizzazione Sottozero | General |
| Synthetic Oil Stabilizer | General |
| Jaguar Service on Site | General |
| Some One Smart | General |
| Speak Out Softly | General |
| Save Our Skins | General |
| Shave Our Shins | General |
| Steak On a Shingle | General |
| Strawberry On Shortcake | General |
| Sum Of Stupidity | General |
| Susies One Size | General |
| Save Our Styles | General |
| Save Our Saucepans | General |
| Sober Or Slammer | Governmental |
| Save Our Society | Governmental |
| Secretary Of State | Governmental |
| Special Opportunity Stipend | Governmental |
| Save Our State | Governmental |
| Safe Operating Speed | Governmental |
| Sara's Online Sanctuary | Governmental |
| Son Of Sam | Governmental |
| Summary Opinion Support | Governmental |
| Save Our Spring | Governmental |
| Shoot On Sight | Governmental |
| Sustainable Open Space | Governmental |
| Support Our Society | Governmental |
| SOMESAR | Indian Railway Station |
| Sosyoloji | International |
| Safe Online Shopping | Internet |
| Secret Of Success | Internet |
| Sink Or Swim | Internet |
| Someone (watching) Over Shoulder | Internet Slang |
| Seek Optimum Skills | Jobs |
| Structural Operational Semantics | Maths |
| Snore Outcomes Survey | Medical |
| Stent Or Surgery | Medical |
| Sudden Onset of Sleep | Medical |
| Surgery On Site | Medical |
| Si Opus Sit (If there is a need) | Medical |
| Stimulation Of Senses | Medical |
| Surgical Obstetrical Silicone | Medical |
| Save Our Surgery | Medical |
| Save Our Subluxation | Medical |
| Si Opus Sit (in Latin) ie. if there is a need /if needed /if necessary | Medical |
| Save Our Seniors | Medical |
| Sub-Occipital Soother | Medical |
| Son Of Sevenless gene encoding factor | Medical |
| Signs Of Stress | Medical |
| Sibling Over Shoulder | Messaging |
| Simple Operating System | Messaging |
| Some One Special | Messaging |
| Save Our Ship | Military and Defence |
| System of Systems | Military and Defence |
| Service Over Self | Military and Defence |
| Support Our Station | Military and Defence |
| Service of Supply | Military and Defence |
| Send Out Someone | Military and Defence |
| Special Operations Squadron | Military and Defence |
| Save Our Sailors | Military and Defence |
| Son of Spy | Military and Defence |
| Save Our Souls | Military and Defence |
| Support Our Soldiers | Military and Defence |
| Shipments of Spares | Military and Defence |
| Slightly Off Specification | Military and Defence |
| Morse code distress signal | Mobile Technology |
| Snmp (simple Network Management Protocol) Operating System | Networking |
| Stimulated Orientational Scattering | Physics Related |
| Spin Orbital Splitting | Physics Related |
| International Distress Signal | Radio Science |
| Send Out Signal | Radio Science |
| Structured Operational Semantics | Softwares |
| Service Offering Solutions | Softwares |
| Screen of Screens | Softwares |
| Standard Operating System | Softwares |
| Serial Output Special | Space Science |
| Source of Supply | Space Science |
| Stabilized Optical Sight | Space Science |
| Spirit of Sharing | Sports |
| Same Old Sox | Sports |
| Spirt of The Sharks | Sports |
| Swim On Side | Sports |
| Strength of Schedule | Sports |
| Stock Optimizing Selector | Stock Exchange |
