Companies, S · Sp to Sk
SS&P GlobalFinancial data and information services · United States·Hard to displaceSs2.devYC Fall 2025 · United States·Losing its protectionSSaab ABSpace, defense and state enterprises · Sweden·Hard to displaceSSaber InteractiveGaming companies · United States·Protection under testSSabio GroupBPO and customer operations firms · United States·Protection under testSSablonoVertical and industry software · Canada·Protection under testSSabre CorporationRail and transport infrastructure · United States·Losing its protectionSSafeCrypto and digital asset companies · Germany·Losing its protectionSSafe SecurityCybersecurity companies · India·Protection under testSSafe SuperintelligenceUnited States · United States·Losing its protectionSSafe Superintelligence Inc.AI companies and labs · United States·Losing its protectionSSafeBreachCybersecurity companies · Israel·Losing its protectionSSafeGraphFinancial data and information services · United States·Protection under testSSafeguard GlobalJob boards and HR platforms · United States·Losing its protectionSSafetyCultureAustralia · Australia·Losing its protectionSSafetyCulture Pty LtdEnterprise and productivity software · Australia·Losing its protectionSSaffronYC Spring 2026 · United States·Little protection leftSSafran SAManufacturing companies · France·Hard to displaceSSaga Communications, Inc.Broadcast and traditional media · United States·Protection under testSSage HRJob boards and HR platforms · United Kingdom·Losing its protectionSSAI360Accounting, tax and business software · United States·Losing its protectionSSaia Inc.Logistics and supply chain companies · United States·Defensible for nowSSAICCybersecurity companies · United States·Defensible for nowSSAIC Motor CorporationAutomotive companies · China·Losing its protectionSSaie BeautyConsumer brands · United States·Protection under testSSaigon Beer-Alcohol-Beverage Corporation (Sabeco)Retail and consumer conglomerates · Vietnam·Protection under testSSailPointCybersecurity companies · United States·Protection under testSSakana AIAI companies and labs · Japan·Losing its protectionSSakura InternetCloud and infrastructure providers · Japan·Defensible for nowSSalary.comJob boards and HR platforms · United States·Protection under testSSalem Media Group, Inc.Broadcast and traditional media · United States·Little protection leftSSalem Robotics IncYC Summer 2026 · United States·Losing its protectionSSalesforceConsumer internet and adtech companies · United States·Defensible for nowSSalesgraphYC Spring 2026 · United States·Little protection leftSSalesloftConsumer internet and adtech companies · United States·Losing its protectionSSalsifyUnited States · United States·Protection under testSSalspera Inc.United States·Protection under testSSalt Mobile SATelecom infrastructure · Switzerland·Hard to displaceSSalt SecurityCybersecurity companies · United States·Losing its protectionSSalusYC Winter 2026 · United States·Protection under testSSam's ClubE-commerce and marketplaces · United States·Hard to displaceSSamba TVFinancial data and information services · United States·Losing its protectionSSambaNova SystemsAI companies and labs · United States·Losing its protectionSSamiInsurance technology companies · Brazil·Losing its protectionSSamora AIYC Winter 2026 · United States·Little protection leftSSamsaraLogistics and supply chain companies · United States·Defensible for nowSSamsonite International S.A.Consumer brands · Luxembourg·Hard to displaceSSamsung BiologicsBiotech tools companies · South Korea·Hard to displaceSSamsung C&T CorporationReal estate developers · South Korea·Hard to displaceSSamsung ElectronicsManufacturing companies · South Korea·Defensible for nowSSamsung Fire & Marine InsuranceInsurance companies · South Korea·Hard to displaceSSamsung Heavy IndustriesManufacturing companies · South Korea·Defensible for nowSSamsung Life InsuranceInsurance companies · South Korea·Hard to displaceSSamsung SDIAutomotive companies · South Korea·Protection under testSSamsung SDSIT services and system integrators · South Korea·Hard to displaceSSan Miguel CorporationFood tech and alternative protein · Philippines·Defensible for nowSSanaSweden·Defensible for nowSSanan OptoelectronicsSemiconductor companies · China·Protection under testSSanction ScannerAccounting, tax and business software · Turkey·Losing its protectionSSanctions.ioAccounting, tax and business software · United Kingdom·Protection under testSSanctuary AIAI companies and labs · Canada·Protection under testSSandboxAQUnited States · United States·Losing its protectionSSandvik ABManufacturing companies · Sweden·Hard to displaceSSangfor TechnologiesCybersecurity companies · China·Protection under testSSanminaIT services and system integrators · United States·Losing its protectionSSanofiPharma and healthcare groups · France·Hard to displaceSSanoma LearningEducation companies · Finland·Hard to displaceSSanrio CompanyRetail and consumer conglomerates · Japan·Hard to displaceSSansanAccounting, tax and business software · Japan·Hard to displaceSSansan Inc.Data and analytics companies · Japan·Hard to displaceSSansiri Public CompanyReal estate developers · Thailand·Defensible for nowSSanta Monica StudioGaming companies · United States·Hard to displaceSSanten PharmaceuticalPharma and healthcare groups · Japan·Hard to displaceSSantos LimitedOil and gas companies · Australia·Losing its protectionSSany Heavy Industry Co., Ltd.Manufacturing companies · China·Hard to displaceSSanyo Shokai Ltd.Consumer brands · Japan·Losing its protectionSSAP FieldglassJob boards and HR platforms · United States·Hard to displaceSSAP LitmosEducation companies · United States·Protection under testSSAP SEEnterprise and productivity software · Germany·Hard to displaceSSapiens InternationalInsurance technology companies · Israel·Defensible for nowSSaramin HRJob boards and HR platforms · South Korea·Losing its protectionSSarcos Technology and RoboticsRobotics and industrial automation · United States·Losing its protectionSSardinePayments companies · United States·Protection under testSSarepta TherapeuticsPharma and healthcare groups · United States·Losing its protectionSSaronic TechnologiesSpace, defense and state enterprises · United States·Defensible for nowSSartorius AGBiotech tools companies · Germany·Hard to displaceSSarvamIndia · India·Losing its protectionSSAS InstituteAccounting, tax and business software · United States·Losing its protectionSSAS Scandinavian AirlinesRail and transport infrastructure · Sweden·Defensible for nowSSasol LimitedOil and gas companies · South Africa·Losing its protectionSSatchelEducation companies · United Kingdom·Losing its protectionSSatellogicSpace, defense and state enterprises · Argentina·Losing its protectionSSatellos Bioscience Inc.Canada·Losing its protectionSSatispayItaly·Protection under testSSATS Ltd.Rail and transport infrastructure · Singapore·Hard to displaceSSauce LabsCloud and infrastructure providers · United States·Losing its protectionSSaudara AIYC Spring 2026 · United States·Losing its protectionSSaudi Arabian Oil Company (Saudi Aramco)Manufacturing companies · Saudi Arabia·Hard to displaceSSaudi Electricity CompanyOil and gas companies · Saudi Arabia·Hard to displaceSSaudi Telecom Company (STC)Telecom infrastructure · Saudi Arabia·Hard to displaceSSaudia (Saudi Arabian Airlines)Rail and transport infrastructure · Saudi Arabia·Protection under testSSavaYC Fall 2025 · United States·Losing its protectionSSavage X FentyUnited States · United States·Losing its protectionSSavantYC Spring 2026 · United States·Little protection leftSSave the ChildrenNonprofits and NGOs · United Kingdom·Losing its protectionSSavills plcReal estate developers · United Kingdom·Defensible for nowSSaviokeRobotics and industrial automation · United States·Losing its protectionSSaviyntCybersecurity companies · United States·Defensible for nowSSavvas Learning CompanyEducation companies · United States·Defensible for nowSSavvy Games GroupGaming companies · Saudi Arabia·Hard to displaceSSavvyCalEnterprise and productivity software · United States·Losing its protectionSSayariFinancial data and information services · United States·Defensible for nowSSazabiYC Winter 2026 · United States·Losing its protectionSSBA Communications CorporationReal estate developers · United States·Hard to displaceSSBI HoldingsPayments companies · Japan·Hard to displaceSSBI Life InsuranceInsurance companies · India·Hard to displaceSSBI Sumishin Net BankPayments companies · Japan·Defensible for nowSSBI VC TradeCrypto and digital asset companies · Japan·Defensible for nowSSBS TransitRail and transport infrastructure · Singapore·Defensible for nowSScalable CapitalBanks and financial groups · Germany·Losing its protectionSScalapayItaly·Losing its protectionSScaleUnited States · United States·Losing its protectionSScale AIData and analytics companies · United States·Losing its protectionSScalerEducation companies · India·Protection under testSScalewayTelecom operators · France·Protection under testSScanditSwitzerland·Losing its protectionSScania ABAutomotive companies · Sweden·Hard to displaceSScentre GroupReal estate developers · Australia·Hard to displaceSSchaeffler AGManufacturing companies · Germany·Protection under testSScheduling WizardYC Winter 2026 · United States·Losing its protectionSSchibsted ASABroadcast and traditional media · Norway·Protection under testSSchlumberger (SLB)Oil and gas companies · United States·Hard to displaceSSchneider ElectricManufacturing companies · France·Hard to displaceSSchneider NationalLogistics and supply chain companies · United States·Protection under testSScholastic CorporationEducation companies · United States·Protection under testSSchooEducation companies · Japan·Losing its protectionSSchoologyEducation companies · United States·Losing its protectionSScienceUnited States · United States·Losing its protectionSScienceSwarmYC Spring 2026 · United States·Losing its protectionSSciFi FoodsFood tech and alternative protein · United States·Little protection leftSSciloopYC Fall 2025 · United States·Little protection leftSScoopYC Fall 2025 · United States·Losing its protectionSScootRail and transport infrastructure · Singapore·Defensible for nowSScopeYC Spring 2026 · United States·Losing its protectionSScope RatingsFinancial data and information services · Germany·Defensible for nowSScopelyGaming companies · United States·Defensible for nowSScoroEnterprise and productivity software · Estonia·Losing its protectionSScotiabankBanks and financial groups · Canada·Defensible for nowSScott AIYC Fall 2025 · United States·Losing its protectionSScout24E-commerce and marketplaces · Germany·Hard to displaceSSCREEN HoldingsSemiconductor companies · Japan·Hard to displaceSscreenpipeYC Summer 2026 · United States·Losing its protectionSScribeUnited States · United States·Losing its protectionSScrimbaEducation companies · Norway·Losing its protectionSScrollCrypto and digital asset companies · Singapore·Little protection leftSSCSK CorporationIT services and system integrators · Japan·Hard to displaceSScyllaDBData and analytics companies · Israel·Losing its protectionSSea Limited (Shopee)E-commerce and marketplaces · Singapore·Protection under testSSeaboardRetail and consumer conglomerates · United States·Hard to displaceSSeahawk Recycling Holdings, Inc.Japan·Little protection leftSSeamless.aiConsumer internet and adtech companies · United States·Little protection leftSSeatGeekUnited States · United States·Losing its protectionSSeazen HoldingsReal estate developers · China·Losing its protectionSSebia SABiotech tools companies · France·Hard to displaceSSecodaData and analytics companies · Canada·Losing its protectionSSecom Trust SystemsCybersecurity companies · Japan·Hard to displaceSSecond Front SystemsSpace, defense and state enterprises · United States·Protection under testSSecond MeasureFinancial data and information services · United States·Hard to displaceSSectigoCybersecurity companies · United States·Defensible for nowSSectionTelecom operators · Canada·Protection under testSSecuiCybersecurity companies · China·Losing its protectionSSecure Code WarriorCybersecurity companies · Australia·Losing its protectionSSecureframeAccounting, tax and business software · United States·Losing its protectionSSecureMetricCybersecurity companies · Singapore·Protection under testSSecureworksCybersecurity companies · United States·Losing its protectionSSecurian Financial GroupInsurance companies · United States·Hard to displaceSSecuritas ABStaffing and recruitment firms · Sweden·Protection under testSSecuritiCybersecurity companies · United States·Protection under testSSecuritizeCrypto and digital asset companies · United States·Protection under testSSecurity BankInsurance companies · Philippines·Hard to displaceSSecurityScorecardCybersecurity companies · United States·Protection under testSSecuronixCybersecurity companies · United States·Losing its protectionSSeeClickFixGovernment and public sector tech · United States·Hard to displaceSSeegeneMedical technology and health companies · South Korea·Defensible for nowSSeegridRobotics and industrial automation · United States·Protection under testSSeeing SystemsYC Winter 2026 · United Kingdom·Protection under testSSEEK LimitedJob boards and HR platforms · Australia·Defensible for nowSSeeking AlphaFinancial data and information services · United States·Losing its protectionSSeekOutJob boards and HR platforms · United States·Protection under testSSeekrUnited States · United States·Losing its protectionSSeeQC, Inc.United States·Losing its protectionSSeer Inc.Biotech tools companies · United States·Losing its protectionSSeesawEducation companies · United States·Defensible for nowSSeeyon (致远互联)Enterprise and productivity software · China·Little protection leftSSegaGaming companies · Japan·Defensible for nowSSega Sammy HoldingsGaming companies · Japan·Defensible for nowSSegro plcReal estate developers · United Kingdom·Losing its protectionSSei LabsCrypto and digital asset companies · United States·Losing its protectionSSeibu Holdings Inc.Rail and transport infrastructure · Japan·Hard to displaceSSeino HoldingsLogistics and supply chain companies · Japan·Hard to displaceSSeismicConsumer internet and adtech companies · United States·Losing its protectionSSekisui Chemical Co., Ltd.Biotech tools companies · Japan·Hard to displaceSSekisui HouseReal estate developers · Japan·Defensible for nowSSelect VoiceComBPO and customer operations firms · Philippines·Protection under testSSelectelTelecom operators · Russia·Losing its protectionSSelectQuoteInsurance technology companies · United States·Losing its protectionSSelfinYC Fall 2025 · United States·Little protection leftSSellerXGermany · Germany·Little protection leftSSellfyCreator economy and media tech · Lithuania·Little protection leftSSellRazeYC Fall 2025 · United States·Protection under testSSemble AIYC Fall 2025 · United States·Losing its protectionSSemgrepCloud and infrastructure providers · United States·Losing its protectionSSemiDriveChina · China·Losing its protectionSSemiosVertical and industry software · Canada·Losing its protectionSSemioticYC Fall 2025 · United States·Little protection leftSSemir Garment Co., Ltd.Consumer brands · China·Protection under testSSemperisCybersecurity companies · United States·Hard to displaceSSempraManufacturing companies · United States·Hard to displaceSSemrushFinancial data and information services · United States·Losing its protectionSSemtechSemiconductor companies · United States·Losing its protectionSSenco Gold LimitedConsumer brands · India·Losing its protectionSSencropVertical and industry software · France·Protection under testSSendbirdAI companies and labs · South Korea·Losing its protectionSSendibleCreator economy and media tech · United Kingdom·Protection under testSSendoE-commerce and marketplaces · Vietnam·Little protection leftSSeneca LearningEducation companies · United Kingdom·Losing its protectionSSenetasCybersecurity companies · Australia·Protection under testSSenko Group HoldingsLogistics and supply chain companies · Japan·Defensible for nowSsennderLogistics and supply chain companies · Germany·Losing its protectionSSenseJob boards and HR platforms · United States·Losing its protectionSSenseforth.aiBPO and customer operations firms · India·Little protection leftSSenseTimeAI companies and labs · China·Losing its protectionSSensor TowerFinancial data and information services · United States·Protection under testSSensors Data (神策数据)Data and analytics companies · China·Losing its protectionSSenteraFood tech and alternative protein · United States·Defensible for nowSSentinelOneCybersecurity companies · Israel·Losing its protectionSSentraCybersecurity companies · United States·Losing its protectionSSentrialYC Winter 2026 · United States·Little protection leftSSentryCloud and infrastructure providers · United States·Hard to displaceSSeoul Broadcasting System Co., Ltd.Broadcast and traditional media · South Korea·Losing its protectionSSeoul MetroRail and transport infrastructure · South Korea·Hard to displaceSSeoul National UniversityUniversities and education institutions · South Korea·Hard to displaceSSephoraConsumer brands · France·Hard to displaceSSepteni Holdings Co., Ltd.Consumer internet and adtech companies · Japan·Protection under testSSeptwolves Industry Co., Ltd.Consumer brands · China·Losing its protectionSSeqriteCybersecurity companies · India·Losing its protectionSSequence MarketsYC Winter 2026 · Canada·Protection under testSSequretekCybersecurity companies · India·Losing its protectionSSeratoDesign and creative software · New Zealand·Hard to displaceSSerco GroupStaffing and recruitment firms · United Kingdom·Hard to displaceSSerif LabsDesign and creative software · United Kingdom·Protection under testSService FusionVertical and industry software · United States·Losing its protectionSServiceM8Vertical and industry software · Australia·Protection under testSServiceMaxVertical and industry software · United States·Defensible for nowSServiceNowEnterprise and productivity software · United States·Hard to displaceSServiceTitanVertical and industry software · United States·Defensible for nowSServiceTradeVertical and industry software · United States·Protection under testSServo7YC Winter 2026 · Netherlands·Losing its protectionSSES S.A.Space, defense and state enterprises · Luxembourg·Losing its protectionSSeven & I Holdings (7-Eleven)Retail and consumer conglomerates · Japan·Hard to displaceSSeven West Media LimitedBroadcast and traditional media · Australia·Protection under testSSevenRoomsVertical and industry software · United States·Defensible for nowSSEW-EurodriveRobotics and industrial automation · Germany·Hard to displaceSSeynaInsurance technology companies · France·Protection under testSSézaneConsumer brands · France·Defensible for nowSSezzlePayments companies · United States·Losing its protectionSSF Holding (SF Express)Logistics and supply chain companies · China·Defensible for nowSSF TensorYC Fall 2025 · United States·Protection under testSSF Tensor CompanyYC Fall 2025 · United States·Losing its protectionSSFR (Altice France)Telecom infrastructure · France·Little protection leftSSG Holdings (Sagawa Express)Logistics and supply chain companies · Japan·Hard to displaceSSGA SolutionsCybersecurity companies · Unknown·Losing its protectionSSGS SABiotech tools companies · Switzerland·Hard to displaceSShadowfaxLogistics and supply chain companies · India·Losing its protectionSShakepayCrypto and digital asset companies · Canada·Losing its protectionSShanda GamesGaming companies · China·Defensible for nowSShandong AirlinesRail and transport infrastructure · China·Losing its protectionSShandong Ruyi Technology Group Co., Ltd.Consumer brands · China·Little protection leftSShanghai AirlinesRail and transport infrastructure · China·Hard to displaceSShanghai Brilliance Credit RatingFinancial data and information services · China·Losing its protectionSShanghai Jahwa United Co., Ltd.Consumer brands · China·Losing its protectionSShanghai Jiao Tong UniversityUniversities and education institutions · China·Defensible for nowSShanghai Pharmaceuticals HoldingPharma and healthcare groups · China·Defensible for nowSShanghai Pudong Development BankInsurance companies · China·Hard to displaceSShangri-La Hotels and ResortsRail and transport infrastructure · Hong Kong·Defensible for nowSShangzhaitong Holding Co.,LtdChina·Little protection leftSShapoorji Pallonji GroupReal estate developers · India·Losing its protectionSShardul Amarchand Mangaldas & CoAdvertising and professional services · India·Hard to displaceSSHAREBOTChina · China·Little protection leftSSharecareMedical technology and health companies · United States·Protection under testSShareChatCreator economy and media tech · India·Losing its protectionSShareCRMChina · China·Losing its protectionSSharesiesBanks and financial groups · New Zealand·Defensible for nowSSharewow LimitedChina·Little protection leftSSharkNinjaRetail and consumer conglomerates · Canada·Hard to displaceSSharp CorporationSemiconductor companies · Japan·Losing its protectionSShaw AcademyEducation companies · Ireland·Little protection leftSShein GroupE-commerce and marketplaces · China·Losing its protectionSShell plcManufacturing companies · United Kingdom·Hard to displaceSSheMedUnited Kingdom · United Kingdom·Losing its protectionSShenandoah Telecommunications (Shentel)Telecom infrastructure · United States·Losing its protectionSSheng Siong GroupRetail and consumer conglomerates · Singapore·Hard to displaceSShenzhen AirlinesRail and transport infrastructure · China·Hard to displaceSShepherdYC Summer 2026 · United States·Losing its protectionSSherpaYC Spring 2026 · United States·Protection under testSSherwin-WilliamsManufacturing companies · United States·Hard to displaceSSHI InternationalIT services and system integrators · United States·Defensible for nowSShibaura Machine (Toshiba Machine)Robotics and industrial automation · Japan·Losing its protectionSShield AIAI companies and labs · United States·Defensible for nowSShieldedYC Summer 2026 · United States·Protection under testSShiftFrance · France·Losing its protectionSShift TechnologyInsurance technology companies · France·Protection under testSShiftKeyJob boards and HR platforms · United States·Losing its protectionSShiji GroupVertical and industry software · China·Protection under testSShiksha.comEducation companies · India·Losing its protectionSShimadzu CorporationBiotech tools companies · Japan·Hard to displaceSShimamura Co., Ltd.Consumer brands · Japan·Hard to displaceSShimano Inc.Manufacturing companies · Japan·Hard to displaceSShimao Group HoldingsReal estate developers · China·Little protection leftSShimizu CorporationReal estate developers · Japan·Hard to displaceSShin & KimAdvertising and professional services · South Korea·Hard to displaceSShin-Etsu ChemicalSemiconductor companies · Japan·Hard to displaceSShine.comJob boards and HR platforms · India·Little protection leftSShinhan Financial GroupBanks and financial groups · South Korea·Hard to displaceSShinsegaeRetail and consumer conglomerates · South Korea·Defensible for nowSShinsegae InternationalConsumer brands · South Korea·Losing its protectionSShionogi & Co.Pharma and healthcare groups · Japan·Hard to displaceSShipBobLogistics and supply chain companies · United States·Losing its protectionSShippeoLogistics and supply chain companies · France·Losing its protectionSShippoLogistics and supply chain companies · United States·Protection under testSShiprocketLogistics and supply chain companies · India·Losing its protectionSShipsyLogistics and supply chain companies · India·Losing its protectionSShipwellLogistics and supply chain companies · United States·Losing its protectionSShiruFood tech and alternative protein · United States·Losing its protectionSShiseidoConsumer brands · Japan·Protection under testSShiseido CompanyRetail and consumer conglomerates · Japan·Losing its protectionSSHLJob boards and HR platforms · United Kingdom·Protection under testSShoals Technologies GroupIndustrial materials and energy · United States·Losing its protectionSShochiku Co., Ltd.Broadcast and traditional media · Japan·Hard to displaceSShofoYC Winter 2026 · United States·Losing its protectionSShogakukan Inc.Broadcast and traditional media · Japan·Hard to displaceSShook Lin & BokAdvertising and professional services · Singapore·Hard to displaceSShopBackConsumer platforms · Singapore·Losing its protectionSShopee (Sea Limited)Consumer platforms · Singapore·Protection under testSShopifyPayments companies · Canada·Hard to displaceSShopMyCreator economy and media tech · United States·Losing its protectionSShopwareE-commerce and marketplaces · Germany·Defensible for nowSShortcut SoftwareEnterprise and productivity software · United States·Protection under testSshortkitYC Winter 2026 · United States·Losing its protectionSshotwell.aiYC Spring 2026 · United States·Losing its protectionSShowcase GigVertical and industry software · India·Defensible for nowSShowMojoVertical and industry software · United States·Losing its protectionSShowpadConsumer internet and adtech companies · Belgium·Losing its protectionSShowroomprivéE-commerce and marketplaces · France·Little protection leftSShriram FinanceBanks and financial groups · India·Hard to displaceSShueisha Inc.Broadcast and traditional media · Japan·Hard to displaceSShufti ProAccounting, tax and business software · Pakistan·Losing its protectionSShui On LandReal estate developers · China·Losing its protectionSShukun TechnologyChina · China·Losing its protectionSShulan HealthChina · China·Protection under testSShutterstockCreator economy and media tech · United States·Protection under testSSiam Cement Group (SCG)Manufacturing companies · Thailand·Defensible for nowSSiam Commercial BankBanks and financial groups · Thailand·Defensible for nowSSiasun Robot & AutomationRobotics and industrial automation · China·Losing its protectionSSibo Holding LimitedHong Kong·Little protection leftSSiCepat EkspresLogistics and supply chain companies · Indonesia·Little protection leftSSichuan AirlinesRail and transport infrastructure · China·Hard to displaceSSICK AGRobotics and industrial automation · Germany·Protection under testSSideUnited States · United States·Losing its protectionSSidecar HealthInsurance technology companies · United States·Losing its protectionSSideFXDesign and creative software · Canada·Hard to displaceSSidekickYC Summer 2026 · United States·Losing its protectionSSidley AustinAdvertising and professional services · United States·Hard to displaceSSiemens AGManufacturing companies · Germany·Hard to displaceSSiemens Digital Industries SoftwareDesign and creative software · Germany·Hard to displaceSSiemens EnergyIndustrial materials and energy · Germany·Hard to displaceSSiemens GamesaIndustrial materials and energy · Spain·Losing its protectionSSiemens HealthineersMedical technology and health companies · Germany·Hard to displaceSSierraBPO and customer operations firms · United States·Losing its protectionSSierra Nevada CorporationSpace, defense and state enterprises · United States·Hard to displaceSSierra SpaceSpace, defense and state enterprises · United States·Losing its protectionSSiFiveSemiconductor companies · United States·Protection under testSSiftPayments companies · United States·Losing its protectionSSify TechnologiesTelecom operators · India·Losing its protectionSSigma ComputingData and analytics companies · United States·Protection under testSSigma ConnectedStaffing and recruitment firms · United States·Losing its protectionSSigma HealthcarePharma and healthcare groups · Australia·Hard to displaceSSigma Software GroupIT services and system integrators · Ukraine·Losing its protectionSSignal FoundationConsumer platforms · United States·Protection under testSSignalsYC Winter 2026 · United States·Protection under testSSignature ConsultantsStaffing and recruitment firms · United States·Losing its protectionSSignet Jewelers LimitedConsumer brands · United Kingdom·Losing its protectionSSigniantDesign and creative software · Canada·Defensible for nowSSignifydPayments companies · United States·Protection under testSSigNozTelecom operators · India·Losing its protectionSSignzyAI companies and labs · India·Losing its protectionSSii Group PolandIT services and system integrators · Poland·Losing its protectionSSilaYC Winter 2026 · United States·Losing its protectionSSilan MicroelectronicsSemiconductor companies · China·Losing its protectionSSilent EightAccounting, tax and business software · Poland·Losing its protectionSSilentium Ltd.Israel·Losing its protectionSSilicon LabsSemiconductor companies · United States·Losing its protectionSSilicon Motion TechnologySemiconductor companies · Taiwan·Defensible for nowSSilmarilYC Spring 2026 · United States·Losing its protectionSSiloam Hospitals GroupPharma and healthcare groups · Indonesia·Hard to displaceSSiltronicSemiconductor companies · Germany·Losing its protectionSSilverfortCybersecurity companies · Israel·Hard to displaceSSilverlake AxisIT services and system integrators · Malaysia·Losing its protectionSSIM Global EducationUniversities and education institutions · Singapore·Hard to displaceSSime Darby PlantationFood tech and alternative protein · Malaysia·Hard to displaceSSimilarwebFinancial data and information services · Israel·Losing its protectionSSimon & Schuster, LLCBroadcast and traditional media · United States·Hard to displaceSSimon Property GroupReal estate developers · United States·Hard to displaceSSimplecastCreator economy and media tech · Canada·Little protection leftSSimpleclubEducation companies · Germany·Losing its protectionSSimpleshowDesign and creative software · Germany·Protection under testSSimplexCrypto and digital asset companies · Israel·Losing its protectionSSimplilearnEducation companies · India·Little protection leftSSimplrBPO and customer operations firms · United States·Little protection leftSSimplyIsrael · Israel·Losing its protectionSSimply BusinessInsurance technology companies · United Kingdom·Hard to displaceSSimply Wall StFinancial data and information services · Australia·Losing its protectionSSimplyHiredJob boards and HR platforms · United States·Little protection leftSSimpplrEnterprise and productivity software · United States·Losing its protectionSSimproVertical and industry software · Australia·Protection under testSSimpson GriersonAdvertising and professional services · New Zealand·Hard to displaceSSimpson Thacher & BartlettAdvertising and professional services · United States·Defensible for nowSSin Lian Seng ConstructionSingapore·Protection under testSSina CorpConsumer internet and adtech companies · China·Protection under testSSinchBPO and customer operations firms · Sweden·Losing its protectionSSinclair, Inc.Broadcast and traditional media · United States·Losing its protectionSSinfonia TechnologyRobotics and industrial automation · Japan·Hard to displaceSSingapore Airlines LimitedRail and transport infrastructure · Singapore·Hard to displaceSSingapore Management UniversityUniversities and education institutions · Singapore·Hard to displaceSSingleOpsVertical and industry software · United States·Defensible for nowSSingleStoreCloud and infrastructure providers · United States·Losing its protectionSSinglifeInsurance technology companies · Singapore·Hard to displaceSSingtelTelecom infrastructure · Singapore·Hard to displaceSSingularConsumer internet and adtech companies · Israel·Losing its protectionSSingular GenomicsBiotech tools companies · United States·Little protection leftSSino BiopharmaceuticalPharma and healthcare groups · China·Defensible for nowSSino LandReal estate developers · Hong Kong·Hard to displaceSSino-Ocean GroupReal estate developers · China·Little protection leftSSinoPac Financial HoldingsBanks and financial groups · Taiwan·Hard to displaceSSinopecOil and gas companies · China·Hard to displaceSSinopharm GroupPharma and healthcare groups · China·Defensible for nowSSinotransLogistics and supply chain companies · China·Losing its protectionSSinovac BiotechPharma and healthcare groups · China·Losing its protectionSSiPearlSemiconductor companies · France·Losing its protectionSSirionLabsAccounting, tax and business software · India·Defensible for nowSSirius Computer SolutionsIT services and system integrators · United States·Losing its protectionSSirius XM HoldingsBroadcast and traditional media · United States·Protection under testSSIS LimitedStaffing and recruitment firms · India·Defensible for nowSSISA Information SecurityCybersecurity companies · India·Protection under testSSisenseData and analytics companies · United States·Protection under testSSite24x7Telecom operators · India·Defensible for nowSSITECH DEVChina · China·Little protection leftSSitefireYC Winter 2026 · Germany·Little protection leftSSiteGroundTelecom operators · Bulgaria·Losing its protectionSSitelineVertical and industry software · United States·Losing its protectionSSiteMinderVertical and industry software · Australia·Defensible for nowSSiTime CorporationSemiconductor companies · United States·Defensible for nowSSixt SERail and transport infrastructure · Germany·Hard to displaceSSK BiopharmaceuticalsPharma and healthcare groups · South Korea·Defensible for nowSSK bioscienceBiotech tools companies · South Korea·Defensible for nowSSK C&CIT services and system integrators · South Korea·Losing its protectionSSK C&CData and analytics companies · South Korea·Losing its protectionSSK HynixManufacturing companies · South Korea·Defensible for nowSSK OnIndustrial materials and energy · South Korea·Losing its protectionSSK ShieldusCybersecurity companies · South Korea·Defensible for nowSSK TelecomTelecom infrastructure · South Korea·Defensible for nowSSkadden, Arps, Slate, Meagher & FlomAdvertising and professional services · United States·Defensible for nowSSkanskaReal estate developers · Sweden·Hard to displaceSSkechersConsumer brands · United States·Defensible for nowSSkeduloVertical and industry software · Australia·Losing its protectionSSketchDesign and creative software · Netherlands·Protection under testSSketchfabDesign and creative software · France·Losing its protectionSSKF ABManufacturing companies · Sweden·Hard to displaceSSkild AIAI companies and labs · United States·Losing its protectionSSkill-LyncEducation companies · India·Little protection leftSSkillshareEducation companies · United States·Little protection leftSSkillsoftJob boards and HR platforms · United States·Little protection leftSSkillsyncYC Winter 2026 · United States·Little protection leftSSkimsConsumer brands · United States·Defensible for nowSSkit.aiBPO and customer operations firms · India·Losing its protectionSSkrineAdvertising and professional services · Malaysia·Hard to displaceSSky (MakerDAO)Crypto and digital asset companies · Switzerland·Losing its protectionSSky Acquisition GroupUnited States·Little protection leftSSky Group LimitedBroadcast and traditional media · United Kingdom·Losing its protectionSSky MavisCrypto and digital asset companies · Vietnam·Losing its protectionSSky Perfect JSAT CorporationSpace, defense and state enterprises · Japan·Hard to displaceSSkybox SecurityCybersecurity companies · United States·Little protection leftSSkydioSpace, defense and state enterprises · United States·Losing its protectionSSkyhigh SecurityCybersecurity companies · United States·Protection under testSSkylumDesign and creative software · Ukraine·Protection under test