The AI Stack
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The directory

Companies

Every company building a layer of the AI stack — searchable, filterable, and cross-referenced against investors and roles.

440Tracked
CompanyLayerPrimary patternStage
SambaNova SystemsL1 Silicon & ComputeGrowth
Samsung Foundry005930.KSL1 Silicon & ComputeGrowth
SanaL6 Applications & ProductsEnterprise Search & KnowledgeSpeculative
Sarvam AIL4 Models & TrainingRegional / EmergingSpeculative
SaykaraL6 Applications & ProductsHealthcareSpeculative
Scale AIL3 Data & StorageGrowth
Schneider Electric SESUL0 Physical InfrastructureDominant
ScrapeGraphAIL3 Data & StorageSpeculative
Seek AIL6 Applications & ProductsData AnalyticsSpeculative
Semantic KernelMSFTL5 Orchestration & FrameworksSingle-Agent SDKsGrowth
ServalL6 Applications & ProductsAutonomous Coding AgentsSpeculative
ServiceNow AI AgentsNOWL6 Applications & ProductsAI Support AgentsGrowth
ShapedL3 Data & StorageSpeculative
Shield AIL6 Applications & ProductsGrowth
SierraL6 Applications & ProductsAI Support AgentsGrowth
Sigma ComputingL6 Applications & ProductsData AnalyticsGrowth
SingleStoreL3 Data & StorageOperational & Multi-Model DBGrowth
SK Hynix000660.KSL1 Silicon & ComputeDominant
Skild AIL4 Models & TrainingSpeculative
Smallest AIL4 Models & TrainingSpeculative
SmolagentsL5 Orchestration & FrameworksSingle-Agent SDKsSpeculative
Snorkel AIL3 Data & StorageGrowth
SnowflakeSNOWL3 Data & StorageAnalytical Warehouse & LakehouseDominant
SoftgenL6 Applications & ProductsVibe CodingSpeculative
SourcegraphL6 Applications & ProductsDev InfrastructureGrowth
Showing 351375 of 440