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
CrowdStrikeL6 Applications & ProductsSecurityDominant
Crusoe EnergyL2 Cloud & VirtualizationGrowth
CursorL6 Applications & ProductsCode Copilots & IDEsGrowth
CyberwaveL5 Orchestration & FrameworksAI Assistant BuildersSpeculative
CyrusOneL0 Physical InfrastructureWholesale / Hyperscale LeasingDominant
d-MatrixL1 Silicon & ComputeGrowth
Darktrace Holdings LtdL6 Applications & ProductsSecurityGrowth
DatabricksL3 Data & StorageAnalytical Warehouse & LakehouseGrowth
DataikuL4 Models & TrainingGrowth
DatasaurL3 Data & StorageGrowth
DataStax, Inc.L3 Data & StorageOperational & Multi-Model DBGrowth
dbt LabsL3 Data & StorageGrowth
DecagonL6 Applications & ProductsAI Support AgentsSpeculative
Decart.AI Inc.L4 Models & TrainingSpeculative
Deep CogitoL4 Models & TrainingEnterprise LLMSpeculative
Deepgram, Inc.L4 Models & TrainingGrowth
DeepSeekL4 Models & TrainingOpen-Weight FrontierGrowth
DeltaMemoryL3 Data & StorageSpeculative
DifyL5 Orchestration & FrameworksGrowth
Digital RealtyDLRL0 Physical InfrastructureWholesale / Hyperscale LeasingDominant
DigitsL6 Applications & ProductsFinanceSpeculative
Doppel Inc.L6 Applications & ProductsSecuritySpeculative
DossL6 Applications & ProductsEnterprise Platforms & WorkflowSpeculative
DosuL6 Applications & ProductsAutonomous Coding AgentsSpeculative
Dropzone AIL6 Applications & ProductsSecuritySpeculative
Showing 101125 of 440