
Rescale
What they do:
High Performance Computing Built for the Cloud
Quick facts:
HQ: San Francisco, CA, United States
This list has 123 startups and was last updated on Oct 15, 2026. Biggest hubs: San Francisco (91), New York (13), and London (3). Largest teams: Rescale, InfluxData, and Apollo.

What they do:
High Performance Computing Built for the Cloud
Quick facts:
HQ: San Francisco, CA, United States

What they do:
The platform for building and operating time series applications.
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HQ: New York, NY, United States

What they do:
Apollo helps engineering teams accelerate delivery
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HQ: San Francisco, CA, United States

What they do:
API-first stock and crypto brokerage platform
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HQ: San Francisco, CA, United States

What they do:
The data layer for physical AI
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HQ: London, United Kingdom

What they do:
Powers OTT online video providers with video developer tools.
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HQ: San Francisco, CA, United States

What they do:
Customer data collection, safeguarding, & activation for healthcare
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HQ: San Francisco, CA, United States

What they do:
Tools & infra to build and scale high-quality blockchain applications.
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HQ: Miami, FL, United States

What they do:
Identity Verification API for Emerging Markets
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What they do:
AI-native on-call and incident response carefully crafted to help…
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HQ: San Francisco, CA, United States

What they do:
Building the human layer of AI
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HQ: San Francisco, CA, United States

What they do:
Energy Orchestration Platform
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What they do:
The best way to build Voice AI apps
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HQ: New York, NY, United States

What they do:
The enterprise platform for AI phone calls
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HQ: San Francisco, CA, United States

What they do:
AI-based full stack observability platform
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HQ: San Francisco, CA, United States

What they do:
Real-world training data for frontier AI labs and robotics.
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HQ: San Francisco, CA, United States

What they do:
Open source alternative to DataDog
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HQ: San Francisco, CA, United States

What they do:
AI Document Fraud Detection for Banks, Credit Unions & Lenders
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HQ: San Francisco, CA, United States

What they do:
Agentic User Research Infrastructure
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HQ: New York, NY, United States

What they do:
AI Time Platform for Law Firms
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HQ: New York, NY, United States

What they do:
The multimodal data lab
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HQ: San Francisco, CA, United States

What they do:
Accelerate Medication Access with AI
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HQ: San Francisco, CA, United States

What they do:
Cloud Development Environments with one click
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HQ: San Francisco, CA, United States

What they do:
The API to get recordings, transcripts, and metadata from meetings
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HQ: San Francisco, CA, United States

What they do:
Applied research lab curating data solutions for foundation model…
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HQ: San Francisco, CA, United States

What they do:
SpruceID lets users control their data across the web.
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HQ: New York, NY, United States

What they do:
AI CAD Software for Civil Engineering
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HQ: San Francisco, CA, United States

What they do:
Agentic AI for Society Builders
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What they do:
Self-driving observability, evals, and gateway for AI agents
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HQ: San Francisco, CA, United States

What they do:
Find & resolve issues in data center engineering & operations using AI
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HQ: San Francisco, CA, United States

What they do:
Production-grade unstructured document extraction
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HQ: San Francisco, CA, United States

What they do:
Self-hosted data lakehouse platform
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HQ: San Francisco, CA, United States

What they do:
Voice AI to enable India's next billion
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What they do:
Software that streams data from databases to warehouses in real-time
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HQ: San Francisco, CA, United States

What they do:
Easiest way to deploy on AWS/GCP/Azure
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HQ: New York, NY, United States

What they do:
Building the AI data engine for any modality and scale
Quick facts:
HQ: San Francisco, CA, United States
There are 123 startups on this list, last updated on Oct 15, 2026.
By team size: Rescale (250 employees), InfluxData (210 employees), and Apollo (200 employees).
The biggest hubs are San Francisco (91), New York (13), and London (3).