Together AI
Artificial Intelligence
Distributed AI inference and fine-tuning cloud platform enabling enterprises and developers to run open-source LLMs at production scale with cost-efficient decentralized GPU clusters. Raised $20M seed (2022) followed by $102.5M Series A (2023).
San Francisco, CA | 2022
Modal Labs
Artificial Intelligence
Serverless cloud compute platform purpose-built for AI and ML workloads. Enables developers to run inference, training, and batch jobs in Python with zero infrastructure management. Raised $16M seed (2022) and $67M Series B (2023).
New York, NY | 2022
Baseten
Artificial Intelligence
ML model serving infrastructure that lets teams deploy, scale, and monitor open-source and custom models in production. Trusted by leading AI labs and Fortune 500 engineering teams for latency-sensitive inference workloads. Raised $40M Series B (2023).
San Francisco, CA | 2021
Fireworks AI
Artificial Intelligence
High-performance LLM inference platform delivering sub-100ms latency on open-source models including Llama, Mistral, and Mixtral. Raised $25M seed+ (2023), building the fastest path from model weights to production API.
San Francisco, CA | 2023
PsiQuantum
Deep Technology
Photonic quantum computing company building fault-tolerant quantum computers using silicon photonics. Manufacturing at GlobalFoundries semiconductor fab. One of the world's best-funded quantum startups with over $665M raised to achieve commercially useful quantum computing.
Palo Alto, CA | 2016
Commonwealth Fusion Systems
Deep Technology
Fusion energy company developing compact tokamak reactors using high-temperature superconducting (HTS) magnets. Demonstrated the world's strongest fusion magnet in 2021. Raised over $1.8B in private capital to target commercial fusion electricity by early 2030s.
Cambridge, MA | 2018
Atom Computing
Deep Technology
Neutral atom quantum computing company building scalable qubit arrays using optically trapped atoms. Achieved 1,180 qubit array in 2023 — the largest quantum processor demonstrated at the time. Raised $60M Series B (2022).
Berkeley, CA | 2018
Neon
Developer Infrastructure
Serverless Postgres platform that separates compute and storage to enable instant branching, scale-to-zero, and per-second billing for development and production databases. Raised $30M Series A (2022) and $46M Series B (2023), serving over 400,000 developers.
San Francisco, CA | 2021
Depot
Developer Infrastructure
Remote container build service that makes Docker image builds up to 40x faster by providing dedicated high-performance build compute with persistent caching. Raised $6.1M seed (2022). Saves engineering teams hours of CI build time per day.
Remote / US | 2022
Mintlify
Developer Infrastructure
AI-powered developer documentation platform that auto-generates, updates, and deploys beautiful documentation from code. Raised $1.8M seed (2022) and $18.5M Series A (2023). Powers documentation for OpenAI, Anthropic, Cohere, and hundreds of developer-facing companies.
San Francisco, CA | 2022
Form Energy
Climate and Energy
Long-duration energy storage company developing iron-air batteries capable of 100-hour discharge cycles at projected costs of $20/kWh — ten times cheaper than lithium-ion for multi-day storage. Raised $450M Series E (2022). Commercial deployments with Georgia Power and Minnesota Power.
Somerville, MA | 2017
Heirloom Carbon
Climate and Energy
Direct air capture company using enhanced mineral weathering to remove CO2 from the atmosphere at rapidly declining cost. Raised $53M Series A (2022). Selected for the DOE's first direct air capture commercial deployment purchase and operates the first commercial DAC facility in the US.
San Jose, CA | 2020
Rondo Energy
Climate and Energy
Industrial heat battery company converting renewable electricity to high-temperature process heat for cement, steel, and chemical manufacturers. Raised $22M Series A (2022) and $60M Series B (2023). Addresses industrial heat — 25% of global CO2 emissions — with a breakthrough thermal storage system.
San Francisco, CA | 2020
CeruleanBio
Health and Biotech
AI-guided drug discovery platform targeting rare oncology indications. Five clinical-stage candidates, two in Phase II trials as of 2025.
Cambridge, MA | 2021
PrecisionPath Diagnostics
Health and Biotech
Liquid biopsy platform for early-stage cancer detection using cell-free DNA methylation patterns. 94.2% sensitivity at Stage I across five cancer types.
San Diego, CA | 2022
NeuroBridge
Health and Biotech
Non-invasive neural interface platform for motor rehabilitation in stroke patients. FDA Breakthrough Device Designation received 2024. 12 hospital system partnerships.
Minneapolis, MN | 2023
Lattice Finance
Fintech
Embedded treasury and working capital platform that gives mid-market companies CFO-grade financial visibility and real-time cash optimization.
New York, NY | 2022
CompliancePilot
Fintech
AI-powered regulatory compliance automation for asset managers. Reduces compliance staffing costs by 60% while improving reporting accuracy to 99.97%.
New York, NY | 2023
ClearSettlement
Fintech
Real-time cross-border payment settlement network for institutional foreign exchange operations. 28 financial institution clients across 14 countries.
London, UK | 2021