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YC Infrastructure Companies

303 Y Combinator infrastructure startups with verified founder contacts, batch info, and company data.

303

Companies

240

Active

Acquired

Public

YC Company Directory

50 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
Arpio	W21	Recover from any outage in 10 minutes or less.	Active	Durham, NC, USA; Remote	7	Doug Neumann, Shaw Terwilliger	Reveal
Dyte	W21	Real-time audio & video SDKs, ready to launch 🚀	Acquired	Bengaluru, Karnataka, India	45	Abhishek Kankani, Palash Golecha	Reveal
Encord	W21	The data layer for physical AI	Active	London, England, United Kingdom	150	Ulrik Stig Hansen, Eric Landau	Reveal
Galaxy	W21	—	Inactive	San Francisco, CA, USA	2	Adam Neuwirth	Reveal
Mystic	W21	Low latency API to run and deploy ML models	Active	Austin, TX, USA	11	Paul Hetherington	Reveal
Mystic	W21	Low latency API to run and deploy ML models	Active	London, UK	11	Paul Hetherington	Reveal
Nimbus	W21	Nimbus reduces Datadog costs by more than 60% without Manual Effort	Inactive	Seattle, WA, USA	3	Kevin Lin	Reveal
Ollama	W21	Get up and running with large language models.	Active	San Francisco, CA, USA	—	Jeffrey Morgan, Michael Chiang	Reveal
Quicknode	W21	Tools & infra to build and scale high-quality blockchain applications.	Active	Miami, FL, USA	115	Dmitry Shklovsky, Manuel Kreutz, Alexander Nabutovsky	Reveal
Quicknode	W21	Tools & infra to build and scale high-quality blockchain applications.	Active	Miami, FL, USA	115	Dmitry Shklovsky, Auston Bunsen, Manuel Kreutz, Alexander Nabutovsky	Reveal
SigNoz	W21	Open source alternative to DataDog	Active	San Francisco, CA, USA; Remote	38	Pranay Prateek, Ankit Nayan	Reveal
SST	W21	For whatever you build.	Active	Toronto, ON, Canada	8	Jay V, Frank Wang	Reveal
Svix	W21	Enterprise ready webhooks service, open-source and in the cloud	Active	San Francisco, CA, USA	12	Tom Hacohen	Reveal
Svix	W21	Enterprise ready webhooks service, open-source and in the cloud	Active	San Francisco, CA, USA	12	Tom Hacohen	Reveal
True3D	W21	Building the next generation of visual media	Active	New York City, NY, USA	5	Daniel Habib	Reveal
Aden	W20	Open source agent generation framework	Active	San Francisco, CA, USA	5	Vincent Jiang, Timothy Zhang	Reveal
Ardis AI	W20	Transform your text data into a searchable knowledge graph	Inactive	Mountain View, CA, USA	3	Julie Lewis, Kyle Lewis, Brandon Whang	Reveal
BuildBuddy	W20	BuildBuddy provides enterprise features for Bazel — the open source…	Active	Palo Alto, CA, USA	15	Siggi Simonarson, Tyler Williams	Reveal
Cortex	W20	Cortex is the Internal Developer Portal eliminating “developer tax”…	Active	San Francisco, CA, USA; Remote	100	Ganesh Datta, Anish Dhar, Nikhil Unni	Reveal
Fly.io	W20	Run full stack apps close to your users.	Active	Chicago, IL, USA; Remote	48	Michael Dwan, Jerome Gravel-Niquet	Reveal
MindsDB	W20	Connect, Unify, Respond to any data, anywhere with human-level…	Active	San Francisco, CA, USA	41	Adam Carrigan, Jorge Torres	Reveal
MindsDB	W20	Connect, Unify, Respond to any data, anywhere with human-level…	Active	San Francisco, CA, USA	41	Adam Carrigan, Jorge Torres	Reveal
Recall.ai	W20	The API to get recordings, transcripts, and metadata from meetings	Active	San Francisco, CA, USA	30	David Gu, Amanda Zhu	Reveal
Replicate	W20	Run machine learning models in the cloud	Acquired	San Francisco, CA, USA	36	Ben Firshman, Andreas Jansson	Reveal
Signadot	W20	Scalable validation infrastructure for AI agents	Active	San Francisco, CA, USA; Remote	8	Arjun Iyer, Anirudh Ramanathan	Reveal
Signadot	W20	Shift Left Testing for Microservices	Active	San Mateo, CA, USA	8	Arjun Iyer, Anirudh Ramanathan	Reveal
Termii	W20	Termii is helps businesses communicate with customers globally.	Active	Lagos, Nigeria	46	EMMANUEL GBOLADE, Ayomide Awe	Reveal
Sunpia	S22	Deploy serverless without rewriting code	Active	San Francisco, CA, USA; Remote	3	Alan Pham, Ivy Pham, Vikranth Srivatsa	Reveal
Windmill	S22	Open-source platform to turn scripts into internal apps & workflows	Active	Paris, France	10	Ruben Fiszel	Reveal
Artillery	S21	The complete production quality platform. AI-powered E2E testing,…	Active	Limerick, Ireland	5	Hassy Veldstra	Reveal
Artillery	S21	The complete production quality platform. AI-powered E2E testing,…	Active	Limerick, County Limerick, Ireland; Remote	5	Hassy Veldstra	Reveal
Palenca	S21	Payroll API for LatAm	Active	São Paulo, State of São Paulo, Brazil	25	José Carlos Aguilar, Antoine Nguyen Hong Duc	Reveal
Pipekit	S21	Pipekit scales data & CI pipelines for enterprises	Active	—	9	Caelan Urquhart, J.P. Zivalich	Reveal
Pylon	S21	Infrastructure management software for water & electricity companies	Active	Cairo, Cairo Governorate, Egypt	72	Ahmed Ashour, Omar Radi	Reveal
Rootly	S21	AI-native on-call and incident response carefully crafted to help…	Active	San Francisco, CA, USA; Remote	75	Quentin Rousseau, JJ Tang	Reveal
Satsuma	S21	Reliable blockchain indexing & querying for web3 engineering teams.	Acquired	San Francisco, CA, USA	5	Jonathan Kau, Dan Li	Reveal
Satsuma	S21	Reliable blockchain indexing & querying for web3 engineering teams.	Acquired	San Francisco, CA, USA; Remote	5	Jonathan Kau, Dan Li	Reveal
Aquarium Learning	S20	We help ML teams improve their models by improving their datasets	Acquired	San Francisco, CA, USA	12	Peter Gao, Quinn Johnson	Reveal
Atomized	S20	Enabling teams to deploy without needing a cloud expert	Inactive	Charlotte, NC, USA; Remote	3	Nik Kotov	Reveal
Metamanagement	S20	We help SaaS companies deploy into their customer's environment.	Inactive	San Francisco, CA, USA	1	Nikhil Bhargava	Reveal
Mozart Data	S20	The easiest way to set up a modern data stack	Active	San Francisco, CA, USA	24	Peter Fishman, Dan Silberman	Reveal
Mozart Data	S20	The easiest way to set up a modern data stack	Active	San Francisco, CA, USA	24	Peter Fishman, Dan Silberman	Reveal
Nestybox	S20	Enables Linux containers to act as super fast & efficient VMs	Acquired	San Jose, CA, USA	2	Cesar Talledo, Rodny Molina	Reveal
Porter	S20	Easiest way to deploy on AWS/GCP/Azure	Active	New York City, NY, USA	18	Justin Rhee, Alexander Belanger	Reveal
QuestDB	S20	High-performance time series database	Active	London, England, United Kingdom	30	Nicolas Hourcard, Tancrede Collard, Vlad Ilyushchenko	Reveal
QuestDB	S20	The fastest open source time series database	Active	London, UK	30	Nicolas Hourcard, Tancrede Collard, Vlad Ilyushchenko	Reveal
Shuttle	S20	Build Backends. Fast.	Active	London, UK	12	Nodar Daneliya	Reveal
Speedscale	S20	Accelerate development by simulating production conditions with real…	Active	Atlanta, GA, USA	8	Ken Ahrens, Matthew LeRay	Reveal
Streamdal	S20	Data Quality & Playback Platform	Inactive	Portland, OR, USA	9	Ustin Zarubin, Daniel Selans	Reveal
Supabase	S20	Build in a weekend. Scale to millions.	Active	San Francisco, CA, USA; Remote	120	Paul Copplestone, Ant Wilson	Reveal

Batch Distribution

XX2614 XX256 WW2628 WW259 WW2414 WW2316

Status Breakdown

Active240 Acquired37 Inactive26

Top Locations

San Francisco176 New York City20 London6 New York5 Seattle4 Paris4

About YC Infrastructure Companies

Y Combinator has funded 303 infrastructure companies since its founding in 2005. These startups span from early-stage pre-launch to publicly traded companies, making YC one of the most prolific backers of infrastructure innovation globally.

240 of these companies are currently active. 37 have been acquired. VCBacked tracks verified founder contact information, team sizes, and company status for every YC infrastructure startup.

Related Industries

B2B3278 Healthcare805 Fintech709 Consumer654 Engineering, Product and Design610 Industrials489 Productivity208 Real Estate and Construction184

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