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YC Engineering, Product and Design Companies

610 Y Combinator engineering, product and design startups with verified founder contacts, batch info, and company data.

610

Companies

480

Active

Acquired

Public

YC Company Directory

50 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
Stitch Technologies	W24	-	Inactive	London, England, United Kingdom	—	Till Kern, Yuriy Oparenko, Raj Dosanjh	Reveal
Stitch Technologies	W24	-	Inactive	London, UK	0	Till Kern, Yuriy Oparenko	Reveal
Tensorfuse	W24	Run serverless GPUs on your own cloud	Active	—	2	Samagra Sharma, Agam Jain	Reveal
Tusk	W24	AI agent that generates unit and integration tests	Acquired	San Francisco, CA, USA	4	Marcel Tan, Sohil Kshirsagar	Reveal
Aluna	S24	Data for biomedical AI	Active	San Francisco, CA, USA	3	David Chu	Reveal
camfer	S24	Building the world’s first AI mechanical engineer.	Inactive	San Francisco, CA, USA	4	Arya Bastani	Reveal
camfer	S24	Building the world’s first AI mechanical engineer.	Active	San Francisco, CA, USA	4	Arya Bastani, Keaton Elvins, Roth Vann	Reveal
Cerulion	S24	Open source operating system for robots	Active	—	2	Lakshay Sharma	Reveal
Cerulion	S24	Open source operating system for robots	Active	San Francisco, CA, USA	2	Lakshay Sharma	Reveal
Comfy Deploy	S24	ComfyUI for everyone on your team	Active	San Francisco, CA, USA	3	Nicholas Kao, Benny Kok	Reveal
Conductor	S24	Run a team of coding agents on your Mac	Active	San Francisco, CA, USA	4	Charlie Holtz, Jackson de Campos	Reveal
Coval	S24	Simulation & Evaluation that scales voice and chat AI agents	Active	San Francisco, CA, USA	10	Brooke Hopkins	Reveal
DeepSim, Inc.	S24	An AI physics simulator for AI chip design	Active	San Francisco, CA, USA	4	Connor McClellan, Alexander Gabourie, Chuck Koroglu, Cagil Koroglu	Reveal
DeepSim, Inc.	S24	An AI physics simulator for AI chip design	Active	Mountain View, CA, USA	4	Connor McClellan, Alexander Gabourie, Chuck Koroglu	Reveal
Diode Computers, Inc.	S24	Automate circuit board design using AI	Active	New York City, NY, USA	10	Davide Asnaghi, Lenny Khazan	Reveal
d_model	S24	Look inside the model	Active	San Francisco, CA, USA	20	Daniel Moon, Anish Tondwalkar	Reveal
dmodel	S24	Look inside the model	Active	—	6	Daniel Moon, Anish Tondwalkar	Reveal
Domu Technology Inc.	S24	AI Agents for collections	Active	San Francisco, CA, USA	15	Nick Diaz, Camila Zancanella	Reveal
Entangl	S24	Find & resolve issues in data center engineering & operations using AI	Active	San Francisco, CA, USA	7	Shapol M, Antanas Zilinskas	Reveal
Hamming AI	S24	Complete QA platform for voice agents	Active	Austin, TX, USA	8	Sumanyu Sharma	Reveal
Helium	S24	Self Improving Software	Active	San Francisco, CA, USA	7	Zach Witzel, Shishir Jakati, Anish Doshi	Reveal
HeroUI	S24	The UI framework for AI agents and developers to build beautiful apps.	Active	San Francisco, CA, USA	5	Junior Garcia	Reveal
Hestus, Inc.	S24	An AI-powered CAD software	Active	—	3	Sohrab Haghighat, Kevin Chu	Reveal
Hestus, Inc.	S24	An AI-powered CAD software	Active	San Francisco, CA, USA	3	Sohrab Haghighat, Kevin Chu	Reveal
Hyrex	S24	The COLD Task Framework	Active	San Francisco, CA, USA	3	Mark Dawson, Trevor Reed	Reveal
ideate.xyz	S24	ideate.xyz is an AI-powered 3D art suite on the web	Active	London, England, United Kingdom	2	Elliott Thompson	Reveal
Invaria	S24	The next generation logging and observability platform	Inactive	London, UK	3	Ben Hall, Sam Kramer, Alex Maass	Reveal
Laminar	S24	Understand why your AI agent breaks. Iterate fast to fix it.	Active	San Francisco, CA, USA	6	Robert Kim, Din Mailibay	Reveal
MagiCode	S24	A Reliable AI Frontend Engineer	Active	Stanford, CA, USA	3	Jeff He, Anirudh Sriram	Reveal
MagiCode	S24	A Reliable AI Frontend Engineer	Active	San Francisco, CA, USA	3	Jeff He, Anirudh Sriram	Reveal
Maitai	S24	Reliable, self-improving enterprise AI	Active	—	6	Christian DalSanto, Ian Hoegen	Reveal
Outerport	S24	EDA for Industrial Control Systems	Active	San Francisco, CA, USA	4	Towaki Takikawa, Allen Wang	Reveal
Pinnacle	S24	API & SDK for RCS (the next-generation of texting)	Active	San Francisco, CA, USA	2	Sean Roades, Ivan Zhang	Reveal
Polymet	S24	AI Product Designer	Active	Istanbul, Istanbul, Turkey	3	Yusuf Hilmi, Furkan Köseoğlu	Reveal
Promi	S24	Providing quick product and design feedback via digital twins	Active	San Francisco, CA, USA	2	Peter Moot, Jiaxin Lin	Reveal
Quetzal	S24	Simple, LLM-first translation and internationalization for software	Active	San Francisco, CA, USA	2	John Thompson, Brendan Agliardo	Reveal
Random Labs	S24	Random labs is building long running autonomous coding agents.	Active	San Francisco, CA, USA	—	Kiran (Random Labs), Mihir Chintawar	Reveal
ReactWise	S24	AI Co-Pilot for Chemical Process Optimization	Active	San Francisco, CA, USA	2	Alexander Pomberger, Daniel Wigh	Reveal
ReactWise	S24	AI Co-Pilot for Chemical Process Optimization	Active	London, England, United Kingdom	2	Alexander Pomberger, Daniel Wigh	Reveal
RowBoat Labs	S24	Open-source AI-assisted agent builder	Active	San Francisco, CA, USA	3	Arjun Maheswaran, Ramnique Singh	Reveal
RunLocal AI	S24	AI agent that optimizes inference for embedded compute like Jetson	Active	London, England, United Kingdom	3	Ismail Salim, Ivan Chan, Ciarán O' Rourke	Reveal
Saphira AI	S24	The Enablement Layer for Physical AI	Active	San Francisco, CA, USA	7	Akshay Chalana, Oscar Avatare	Reveal
Simplex	S24	AI agents to enroll providers with payors	Active	San Francisco, CA, USA	2	Shreya Karpoor, Marco Nocito	Reveal
Spur	S24	Spur is your AI QA Engineer. Test your websites with natural language.	Active	New York City, NY, USA	8	Sneha Sivakumar, Anushka Nijhawan	Reveal
Spur	S24	Spur is your AI QA Engineer. Test your websites with natural language.	Active	San Francisco, CA, USA	8	Sneha Sivakumar, Anushka Nijhawan	Reveal
Storia AI	S24	Open source AI copilot that knows your company's code and its context	Active	San Francisco, CA, USA	2	Julia Turc	Reveal
The Synthesis Company	S24	100x faster scientific evidence synthesis	Active	San Francisco, CA, USA	3	Cyrus Nouroozi, Amir Mehr	Reveal
Unsloth AI	S24	Open-Source Reinforcement Learning (RL) & Fine-tuning for LLMs.	Active	San Francisco, CA, USA	8	Daniel Han, Michael Han	Reveal
Vibe	S24	Making everyone a software engineer	Active	San Francisco, CA, USA	2	Ray Morgan, Katia Bazzi	Reveal
Void	S24	The open source Cursor alternative	Active	San Francisco, CA, USA	2	Andrew Pareles, Mathew Pareles	Reveal

Batch Distribution

XX2615 XX2515 WW2624 WW2528 WW2457 WW2353

Status Breakdown

Active480 Acquired73 Inactive56 Public1

Top Locations

San Francisco342 New York City36 London20 New York20 Los Angeles13 Austin8

About YC Engineering, Product and Design Companies

Y Combinator has funded 610 engineering, product and design 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 engineering, product and design innovation globally.

480 of these companies are currently active. 73 have been acquired. 1 have gone public. VCBacked tracks verified founder contact information, team sizes, and company status for every YC engineering, product and design startup.

Related Industries

B2B3278 Healthcare805 Fintech709 Consumer654 Industrials489 Infrastructure303 Productivity208 Real Estate and Construction184

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