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Get in touch with your favorite YC companies and founders

^*YCRM is not affiliated with Y Combinator

Companies

A list of all YC companies and their contact information.

Name	About	Emails
Constellation Space Winter 2026	AI for space mission assurance.	Sign-In An account is required to download data from YCRM. Almost There! YCRM requires a one-time $30 payment to get access. What You Get Unlimited downloads for 30 days 5000+ YC founders' email, LinkedIn, and Twitter Access to the latest YC batches Access to all CRM data enhancements Get Access View Sample Payment Successful Congrats! You now have unlimited access to the YCRM database for 30 days. If you have any questions or run into issues, please don't hesitate to reach out. We are here to help.
AxionOrbital Space Winter 2026	Foundation models for 24/7 Earth Observation	Sign-In An account is required to download data from YCRM. Almost There! YCRM requires a one-time $30 payment to get access. What You Get Unlimited downloads for 30 days 5000+ YC founders' email, LinkedIn, and Twitter Access to the latest YC batches Access to all CRM data enhancements Get Access View Sample Payment Successful Congrats! You now have unlimited access to the YCRM database for 30 days. If you have any questions or run into issues, please don't hesitate to reach out. We are here to help.
Zephyr Fusion Fall 2025	Powering tomorrow's industrial revolution in space	Sign-In An account is required to download data from YCRM. Almost There! YCRM requires a one-time $30 payment to get access. What You Get Unlimited downloads for 30 days 5000+ YC founders' email, LinkedIn, and Twitter Access to the latest YC batches Access to all CRM data enhancements Get Access View Sample Payment Successful Congrats! You now have unlimited access to the YCRM database for 30 days. If you have any questions or run into issues, please don't hesitate to reach out. We are here to help.
Starcloud Summer 2024	Data centers in space	Sign-In An account is required to download data from YCRM. Almost There! YCRM requires a one-time $30 payment to get access. What You Get Unlimited downloads for 30 days 5000+ YC founders' email, LinkedIn, and Twitter Access to the latest YC batches Access to all CRM data enhancements Get Access View Sample Payment Successful Congrats! You now have unlimited access to the YCRM database for 30 days. If you have any questions or run into issues, please don't hesitate to reach out. We are here to help.
Elodin Winter 2024	Unified flight software and hardware for the mission of tomorrow	Sign-In An account is required to download data from YCRM. Almost There! YCRM requires a one-time $30 payment to get access. What You Get Unlimited downloads for 30 days 5000+ YC founders' email, LinkedIn, and Twitter Access to the latest YC batches Access to all CRM data enhancements Get Access View Sample Payment Successful Congrats! You now have unlimited access to the YCRM database for 30 days. If you have any questions or run into issues, please don't hesitate to reach out. We are here to help.
Orbio Earth Summer 2023	Tracking methane emissions with satellites	Sign-In An account is required to download data from YCRM. Almost There! YCRM requires a one-time $30 payment to get access. What You Get Unlimited downloads for 30 days 5000+ YC founders' email, LinkedIn, and Twitter Access to the latest YC batches Access to all CRM data enhancements Get Access View Sample Payment Successful Congrats! You now have unlimited access to the YCRM database for 30 days. If you have any questions or run into issues, please don't hesitate to reach out. We are here to help.
Radical Winter 2023	Building persistent, high-performance infrastructure in the sky	Sign-In An account is required to download data from YCRM. Almost There! YCRM requires a one-time $30 payment to get access. What You Get Unlimited downloads for 30 days 5000+ YC founders' email, LinkedIn, and Twitter Access to the latest YC batches Access to all CRM data enhancements Get Access View Sample Payment Successful Congrats! You now have unlimited access to the YCRM database for 30 days. If you have any questions or run into issues, please don't hesitate to reach out. We are here to help.
Quindar Summer 2022	The platform to monitor and automate satellite operations	Sign-In An account is required to download data from YCRM. Almost There! YCRM requires a one-time $30 payment to get access. What You Get Unlimited downloads for 30 days 5000+ YC founders' email, LinkedIn, and Twitter Access to the latest YC batches Access to all CRM data enhancements Get Access View Sample Payment Successful Congrats! You now have unlimited access to the YCRM database for 30 days. If you have any questions or run into issues, please don't hesitate to reach out. We are here to help.
Array Labs Summer 2022	We're building satellites to create a real-time 3D map of the world.	Sign-In An account is required to download data from YCRM. Almost There! YCRM requires a one-time $30 payment to get access. What You Get Unlimited downloads for 30 days 5000+ YC founders' email, LinkedIn, and Twitter Access to the latest YC batches Access to all CRM data enhancements Get Access View Sample Payment Successful Congrats! You now have unlimited access to the YCRM database for 30 days. If you have any questions or run into issues, please don't hesitate to reach out. We are here to help.
Hubble Network Winter 2022	Bluetooth to Space	Sign-In An account is required to download data from YCRM. Almost There! YCRM requires a one-time $30 payment to get access. What You Get Unlimited downloads for 30 days 5000+ YC founders' email, LinkedIn, and Twitter Access to the latest YC batches Access to all CRM data enhancements Get Access View Sample Payment Successful Congrats! You now have unlimited access to the YCRM database for 30 days. If you have any questions or run into issues, please don't hesitate to reach out. We are here to help.

Data updated on 1/18/2026