65 YC Aviation and Space Startups (Industrials)

65 YC companies fall under Aviation and Space, YC's Industrials subcategory, across every batch since 2005. Each row shows the one-liner, batch, HQ and status, and links to a reconstruction of the company's YC application in the real form.

Companies
65
Top locations
San Francisco, Los Angeles and Seattle
YC top companies
1
65 reconstructed applications

Read the YC application of all 65 companies

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The first 65 companies, top companies first

1
Momentus
MomentusTopThe space infrastructure services company
Summer 2018Santa Clara, CAPublic
2
Airhart Aeronautics
Airhart AeronauticsAirplanes anyone can fly
Summer 2022Los Angeles, CAActive
3
Alba Orbital
Alba OrbitalWe make satellites to image everywhere on Earth, every 15 minutes
Winter 2021Glasgow, Scotland, United KingdomActive
4
Albedo
AlbedoFull-stack VLEO satellite missions
Winter 2021Denver, COActive
5
Apolink
Apolink24/7 satellite connectivity in low Earth orbit
Fall 2024Palo Alto, CAActive
6
Ares Industries
Ares IndustriesBuilding low-cost cruise missiles
Summer 2024Los Angeles, CAActive
8
Astranis
AstranisAdvanced satellites for high orbits.
Winter 2016San Francisco, CAActive
9
Astro Mechanica
Astro MechanicaSupersonics for the new Jet Age
Winter 2024San Francisco, CAActive
10
AxionOrbital Space
AxionOrbital SpaceFoundation models for 24/7 Earth Observation
Winter 2026San Francisco, CAActive

That is 10 of 65.

Every company below has its YC application reconstructed in YC Insights. Create a free account to read them all.

Read all 65 applications
11
Bagaveev Corporation
Bagaveev CorporationLaunch small satellites
Winter 2015San Mateo, CAInactive
12
Basalt
BasaltConstellations as a Service
Winter 2024San Francisco, CAActive
15
Boom
BoomEconomically and environmentally sustainable supersonic travel
Winter 2016Centennial, COActive
17
Cascade Space
Cascade SpaceDeep space communications as a service
Spring 2025San Francisco, CAActive
18
Consus
ConsusYour single source of truth for government documents
Fall 2024San Francisco, CAActive
19
Dispatch
DispatchSatellites for manufacturing in space
Spring 2026San Francisco, CAActive
20
Elodin
ElodinUnified flight software and hardware for the mission of tomorrow
Winter 2024San Francisco, CAActive
21
Enhanced Radar
Enhanced RadarAI for air traffic control
Winter 2025San Francisco, CAActive
22
EPIC AEROSPACE
EPIC AEROSPACELast-mile delivery for satellites.
Summer 2019Buenos Aires, CABA, ArgentinaActive
24
Exosat
ExosatBuilding a neutral, sovereign alternative to Starlink
Summer 2026Singapore, SingaporeActive
26
Farcast
FarcastWe build advanced satcom user terminals
Winter 2020San Francisco, CAActive
27
Forerunner AI
Forerunner AIAI that gets aircraft flying faster
Fall 2024San Francisco, CAActive
29
General Astronautics
General AstronauticsRobotics for Space R&D
Winter 2026San Francisco, CAActive
30
General Aviation
General AviationFix ATC by connecting aircraft to the internet
Spring 2026New York City, NYActive
31
GroundControl
GroundControlVertical AI for highly-regulated manufacturing
Spring 2025San Francisco, CAActive
34
HEO Robotics
HEO RoboticsWe visually monitor space objects for governments and defense
Summer 2021Sydney, NSW, AustraliaActive
35
Hubble Network
Hubble NetworkBluetooth to Space
Winter 2022Seattle, WAActive
36
Instinct
InstinctBuilding lunar landers
Winter 2025London, United KingdomActive
37
Inversion Space
Inversion SpaceTurning space into a transportation layer for Earth
Summer 2021Los Angeles, CAActive
38
JetPack Aviation
JetPack AviationFlying motorcycles
Winter 2019Los Angeles, CAActive
39
Navier AI
Navier AIAgent-Driven Engineering
Winter 2024San Francisco, CAActive
42
Orbital Operations
Orbital OperationsHigh Thrust Space Vehicles for Satellite Defense
Winter 2025Los Angeles, CAActive
44
Passerine Aircraft
Passerine AircraftPasserine Aircraft is building the next generation of dronesWe are…
Summer 2017Johannesburg, GP, South AfricaInactive
46
Pyka
PykaAutonomous electric airplanes
Summer 2017Alameda, CAActive
48
Reditus Space
Reditus SpaceReusable Satellites for zero-g manufacturing
Winter 2025Atlanta, GAActive
50
Relativity Space
Relativity SpaceBuilding humanity’s multiplanetary future.
Winter 2016Los Angeles, CAActive
52
Skymerse
SkymerseAutopilot for Flight Operations
Summer 2026San Francisco, CAActive
53
Spaceium Inc
Spaceium IncIn-Space Refueling
Summer 2024Active
55
Starcloud
StarcloudData centers in space
Summer 2024Seattle, WAActive
57
Stralis Aircraft
Stralis AircraftEmission free hydrogen electric aircraft
Winter 2023Brisbane, QLD, AustraliaActive
59
Tesseract
TesseractTesseract builds better thrusters for modern satellites
Summer 2017Livermore, CAActive
63
Wardstone
WardstoneSatellites for Missile Defense
Fall 2025El Segundo, CAActive
64
Wright Electric
Wright ElectricBoeing for electric planes
Winter 2017Albany, NYActive
65
Wyvern
WyvernHigh-res hyperspectral pictures of Earth from space
Winter 2022Edmonton, AB, CanadaActive

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About this list

This list is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise.

Frequently Asked Questions

How many Y Combinator companies are in Aviation and Space (Industrials)?

This directory lists 65 YC companies in Aviation and Space (Industrials), out of 6,207 across every batch since 2005. The count updates when the directory is refreshed, and every one of them is on this page with a link to its public profile.

Are the YC applications on these pages real?

No. YC keeps submitted applications private. Every application linked from this list is a reconstruction: the real YC form questions, answered from the company's public data. The Company section is free on each page; the rest opens in YC Insights.

Which companies on this page are best known?

Momentus lead the table above. YC marks 1 of the 65 companies here as top companies, its own list of the highest-valued and highest-revenue alumni.

How do I use this list when applying to YC?

Pick five companies on this page whose product is closest to yours, read their reconstructed applications side by side in YC Insights, and note how each answers the same question. Then write your own answers to that standard.

Where does this data come from?

From YC's public company directory, refreshed by batch, with each company's status, industry and location as YC reports them. Round Funded adds the reconstructed application and the founder profiles; nothing private is published.

What is Round Funded?

Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.