International Astronautical Congress 2026: 340 exhibitors & sponsors
International Astronautical Congress 2026 had 340 exhibitors and sponsors in Antalya, Turkey from 37 countries. Aerospace & Defense is the biggest block on the floor at 55% of the companies we matched, ahead of hardware, semiconductors & iot and telecom & connectivity. 62 of them were also at International Astronautical Congress 2025; 154 from that list didn’t come back.
- 340
- exhibitors & sponsors as of 5 Nov 2026
- 37
- headquarters countries most from United States
- 29%
- of International Astronautical Congress 2025's exhibitors are back 62 companies
- 6,000
- expected visitors organiser’s figure
The show floor, by sector
Each square is a company we matched to a profile, grouped by its main sector. Aerospace & Defense makes up 55% of International Astronautical Congress 2026; the gray block is the other 36 sectors combined.
- Aerospace & Defense 99 · 55%
- Hardware, Semiconductors & IoT 6 · 3.3%
- Telecom & Connectivity 6 · 3.3%
- Publishing & News 5 · 2.8%
- Aviation & Aerospace Services 4 · 2.2%
- Engineering & Technical Services 4 · 2.2%
- Everything else 57 · 31%
Each square is one company.
Who exhibits at International Astronautical Congress
Company size and headquarters for the 196 exhibitors we matched. A mid-market floor: 46% have 51–1,000 employees.
62 came back from 2025
Comparing International Astronautical Congress 2026’s list with International Astronautical Congress 2025. For organisers, the companies that didn’t return are the warmest list there is — they already know the show.
Space Machines CompanyAerospace & Defense · 11–50 staff · Australia
Southern LaunchAerospace & Defense · 11–50 staff · Australia
Bradford SpaceAerospace & Defense · 51–200 staff · Netherlands
Neumann SpaceAerospace & Defense · 11–50 staff · Australia
Silentium DefenceAerospace & Defense · 51–200 staff · Australia
Inovor TechnologiesAerospace & Defense · 51–200 staff · Australia
Alpha ImpulsionAerospace & Defense · 11–50 staff · France
IHI AerospaceAerospace & Defense · 501–1,000 staff · Japan
AselsanAerospace & Defense · 10,001+ staff · Türkiye
ROKETSANAerospace & Defense · 5,001–10,000 staff · Türkiye
AirbusAerospace & Defense · 10,001+ staff · France
ST EngineeringAerospace & Defense · 10,001+ staff · Singapore
AzercosmosAerospace & Defense · 51–200 staff · Azerbaijan
Türksat Uydu Haberleşme Kablo TV ve İşletme A.Ş.Telecom & Connectivity · 1,001–5,000 staff · Türkiye
GomSpaceAerospace & Defense · 201–500 staff · Denmark
HENSOLDTAerospace & Defense · 5,001–10,000 staff · Germany
International Astronautical Congress 2026 exhibitor list
The first 25 of 340: sponsors and exhibitors from the show’s core sectors first. The full list adds every company, its website, and the people to contact.
| Company | Industry | Size | HQ | Role |
|---|---|---|---|---|
Aselsan aselsan.com | Aerospace & Defense | 10,001+ | Türkiye | Sponsor |
ROKETSAN roketsan.com.tr | Aerospace & Defense | 5,001–10,000 | Türkiye | Sponsor |
Airbus airbus.com | Aerospace & Defense | 10,001+ | France | Sponsor |
Thales Alenia Space thalesaleniaspace.com | Aerospace & Defense | 5,001–10,000 | France | Sponsor |
BAE Systems baesystems.com | Aerospace & Defense | 10,001+ | United Kingdom | Sponsor |
Blue Origin blueorigin.com | Aerospace & Defense | 10,001+ | United States | Sponsor |
ST Engineering stengg.com | Aerospace & Defense | 10,001+ | Singapore | Sponsor |
AIAA | Aerospace & Defense | 51–200 | United States | Sponsor |
Azercosmos azercosmos.az | Aerospace & Defense | 51–200 | Azerbaijan | Sponsor |
Türksat Uydu Haberleşme Kablo TV ve İşletme A.Ş. turksat.com.tr | Telecom & Connectivity | 1,001–5,000 | Türkiye | Sponsor |
Open Cosmos open-cosmos.com | Aerospace & Defense | 201–500 | United Kingdom | Sponsor |
GomSpace gomspace.com | Aerospace & Defense | 201–500 | Denmark | Sponsor |
JAXA: Japan Aerospace Exploration Agency global.jaxa.jp | Aerospace & Defense | 1,001–5,000 | Japan | Sponsor |
UK Space Agency gov.uk | Aerospace & Defense | 201–500 | United Kingdom | Exhibitor |
HENSOLDT hensoldt.net | Aerospace & Defense | 5,001–10,000 | Germany | Exhibitor |
AVIO avio.com | Aerospace & Defense | 1,001–5,000 | Italy | Exhibitor |
Beyond Gravity beyondgravity.com | Aerospace & Defense | 1,001–5,000 | Switzerland | Exhibitor |
Astroscale astroscale.com | Aerospace & Defense | 501–1,000 | Japan | Exhibitor |
OHB SE ohb.de | Aerospace & Defense | 1,001–5,000 | Germany | Exhibitor |
PROFEN profen.com | Telecom & Connectivity | 201–500 | Türkiye | Exhibitor |
ARGOTEC argotecgroup.com | Aerospace & Defense | 51–200 | Italy | Exhibitor |
UAE Space Agency space.gov.ae | Aerospace & Defense | 51–200 | United Arab Emirates | Exhibitor |
NLR - Netherlands Aerospace Centre nlr.org | Aerospace & Defense | 501–1,000 | Netherlands | Exhibitor |
Exolaunch exolaunch.com | Aerospace & Defense | 51–200 | Germany | Exhibitor |
Kongsberg NanoAvionics nanoavionics.com | Aerospace & Defense | 201–500 | Lithuania | Exhibitor |
Book a 15-minute call. We'll walk you through the full list and how we can help you reach the right people while the show is fresh.
Book a call →International Astronautical Congress exhibitors also show up at
The events sharing the most exhibitors with International Astronautical Congress 2026. 40% of the companies we matched here also exhibit at Space Tech Expo Europe 2025.
What people do with this list
Follow up with International Astronautical Congress exhibitors
We'll walk you through all 340 companies and the decision-makers at each, then RocketSDR can research every account and write the outreach. Reach them while the show is still fresh.
Find sponsors among companies that exhibit at shows like this
Exhibitors at International Astronautical Congress and Space Tech Expo Europe already budget for events in your space. We find the ones that fit your audience and the person who signs off on sponsorship.
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International Astronautical Congress 2026: quick answers
How many companies exhibit at International Astronautical Congress 2026?
340 companies are listed as exhibitors or sponsors at International Astronautical Congress 2026, as of 5 Nov 2026. Of those, 31 are listed as sponsors and 94 as exhibitors; the rest come from combined exhibitor and sponsor lists. We matched 196 of them to a company profile with industry, size and headquarters.
What industries exhibit at International Astronautical Congress 2026?
Among the 181 exhibitors we matched, the largest groups are Aerospace & Defense (55%), Hardware, Semiconductors & IoT (3.3%), Telecom & Connectivity (3.3%). In total they span 42 sectors.
Where are International Astronautical Congress exhibitors from?
Exhibitors we matched are headquartered in 37 countries. The most represented are United States (25), Germany (18), Italy (17).
How many International Astronautical Congress 2025 exhibitors returned for 2026?
62 companies from International Astronautical Congress 2025's list of 216 are on the International Astronautical Congress 2026 list (29%). 278 companies are new this year, and 154 did not return.
Turn the International Astronautical Congress list into meetings
RocketSDR finds the right person at every exhibitor, researches each account, and runs personalised outreach across email and LinkedIn — so you walk into the show with meetings booked.