Impact
SpaceX's biggest export may be people. The 100 companies in this index have raised at least $13.9B in disclosed funding,12 are valued at $1 billion or more, and their headquarters span 13 US states. Figures below only count what has been publicly reported, so they understate the real totals.
Founded per year
34 companies without a confirmed founding year are not shown.
Disclosed funding by sector
Largest by disclosed funding
Valued at $1B or more
| Company | Reported valuation | As of |
|---|---|---|
| Base Power | $13B | 2026 |
| Castelion | $13B | Aug 2026 |
| K2 Space | $6.8B | Jul 2026 |
| Firefly Aerospace | $6.3B | Aug 2025 IPO |
| Impulse Space | $4.26B | Jun 2026 |
| Rebellions | $2.34B | Mar 2026 |
| Starcloud | $2.3B | Aug 2026 |
| Muon Space | $1.5B | Aug 2026 |
| Apex | $1B | 2025 |
| Hermeus | $1B | Apr 2026 (reported unicorn) |
| Reliable Robotics | $1B | 2026 (reported) |
| Revel | $1B | Feb 2026 (reported >$1B) |
Headquarters by state
Map76 companies are headquartered in the US.
Status
Operating94
Public1
Acquired2
Closed3
Milestones worth knowing
- 1872: Opened an autonomous steel plant in Cincinnati's Camp Washington neighborhood
- Applied Atomics: New Orleans headquarters expected to add about 40 jobs
- Arbor Energy: Order for up to 5 GW of baseload power for data centers (2026)
- Base Power: Among the largest energy-storage rounds ever raised by a residential company
- Base Power: Operates as a grid resource in the ERCOT market
- Beyond Reach Labs: Aerospace manufacturing facility at Industry City, Brooklyn
- Castelion: Positions itself as a new-entrant supplier to the US defense industrial base
- Firefly Aerospace: First commercial company to achieve a fully successful Moon landing (Blue Ghost, 2025)
- Firefly Aerospace: Texas-based manufacturing and test operations
- General Matter: Planned $1.5B enrichment facility in Paducah, KY (about 140 jobs)
- General Matter: $900M Department of Energy enrichment award
- Impulse Space: Provides orbital transfer services to commercial and national security customers
- Relativity Space: Operates a large rocket factory in Long Beach, CA
- TerraFirma: Moved its headquarters to Buda, TX, bringing robotics jobs to the Austin area
- Ursa Major: Supplies propulsion to US hypersonics and launch programs
How to read these numbers: disclosed funding adds up rounds reported in the press or by the companies themselves, so private or undisclosed rounds are missing. Valuations are as reported at the time of the latest round. Employment figures are not shown because few companies publish them reliably. Methodology.