Verified Nov 2026
Thermal & Fluid Systems
·
Louisville, Colorado
·
Since 2021
Sierra Space is a commercial aerospace and defense technology company headquartered in Louisville, Colorado, founded in 2021 and employing between 1,000 and 5,000 people. It designs and manufactures satellite platforms, spacecraft, and space infrastructure for national security and civil customers, and serves the aerospace, defense, and electric-vehicle sectors. In 2026 the company reported a $798 million missile defense contract supporting the Golden Dome program.
Sierra Space at a glance
Revenue
$10-50M
Est. band
Employees
1,000-5,000
Founded
2021
Headquarters
Louisville, Colorado
Certifications
ITAR registered
Import activity
3
Industries
Automotive
Electric Vehicles
Military & Defense
Plumbing & Hardware
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
3
Named foreign suppliers
3
Top origins
China · Taiwan · South Korea
Shared foreign counterparties do not establish that these companies buy from Sierra Space.
What this tells a buyer
Sierra Space announced a $550 million Series C funding round in March 2026, which valued the company at $8 billion, according to its own announcement.
The company holds ITAR registration and manufactures products that include LED, sensor, and lighting components, with machining and assembly operations at facilities in Louisville, Colorado and Palm Bay, Florida.
Sierra Space was spun off from Sierra Nevada Corporation and lists Mitsubishi among its reported customers.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
5 years in operation (founded 2021).
Holds ITAR registered certification(s) per public sources.
Overview
Sierra Space is a commercial aerospace and defense technology company headquartered in Louisville, Colorado, founded in 2021 and employing between 1,000 and 5,000 people. It designs and manufactures satellite platforms, spacecraft, and space infrastructure for national security and civil customers, and serves the aerospace, defense, and electric-vehicle sectors. In 2026 the company reported a $798 million missile defense contract supporting the Golden Dome program.
At a glance
Attribute | Detail |
|---|---|
Founded | 2021 |
Headquarters | Louisville, Colorado |
Employees | 1,000-5,000 |
Revenue | $10-50M (estimated) |
Primary capability | Thermal & Fluid Systems |
Certifications | ITAR registered |
What Sierra Space makes
The company holds ITAR registration and manufactures products that include LED, sensor, and lighting components, with machining and assembly operations at facilities in Louisville, Colorado and Palm Bay, Florida.
Products and capabilities described on the company's own site include LED, Sensor, Lighting, Machining, Assembly (source: sierraspace.com).
Certifications
Sierra Space is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ITAR registered — sierraspace.com
Trade and customs footprint
Sierra Space announced a $550 million Series C funding round in March 2026, which valued the company at $8 billion, according to its own announcement. US customs bill-of-lading records list 3 inbound shipments across 3 foreign suppliers, with top origins including China · Taiwan · South Korea.
Known customers
The counterparties below come from public sources that state the relationship directly. A shared counterparty does not by itself establish a current buying relationship unless the source says so:
Mitsubishi — reported by sierraspace.com
Latest developments
2026-10-26 — Sierra Space Names Daniel Gittsovich as Chief Financial Officer | Sierra Space (sierraspace.com)
2026-09-02 — Sierra Space Secures National Security and Commercial Payload Contracts for Dream Chaser Inaugural Flight | Sierra Space (sierraspace.com)
2026-07-13 — Sierra Space Awarded $798 Million Missile Defense Contract in Support of Golden Dome for America | Sierra Space (sierraspace.com)
2026-07-13 — L3Harris, Sierra Space to build 36 satellites to expand U.S. missile-tracking network - SpaceNews (spacenews.com)
2026-03-05 — Sierra Space Closes $550 Million in Series C Round, with a Valuation of $8 Billion | Sierra Space (sierraspace.com)
2025-07-15 — Sierra Space Awarded Contract by Mitsubishi Heavy Industries | Sierra Space (sierraspace.com)
Facilities
Sierra Space is headquartered in Louisville, Colorado. Public sources also reference these locations:
Palm Bay, Florida — spacenews.com
Louisville, CO — sierraspace.com
Company details
Sierra Space was spun off from Sierra Nevada Corporation and lists Mitsubishi among its reported customers. Sierra Space was founded in 2021, has an estimated 1,000-5,000 employees, and is headquartered in Louisville, Colorado. On the LightSource stability read it is rated "Established & active": 5 years in operation (founded 2021). Holds ITAR registered certification(s) per public sources.
Frequently asked questions
What does Sierra Space make?
Sierra Space is a commercial aerospace and defense technology company headquartered in Louisville, Colorado, founded in 2021 and employing between 1,000 and 5,000 people. It designs and manufactures satellite platforms, spacecraft, and space infrastructure for national security and civil customers, and serves the aerospace, defense, and electric-vehicle sectors. In 2026 the company reported a $798 million missile defense contract supporting the Golden Dome program.
Where is Sierra Space headquartered?
Sierra Space is headquartered in Louisville, Colorado.
When was Sierra Space founded?
Sierra Space was founded in 2021.
How big is Sierra Space?
Sierra Space has an estimated 1,000-5,000 employees, with revenue in the $10-50M range (estimated).
What certifications does Sierra Space hold?
Sierra Space lists ITAR registered on its website. Confirm the certified scope for the specific plant producing your part.
Does Sierra Space import from overseas suppliers?
US customs bill-of-lading records show 3 inbound shipments for Sierra Space, with top origins including China · Taiwan · South Korea.
Related suppliers
Explore other suppliers in the LightSource directory:
Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Evaluating suppliers like these?
This profile comes from a public-data sample of around 1,000 companies. Book a demo to see the full LightSource marketplace and supplier discovery platform — 1M+ credible suppliers, with AI-run sourcing events.