AX19 preburner
An experimental preburner designed, developed, manufactured, tested and delivered for Sierra Space.


Startup · United States
HQ Durango51-200 employees
Propelling humanity to an interplanetary future. An in-space propulsion solution provider, specializing in additively manufactured hypergolic chemical systems.
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Feb 19, 2026 | Series A | $17.0M | — | Caruso Ventures, Howdy Partners | Lockheed Martin Ventures, Veteran Ventures Capital | Confirmed |
| Sep 26, 2024 | Strategic | Undisclosed | — | Lockheed Martin Ventures | BOKA Capital, Veteran Ventures Capital | Confirmed |
| Jun 23, 2023 | Seed | $13.0M | — | Caruso Ventures | CORI Innovation Fund, Greater Colorado Venture Fund, Greenline Ventures, Lockheed Martin Ventures | Reported |
| Jul 16, 2021 | Debt | $1.8M | — | — | Greenline Ventures | Confirmed |
| 2022 | Seed | $9.0M | — | Caruso Ventures | — | Confirmed |
| 2019 | Undisclosed | $875K | — | — | Howdy Partners | Reported |
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
An experimental preburner designed, developed, manufactured, tested and delivered for Sierra Space.
MMH/MON3 bipropellant thruster for spacecraft attitude control and ΔV maneuvers.
Bipropellant thruster using N2H4/MON3 for axial thrust on midsize to large spacecraft.
A bipropellant thruster sold for deep‑space transportation vehicles.
Hydrazine monopropellant thruster for attitude and position control of small spacecraft.
A newly developed propulsion system referenced in the company’s 2023 year‑in‑review.
Newest unveiled first. Open a system for its milestone timeline, components and sources.
Founder and CTO
COO
CEO
Chief Executive Officer
Chief Technology Officer
Agile Space Industries · Supports Organization · description, Organization · name, Organization · website
“Propelling humanity to an interplanetary future. An in-space propulsion solution provider, specializing in additively manufactured hypergolic chemical systems.”
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "USA", "hq_iso2": "US", "id": "2e0b9752-deff-4695-a987-f12963182905"}”
Agile Space Industries · Supports System
“We’re excited to announce our first commercial sale of the LE144 bipropellant thruster for a deep space transportation vehicle!”
Agile Space Industries · Supports System
“## **VoidRunner** **THRUST: 3000N (600-lbf)** VoidRunner (aka DS3000) was designed to be the main thrust engine on spacecraft like lunar landers or other large vehicles.”
Agile Space Industries · Feb 19, 2026 · Supports Funding round · amount, Organization · ownership
“Agile Space Industries Oversubscribed $17M Series A”
SpaceNews · Feb 19, 2026 · Supports Funding round
“The round was led by Caruso Ventures and Howdy Partners”
Agile Space Industries (SpaceNews reprint) · Jun 23, 2023 · Supports Funding round, Funding round · amount
“was led by Caruso Ventures”
Agile Space Industries · Jul 16, 2021 · Supports Funding round · amount
“DURANGO, Colo., July 16, 2021 /PRNewswire/ -- AGILE Space Industries, a leading provider of propulsion solutions for spaceflight missions has won the Greater Colorado Pitch Series Investment Competition, with a whopping $1.8 million venture debt commitment from Greenline Ventures of Denver.”
Agile Space Industries · Supports Funding round · stage
“Lockheed Martin Ventures (LMV) led the round, furthering their investment in Agile following participation in its 2023 seed round.”
Agile Space Industries · Supports Funding round · amount
“Lockheed Martin Ventures completes Strategic Investment in Agile Space Industries Seed round closed at $13M”
Agile Space Industries · Supports Funding round · amount
“During Thompson’s tenure, Agile raised $9 million in a previously unreported seed funding round led by Caruso Ventures that was completed in October.”
Startup Colorado · Supports Funding round · amount
“Since their initial $875K round in 2019, the company has gone on to raise several rounds of financing.”
Crunchbase · Supports Organization · employee range, Organization · hq city, Organization · linkedin url, Organization · x url, Role
“employee_range: 51-200 (profile: 51-100)”
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