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Ursa Major builds rocket engines and solid rocket motors that power space launches, hypersonic vehicles, and U.S. defense systems.
Ursa Major builds the engines that push rockets into space and power hypersonic vehicles and defense systems. Most people never see its products, because they sit inside someone else's rocket. The company makes the hot, complicated machinery — the part that has to work perfectly or nothing else matters.
Its main products are liquid rocket engines, which burn fuel and oxidizer to create thrust. Ursa Major sells these engines to launch companies and government programs that don't want to build their own. It also makes solid rocket motors, a different technology used for hypersonics and military applications. Customers pay for the engine hardware plus the engineering that goes with it; they pick Ursa Major because building a reliable rocket engine from scratch is brutally hard and slow, and buying one off the shelf saves years. The company has made a name for itself with engines like Hadley, a smaller engine built for the upper stage of rockets, and it has pushed into national security work as the U.S. military looks for more domestic suppliers. That defense angle matters: the Pentagon wants hypersonic weapons and reliable rocket motors, and it doesn't want to depend on a single supplier. Ursa Major is positioning itself as an independent engine maker — selling to many rocket builders instead of competing with them.
Investors should know the business is tied to a young, lumpy industry. Rocket launches are growing, but customers are few, contracts take years, and engine development burns cash before it earns any. The company's bet is that as more rockets and hypersonic vehicles get built, more of them will run on engines made by Ursa Major rather than engines each customer designs alone.
Saved answer · last researched 15 Nov 2026