https://techcrunch.com/2021/11/18/meet-the-next-generation-of-launch-companies-at-tc-sessions-space/

The new economy of space has been made possible by the new generation of launch companies — the old new generation now, actually, as SpaceX and Rocket Lab cement their reputations. Now it’s up to the likes of Astra, Firefly Aerospace, Relativity Space and Launcher to change the game — as the CEOs of those companies will explain at our virtual TechCrunch Sessions: Space event on December 14-15.

These companies all have very different approaches to the orbital launch services industry. Launcher is focusing on efficiency, for instance, with a 3D-printed copper liquid engine that it says is among the most fuel-efficient out there. Lower costs, less fuel per launch and subsequently more space for payloads mean it can undercut competitors in the increasingly competitive small launch market.