The 12 closest competitors and alternatives to Momentus among aerospace companies — ranked by similarity to what Momentus actually does, not by market-cap band.
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Momentus Inc. is an American commercial space company headquartered in San Jose, California, that designs and manufactures in-space infrastructure, offering transportation and related in-space services.
Momentus is an aerospace company headquartered in San Jose, United States. It is publicly listed (MNTS) with a market capitalisation of $23.5M. Xcout tracks 20 named people at Momentus, including John Charles Rood (Chairman, President & Chief Executive Officer). Xcout recorded 15 job postings from Momentus in the last 90 days.
14 more named people on record for Momentus, with roles, board committees and tenure — see the full roster →
Xcout recorded 15 job postings from Momentus in the last 90 days, from a hiring record Xcout has kept since June 2026.
The weekly hiring trend, the roles and locations behind it — see Momentus's hiring signals →
Ranked by semantic similarity — how close each company is to Momentus by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Similar aerospace company
Muon Space, Inc. is a space technology company headquartered in Mountain View, California, that designs and launches satellite missions for communications and earth observation.
Similar aerospace company
Morpheus Space is a space technology company that develops and produces advanced electric propulsion systems, such as the GO-2 FEEP, to enable efficient satellite mobility. Product development and production are based in Dresden, Germany, supported by a U.S. office in California.
Similar aerospace company
SpinLaunch Inc. is a private aerospace company founded in 2014 by Jonathan Yaney. Headquartered in California, the company focuses on developing alternative space launch technology.
Similar aerospace company
Initium Aerospace is an aviation and aerospace component manufacturing company headquartered in San Francisco, California. It specializes in space research, technology, and aerospace engineering solutions.
Aerospace & Defense
Sidus Space is a space and defense technology company headquartered on Florida's Space Coast. The company operates a large manufacturing and testing facility, specializing in dual-use satellite manufacturing and technology.
Similar aerospace company
Turion Space is a U.S. aerospace company developing spacecraft and in-space transportation services for satellite inspection, servicing, and orbital debris removal. Its customers include commercial and government organizations operating satellites and seeking space-domain awareness or on-orbit logistics capabilities.
Aerospace & Satellite Services
Katalyst Space Technologies develops robotic spacecraft and dynamic space operations solutions for satellite servicing and orbital management. Its flagship product, Nexus, provides capabilities such as orbital maneuvering, docking, robotic servicing, and on-orbit hardware upgrades for government and commercial space operators.
Similar aerospace company
Millennium Space Systems designs and manufactures high-performing small satellite systems and constellations for defense and commercial customers. The company provides agile, autonomous spacecraft and mission solutions across low, medium, geosynchronous, very-low Earth, and cis-lunar orbits for applications including missile warning, tactical intelligence, surveillance, reconnaissance, and communications.
Similar aerospace company
Relativity Space, Inc. is an American aerospace manufacturing company headquartered in Long Beach, California. The company is engaged in developing innovative launch vehicles and utilizing 3D printing technologies for rocket production.
Similar aerospace company
Loft Orbital provides space infrastructure as a service, integrating, testing, launching, and operating satellites and hosted payloads for commercial and government customers. The company enables clients to rapidly deploy physical payloads and run edge-computing applications on low-Earth orbit satellites.
Similar aerospace company
Outpost Space, also known as Outpost Technologies Corporation, is a defense and space manufacturing company headquartered in Los Angeles that builds fully-reusable orbital shipping containers for through-space delivery anywhere on Earth.
Similar aerospace company
Gravitics is a defense and space manufacturing company headquartered in Seattle, Washington. The firm specializes in developing commercial space station modules, cargo and logistics carriers, and orbital infrastructure using a modular 4-meter diameter form factor.
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