Momentus Inc. is a U.S. commercial space company headquartered in San Jose, California, specializing in in-space transportation and orbital infrastructure services. The company designs and manufactures satellites, satellite buses, and satellite technologies, including solar array systems and components. Momentus offers space transportation services through its Vigoride Orbital Service Vehicle, an orbital tug designed to deliver satellites and payloads to customized orbits. The company provides hosted payload services, on-orbit refueling capabilities, and other in-space infrastructure solutions that enable the commercialization of space. Momentus serves satellite operators, government agencies including the U.S. Defense Department and NASA, and commercial customers requiring orbital logistics and satellite deployment services. Its Microwave Electrothermal Thruster propulsion technology powers its orbital vehicles, offering advanced capabilities for payload transport and satellite servicing in orbit.