Rocket Propulsion Systems LLC

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Their homepage, crawled AUG 1, 2026

At a glance

EmployeesNot reported

In business sinceNot reported

Industry

Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing

HeadquartersKent, WA

SAM.gov UEIH12BCANKEW99

Rocket Propulsion Systems designs and manufactures cryogenic rocket engines and orbital transfer vehicles. The company's engines, priced at $150,000 each, operate at 3,307 lbf thrust with a vacuum specific impulse of 374 seconds and are used to power orbital transfer vehicles capable of performing maneuvers between Low Earth Orbit, Medium Earth Orbit, Geosynchronous Earth Orbit, and lunar transfers. The company serves space operations and aerospace markets requiring dynamic space maneuverability and rapid orbit transfers.

Facility	City	State	Employees	Status
Rocket Propulsion Systems LLC	Kent	WA	—	● ACTIVE

Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.