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Rocket Propulsion Systems LLC

19309 68th Ave S Ste R108, Kent, WA 98032

ACTIVELAST SEEN IN FEDERAL DATA JUL 2026 · 2 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Rocket Propulsion Systems LLC
Their homepage, crawled AUG 2026

What they make

Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing336415

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.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Where it is

47.42807, -122.24945 · CENSUS TIGER
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Every listed plant in King County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 8 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026JUL 2026
SAM GOVOPERATINGMAY 2026MAY 2026
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1SAM GOVMAY 2026
CAGE CODESAM GOVMAY 2026
CITYSAM GOVMAY 2026
GEOMCENSUS GEOCODERJUL 2026
NAMESAM GOVMAY 2026
REGISTRATION EXPIRATIONSAM GOVMAY 2026
STATESAM GOVMAY 2026
WEBSITESAM GOVMAY 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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