Rocket Propulsion Systems LLC
19309 68th Ave S Ste R108, Kent, WA 98032
Operating signal within 12 months from two or more independent sources.
What they make
Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing336415Rocket 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
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Allflight | Kent | Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413 | UNVERIFIED | 0.5 KM |
| Blue Origin LLC 20073 72nd Ave S Kent | Kent | Guided Missile and Space Vehicle Manufacturing 336414 | UNVERIFIED | 0.7 KM |
| Rice Lake Weighing Systems, INC | Kent | All Other Miscellaneous General Purpose Machinery Manufacturing 333998 | ACTIVE | 0.6 KM |
| Astronics Kent, WA | Kent | Aircraft Manufacturing 336411 | LIKELY ACTIVE | 0.7 KM |
| Astronics Connectivity Systems & Certification CORP. | Kent | Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413 | ACTIVE | 0.7 KM |
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.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | JUL 2026 |
| SAM GOV | OPERATING | MAY 2026 | MAY 2026 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | MAY 2026 |
| CAGE CODE | SAM GOV | MAY 2026 |
| CITY | SAM GOV | MAY 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | MAY 2026 |
| REGISTRATION EXPIRATION | SAM GOV | MAY 2026 |
| STATE | SAM GOV | MAY 2026 |
| WEBSITE | SAM GOV | MAY 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


