Leyden Limited
1700 Washington Ave, Golden, CO 80401
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 Manufacturing336415- electromagnetic technology
- propellantless electromagnetic propulsion
- Colorado School
- Mines
- space technologies
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Pacific Millimeter Products | Golden | Other Electronic Component Manufacturing 334419 | ACTIVE | 5.0 KM |
| Rendezvous Robotics, INC. | Golden | Guided Missile and Space Vehicle Manufacturing 336414 | ACTIVE | 4.9 KM |
| Lunar Outpost INC | Arvada | Guided Missile and Space Vehicle Manufacturing 336414 | ACTIVE | 8.0 KM |
| Lunar Outpost - North | Arvada | Guided Missile and Space Vehicle Manufacturing 336414 | LIKELY ACTIVE | 8.1 KM |
| Moog, INC. | Wheat Ridge | Guided Missile and Space Vehicle Manufacturing 336414 | ACTIVE | 8.8 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 sources hold this plant, and 10 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord NGESSLH1DM71 · first seen OCT 2025 · last seen AUG 2026
- Colorado Secretary of State business registryOPERATINGRecord CO:20251491579 · first seen JUN 2026 · last seen JUN 2026
IN JEFFERSON COUNTY21 other plants share this one’s industry (Aerospace Product and Parts Manufacturing, NAICS 3364); 4 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- SAM.gov: LEYDEN LIMITED · AUG 2026
- Street address
- SAM.gov: 1700 WASHINGTON AVE · AUG 2026
- City
- SAM.gov: GOLDEN · AUG 2026
- State
- SAM.gov: CO · AUG 2026
- Coordinates
- Census geocoder: 39.751212467661,-105.217556507751 · JUL 2026
- Website
- SAM.gov: leydenspace.org · AUG 2026
- Year established
- CO SOS: 2025 · APR 2025
- CAGE code
- SAM.gov: 16EX9 · AUG 2026
- SAM registration expires
- SAM.gov: 2027-08-09 · AUG 2026
- State business registration
- CO SOS: Leyden Limited, registered with the Colorado Secretary of State; Limited liability company; formed 2025-04-28; active, annual report filed 2026-06-24 · JUN 2026


