Sierra Space A2 Centennial Location

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
True Anomaly, INC	Centennial	Guided Missile and Space Vehicle Manufacturing 336414	● ACTIVE	0.7 KM
GAGeneral Atomics - Colorado - GCC01	Centennial	Aircraft Manufacturing 336411	◐ LIKELY ACTIVE	1.4 KM
General Atomics	Englewood	Guided Missile and Space Vehicle Manufacturing 336414	● ACTIVE	1.4 KM
Air Methods, LLC	Englewood	Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413	● ACTIVE	1.3 KM
GAGeneral Atomics - Colorado - GCC02	Englewood	Aircraft Manufacturing 336411	◐ LIKELY ACTIVE	1.5 KM

Every listed plant in Arapahoe County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 7 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.

EPA cross-references this facility in OSHA-OIS, RCRAINFO · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110070292488 · first seen SEP 2018 · last seen SEP 2018

IN ARAPAHOE COUNTY25 other plants share this one’s industry (Aerospace Product and Parts Manufacturing, NAICS 3364); 6 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

EPA: SIERRA SPACE A2 CENTENNIAL LOCATION · OCT 2026

Street address

EPA: 11551 E ARAPAHOE RD · OCT 2026

City

EPA: CENTENNIAL · OCT 2026

State

EPA: CO · OCT 2026

County (FIPS code)

EPA: 08005 · OCT 2026

Coordinates

EPA: 39.59504,-104.8547 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026