Composite Structures LLC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
DMDucommun Monrovia	Monrovia	Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413	◐ LIKELY ACTIVE	0.1 KM
MDMcdonnell Douglas Aerospace	Monrovia	Other Electronic Component Manufacturing 334419	◇ UNVERIFIED	0.3 KM
Mulgrew Aircraft Components, INC.	Monrovia	Hardware Manufacturing 332510	● ACTIVE	1.4 KM
Age Logistics Corporation	Monrovia	Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413	● ACTIVE	1.4 KM
Vinyl Technology, LLC	Monrovia	Cut and Sew Apparel Contractors 315210	● ACTIVE	1.5 KM

Every listed plant in Los Angeles County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold 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 AIR, AIRS/AFS, BR, CA-CERS, CA-ENVIROVIEW, CEDRI, EIS, HWTS-DATAMART, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.

• EPA ECHO compliance recordsOPERATING
  first seen NOV 2024 · last seen NOV 2024
• EPA Facility Registry ServiceEXISTENCE
  Record 110002332921 · first seen JUN 2017 · last seen JUN 2017

IN LOS ANGELES COUNTY523 other plants share this one’s industry (Aerospace Product and Parts Manufacturing, NAICS 3364); 126 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: COMPOSITE STRUCTURES LLC · OCT 2026

Street address

EPA: 801 ROYAL OAKS DRIVE801 ROYAL OAKS DRIVE · OCT 2026

City

EPA: MONROVIA · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06037 · OCT 2026

Coordinates

EPA: 34.14321,-117.98786 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026