Sienza INC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Radial Space LLC	Pasadena	Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220	● ACTIVE	4.4 KM
CACaps Armory LLC	Monterey Park	Small Arms, Ordnance, and Ordnance Accessories Manufacturing 332994	◐ LIKELY ACTIVE	9.5 KM
Astro Technologies, INC	Arcadia	All Other Miscellaneous Manufacturing 339999	● ACTIVE	8.1 KM
XFXos Fleet INC	Los Angeles	Heavy Duty Truck Manufacturing 336120	● ACTIVE	9.8 KM
R & R Rubber Molding, INC.	El Monte	Rubber Product Manufacturing for Mechanical Use 326291	● ACTIVE	11.0 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

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 RCRAINFO · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110071305247 · first seen AUG 2022 · last seen AUG 2022

IN LOS ANGELES COUNTY170 other plants share this one’s industry (Other Electrical Equipment and Component Manufacturing, NAICS 3359); 34 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: SIENZA INC · NOV 2026

Street address

EPA: 943 S RAYMOND AVE · NOV 2026

City

EPA: PASADENA · NOV 2026

State

EPA: CA · NOV 2026

County (FIPS code)

EPA: 06037 · NOV 2026

Coordinates

EPA: 34.129488,-118.148757 · NOV 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · NOV 2026