Simpson Labs LLC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Utak Laboratories, INC.	Santa Clarita	In-Vitro Diagnostic Substance Manufacturing 325413	● ACTIVE	0.4 KM
PLPharmavite LLC	Valencia	Pharmaceutical Preparation Manufacturing 325412	◇ UNVERIFIED	0.4 KM
Percusense, INC	Valencia	In-Vitro Diagnostic Substance Manufacturing 325413	● ACTIVE	2.1 KM
VAValencia A	Valencia	Pharmaceutical Preparation Manufacturing 325412	◐ LIKELY ACTIVE	5.9 KM
VWValencia W	Valencia	Pharmaceutical Preparation Manufacturing 325412	◐ LIKELY ACTIVE	6.3 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 110072098255 · first seen NOV 2025 · last seen NOV 2025

IN LOS ANGELES COUNTY257 other plants share this one’s industry (Pharmaceutical and Medicine Manufacturing, NAICS 3254); 36 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: SIMPSON LABS LLC · NOV 2026

Street address

EPA: 24715 AVENUE ROCKEFELLER · NOV 2026

City

EPA: VALENCIA · NOV 2026

State

EPA: CA · NOV 2026

County (FIPS code)

EPA: 06037 · NOV 2026

Coordinates

EPA: 34.432698,-118.565925 · NOV 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · NOV 2026