Knight LLC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Herzan, LLC	Irvine	Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513	● ACTIVE	0.1 KM
Del Mar Avionics, LLC	Irvine	All Other General Purpose Machinery Manufacturing 333999	● ACTIVE	0.3 KM
Meggitt Defense Systems, INC.	Irvine	All Other Fabricated Metal Product Manufacturing 332995	● ACTIVE	0.4 KM
MCMeggitt (orange County), INC.	Irvine	Analytical Laboratory Instrument Manufacturing 334516	● ACTIVE	0.5 KM
HIHORIBA Instruments Incorporated - Irvine Scientific	Irvine	Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513	● ACTIVE	1.0 KM

Every listed plant in Orange 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 110070722445 · first seen MAY 2020 · last seen MAY 2020

IN ORANGE COUNTY252 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 64 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: KNIGHT LLC · OCT 2026

Street address

EPA: 15520 ROCKFIELD BLVD · OCT 2026

City

EPA: IRVINE · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06059 · OCT 2026

Coordinates

EPA: 33.640792,-117.72258 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026