Quantum Si Garnet Valley

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
MGMivatek Global LLC	Chadds Ford	Semiconductor Machinery Manufacturing 333242	● ACTIVE	7.2 KM
Led Smart USA LLC	Media	Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing 335132	● ACTIVE	10.4 KM
Sindri Materials CORP	West Chester	Semiconductor and Related Device Manufacturing 334413	● ACTIVE	11.8 KM
Milnec Interconnect Systems LLC	Wilmington	Electronic Connector Manufacturing 334417	● ACTIVE	13.1 KM
Alvatek Electronics LLC	Wilmington	Electronic Connector Manufacturing 334417	● ACTIVE	13.1 KM

Every listed plant in Delaware County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

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 RCRAINFO · EPA site type STATIONARY.

• EPA ECHO compliance recordsOPERATING
  first seen SEP 2026 · last seen SEP 2026
• EPA Facility Registry ServiceEXISTENCE
  Record 110071268855 · first seen JUN 2022 · last seen JUN 2022

IN DELAWARE COUNTY3 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 1 of them has 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: QUANTUM SI GARNET VALLEY · OCT 2026

Street address

EPA: 3070 MCCANN FARM DR · OCT 2026

City

EPA: GARNET VALLEY · OCT 2026

State

EPA: PA · OCT 2026

County (FIPS code)

EPA: 42045 · OCT 2026

Coordinates

EPA: 39.850823,-75.47319 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: SQG · OCT 2026