Supertech Machining INC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Robert Wall Enterprises	Chatsworth	All Other Miscellaneous Fabricated Metal Product Manufacturing 332999	● ACTIVE	0.3 KM
Delta Hi-tech	Chatsworth	Sheet Metal Work Manufacturing 332322	● ACTIVE	0.3 KM
Absolute Machining, INC	Chatsworth	Machine Shops 332710	● ACTIVE	0.5 KM
PMPrompt Machine Products, INC	Chatsworth	All Other Miscellaneous Fabricated Metal Product Manufacturing 332999	● ACTIVE	0.4 KM
HMHallmark Mfg CO INC	Chatsworth	Bolt, Nut, Screw, Rivet, and Washer Manufacturing 332722	◇ UNVERIFIED	0.5 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

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 110070461238 · first seen JAN 2019 · last seen MAR 2026

IN LOS ANGELES COUNTY478 other plants share this one’s industry (Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing, NAICS 3327); 149 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: SUPERTECH MACHINING INC · OCT 2026

Street address

EPA: 20716 PLUMMER ST · OCT 2026

City

EPA: CHATSWORTH · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06037 · OCT 2026

Coordinates

EPA: 34.24268,-118.584941 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026