Machineworks Manufacturing

20540 Superior St Unit D, Chatsworth, CA 91311

UNVERIFIEDLAST SEEN IN FEDERAL DATA — · 1 SOURCE

Present in a source dataset, with no recent operating signal.

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Their homepage, crawled JUL 2026

What they make

Iron Foundries331511

axis milling
CNC lathe machining
CNC machining
sheet metal
plastic components
aerospace
defense
medical
green technology
9100 Certified

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Products

Sold by MACHINEWORKS MANUFACTURING · 9

Aircraft Ground Servicing Equipment · Airframe Structural Components · Bearings, Plain, Unmounted · Fittings For Rope, Cable, And Chain · Hose, Pipe, Tube, Lubrication, And Railing Fittings · Miscellaneous Fabricated Nonmetallic Materials · Miscellaneous Vehicular Components · Nails, Machine Keys, And Pins · Nuts And Washers

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from

9 from usaspending_psc · Federal registry

Supplied under federal award SPE8EF24P0667 (2024-07-26), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Where it is

34.24633, -118.58114 · CENSUS TIGER

COUNTY

Los Angeles County

METRO AREA

Los Angeles-Long Beach-Anaheim, CA

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STREET VIEW

Open street-level view — JAN 2026

Other plants nearby

Facility	City	Industry	Status	Distance
John List Corporation	Chatsworth	Nonferrous Metal (except Aluminum) Smelting and Refining 331419	ACTIVE	0.1 KM
Electro Adapter INC	Chatsworth	Nonferrous Metal Die-Casting Foundries 331523	ACTIVE	1.4 KM
Cast Alloys INC	Northridge	Steel Investment Foundries 331512	UNVERIFIED	1.7 KM
Thompson Gundrilling INC	Van Nuys	Steel Foundries (except Investment) 331513	LIKELY ACTIVE	14.1 KM
Kenwalt Die Casting CORP.	Sun Valley	Nonferrous Metal Die-Casting Foundries 331523	ACTIVE	19.2 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 110070632839 · first seen NOV 2019 · last seen NOV 2019

IN LOS ANGELES COUNTY123 other plants share this one’s industry (Foundries, NAICS 3315); 21 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: MACHINEWORKS MANUFACTURING · OCT 2026
Street address: EPA: 20540 SUPERIOR ST UNIT D · OCT 2026
City: EPA: CHATSWORTH · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06037 · OCT 2026
Coordinates: EPA: 34.246334,-118.58114 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: none · OCT 2026

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