Master Magnetics, INC.

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Farmboxfoods, LLC	Sedalia	All Other Miscellaneous Fabricated Metal Product Manufacturing 332999	● ACTIVE	13.4 KM
Western Sling, LLC	Sedalia	All Other Miscellaneous General Purpose Machinery Manufacturing 333998	● ACTIVE	13.8 KM
Tac-clamp, LLC	Parker	Small Arms, Ordnance, and Ordnance Accessories Manufacturing 332994	● ACTIVE	17.8 KM
JFJh Foundry	Sedalia	All Other Fabricated Metal Product Manufacturing 332997	◇ UNVERIFIED	17.0 KM
Knob Works Customs LLC	Parker	Ornamental and Architectural Metal Work Manufacturing 332323	● ACTIVE	19.4 KM

Every listed plant in Douglas County

Also at this address

More than one federal record exists for this street address. The primary record for the site is listed first.

Wernerworks INC

Castle Rock, CO

● ACTIVE336991

Where this record comes from

1 source holds this plant, and 5 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 OSHA-OIS.

• EPA Facility Registry ServiceEXISTENCE
  Record 110070333600 · first seen SEP 2018 · last seen SEP 2018

IN DOUGLAS COUNTY3 other plants share this one’s industry (Other Fabricated Metal Product Manufacturing, NAICS 3329); 0 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: MASTER MAGNETICS, INC. · OCT 2026

Street address

EPA: 747 S GILBERT ST · OCT 2026

City

EPA: CASTLE ROCK · OCT 2026

State

EPA: CO · OCT 2026

Coordinates

EPA: 39.36162,-104.8462 · OCT 2026