Main Steel LLC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
XMX Machine INC (xmi)	Riverside	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	◇ UNVERIFIED	0.7 KM
Steel Unlimited, INC.	Riverside	Plate Work Manufacturing 332313	● ACTIVE	3.7 KM
Ve Signs, INC	Riverside	Sign Manufacturing 339950	● ACTIVE	4.3 KM
SLSeroge L.t.	Riverside	Sheet Metal Work Manufacturing 332322	◇ UNVERIFIED	5.6 KM
DCDura Coat Products INC	Riverside	Plastics Material and Resin Manufacturing 325211	◐ LIKELY ACTIVE	10.3 KM

Every listed plant in Riverside County

Also at this address

No other federal record shares this street address.

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 CA-ENVIROVIEW, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.

• EPA ECHO compliance recordsOPERATING
  first seen MAY 2018 · last seen MAY 2018
• EPA Facility Registry ServiceEXISTENCE
  Record 110000784768 · first seen JUN 2016 · last seen JUN 2016

IN RIVERSIDE COUNTY28 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 8 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: MAIN STEEL LLC · OCT 2026

Street address

EPA: 3100 JEFFERSON STREET · OCT 2026

City

EPA: RIVERSIDE · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06065 · OCT 2026

Coordinates

EPA: 33.92818,-117.40949 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: SQG · OCT 2026