Mastermelt America LLC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Ngk Metals Corporation	Sweetwater	Copper Rolling, Drawing, Extruding, and Alloying 331420	● ACTIVE	2.9 KM
ATAcupowder Tn LLC	Greenback	Copper Rolling, Drawing, Extruding, and Alloying 331423	◇ UNVERIFIED	27.6 KM
ALArcelormittal Laplace LLC	Harriman	Iron and Steel Mills and Ferroalloy Manufacturing 331110	◐ LIKELY ACTIVE	34.9 KM
HCHorsehead CORP	Rockwood	Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) 331492	◐ LIKELY ACTIVE	36.2 KM
BZBefesa Zinc US INC.	Rockwood	Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) 331492	◇ UNVERIFIED	36.7 KM

Every listed plant in Monroe 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

6 sources hold this plant, and 10 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 AIR, AIRS/AFS, EIS, EPS, NPDES, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.

• EPA ECHO compliance recordsOPERATING
  first seen JUL 2026 · last seen JUL 2026
• EPA Facility Registry ServiceEXISTENCE
  Record 110028259765 · first seen MAR 2026 · last seen MAR 2026
• OSHA injury and illness reportsOPERATING
  Record 175830 · first seen DEC 2025 · last seen DEC 2025
• EPA Toxics Release InventoryOPERATING
  first seen DEC 2023 · last seen DEC 2024
• DOL Form 5500 retirement plan filingsOPERATING
  Record 203933686|TN|37874|319 industrial park rd · first seen DEC 2024 · last seen DEC 2024
• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record TN|sweetwater|319 industrial park rd · first seen APR 2020 · last seen APR 2020

ALSO RECORDED ASMastermelt

IN MONROE COUNTY1 other plant shares this one’s industry (Nonferrous Metal (except Aluminum) Production and Processing, NAICS 3314); 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: MASTERMELT AMERICA LLC · OCT 2026

Street address

EPA: 319 INDUSTRIAL PARK RD · OCT 2026

City

EPA: SWEETWATER · OCT 2026

State

EPA: TN · OCT 2026

County (FIPS code)

EPA: 47123 · OCT 2026

Coordinates

EPA: 35.609479,-84.454174 · OCT 2026

Employees (band)

OSHA: 20-99 · DEC 2025

Retirement plan filing (Form 5500)

DOL: 94 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024

PPP loan

SBA PPP: PPP loan x1, approved 2020-04-11, 60 jobs reported · APR 2020

Hazardous waste generator (RCRA)

EPA ECHO: SQG · OCT 2026