Authority Flame Hardening & Straightening LLC

49803 Leona Drive, Chesterfield, MI 48051

UNVERIFIEDLAST SEEN IN FEDERAL DATA SEP 2019 · 2 SOURCES

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

Directions Claim this page Get the badge

What they make

Metal Heat Treating332811

Where it is

42.66716, -82.84251 · CENSUS TIGER

COUNTY

Macomb County

METRO AREA

Detroit-Warren-Dearborn, MI

ON GOOGLE MAPS

Open this address

Other plants nearby

Facility	City	Industry	Status	Distance
Bach Enterprises LLC	Chesterfield Twp	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	UNVERIFIED	0.4 KM
Offsite Mfg Technologies	Chesterfield	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	LIKELY ACTIVE	0.6 KM
Chemico Systems INC	Chesterfield Township	All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998	UNVERIFIED	0.7 KM
Vanguard Conversion and Fulfillment, LLC	Chesterfield	Fabric Coating Mills 313320	ACTIVE	1.6 KM
D & B Metal Finishing	Clinton Township	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	UNVERIFIED	5.5 KM

Every listed plant in Macomb County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 6 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 NPDES, OSHA-OIS · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen SEP 2019 · last seen SEP 2019
EPA Facility Registry ServiceEXISTENCE
Record 110067574020 · first seen JUL 2016 · last seen JUL 2016

IN MACOMB COUNTY77 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 34 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: AUTHORITY FLAME HARDENING & STRAIGHTENING LLC · NOV 2026
Street address: EPA: 49803 LEONA DRIVE · NOV 2026
City: EPA: CHESTERFIELD · NOV 2026
State: EPA: MI · NOV 2026
County (FIPS code): EPA: 26099 · NOV 2026
Coordinates: EPA: 42.66716,-82.84251 · NOV 2026

Report a correction · Request removal