Ald Thermal Treatment, INC.

2656 24th St, Port Huron, MI 48060

ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 4 SOURCES

Operating signal within 12 months from two or more independent sources.

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What they make

Metal Heat Treating332811

Where it is

42.95465, -82.45181 · CENSUS TIGER

COUNTY

St. Clair County

METRO AREA

Detroit-Warren-Dearborn, MI

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Other plants nearby

Facility	City	Industry	Status	Distance
Plastic Dress Up Service INC	Port Huron	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	LIKELY ACTIVE	0.5 KM
Michigan Metal Coatings	Port Huron	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	LIKELY ACTIVE	0.5 KM
S & H Sorting and Packing	Port Huron	Metal Window and Door Manufacturing 332321	UNVERIFIED	0.6 KM
Michigan Metal Coatings Plant 2	Port Huron	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	LIKELY ACTIVE	0.8 KM
Auto Anodics	Port Huron	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	LIKELY ACTIVE	0.9 KM

Every listed plant in St. Clair County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 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 NPDES, RCRAINFO · EPA site type STATIONARY.

OSHA injury and illness reportsOPERATING
Record 1035682 · first seen DEC 2025 · last seen DEC 2025
SAM.gov entity registrationOPERATING
Record UX6MATZKMAS5 · first seen DEC 2025 · last seen DEC 2025
DOL Form 5500 retirement plan filingsOPERATING
Record 571103942|MI|48060|2656 24th st · first seen DEC 2024 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110037407133 · first seen MAR 2014 · last seen MAR 2014

ALSO RECORDED ASALD THERMAL TREATMENT

IN ST. CLAIR COUNTY5 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 3 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.

NameSOURCES DISAGREE: EPA: ALD THERMAL TREATMENT · JUL 2026; SAM.gov: ALD THERMAL TREATMENT, INC. · DEC 2025 · ON THIS PAGE
Street address: EPA: 2656 24TH ST · JUL 2026 · ON THIS PAGE; SAM.gov: 2656 24TH ST · DEC 2025 · ON THIS PAGE
City: EPA: PORT HURON · JUL 2026 · ON THIS PAGE; SAM.gov: PORT HURON · DEC 2025 · ON THIS PAGE
State: EPA: MI · JUL 2026 · ON THIS PAGE; SAM.gov: MI · DEC 2025 · ON THIS PAGE
County (FIPS code): EPA: 26147 · SEP 2026
Coordinates: EPA: 42.954651,-82.45181 · JUL 2026
Employees (band): OSHA: 20-99 · DEC 2025
CAGE code: SAM.gov: 11F58 · DEC 2025
Retirement plan filing (Form 5500): DOL: 132 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
SAM registration expires: SAM.gov: 2026-12-10 · DEC 2025

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