Operating signal within 12 months from two or more independent sources.
What they make
Metal Heat Treating332811- heat treating services
- Aerospace
- Defense
- Medical
- Automotive
- Performance Racing
- processing
- furnace control systems
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Commercial Steel Treating Corporation | Madison Hts | Metal Heat Treating 332811 | UNVERIFIED | 0.1 KM |
| Ring Screw Works | Madison Heights | Steel Wire Drawing 331222 | LIKELY ACTIVE | 0.2 KM |
| Shannon Precision Fastener | Madison Heights | Iron and Steel Forging 332111 | LIKELY ACTIVE | 0.3 KM |
| Ajax Tocco Magnethermic - Madison Heights | Madison Heights | Metal Heat Treating 332811 | LIKELY ACTIVE | 1.4 KM |
| Stanhope Tool INC | Madison Heights | Electroplating, Plating, Polishing, Anodizing, and Coloring 332813 | UNVERIFIED | 1.4 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
4 sources hold this plant, and 9 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, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord L1LPGB2ZH6G8 · first seen JAN 2026 · last seen JAN 2026
- EPA Toxics Release InventoryOPERATINGfirst seen DEC 2024 · last seen DEC 2024
- EPA Facility Registry ServiceEXISTENCERecord 110000405044 · first seen JUN 2017 · last seen JUN 2017
ALSO RECORDED ASENGINEERED HEAT TREAT INC
IN OAKLAND COUNTY74 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 22 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: ENGINEERED HEAT TREAT INC · JUL 2026
- SAM.gov: ENGINEERED HEAT TREAT, LLC · JAN 2026 · ON THIS PAGE
- Street address
- EPA: 31271 STEPHENSON HWY. · JUL 2026 · ON THIS PAGE
- SAM.gov: 31271 STEPHENSON HWY · JAN 2026 · ON THIS PAGE
- City
- EPA: MADISON HEIGHTS · JUL 2026 · ON THIS PAGE
- SAM.gov: MADISON HEIGHTS · JAN 2026 · ON THIS PAGE
- State
- EPA: MI · JUL 2026 · ON THIS PAGE
- SAM.gov: MI · JAN 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 26125 · SEP 2026
- Coordinates
- EPA: 42.52281,-83.11981 · JUL 2026
- Website
- SAM.gov: http://www.engineeredheattreat.com · JAN 2026
- CAGE code
- SAM.gov: 2L586 · JAN 2026
- SAM registration expires
- SAM.gov: 2027-01-26 · JAN 2026


