Heat Transfer Systems, Inc.
8100 Polk Street, Saint Louis, MO 63111
Operating signal within 24 months, or from a single source.
What they make
Plate Work Manufacturing332313Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Stupp Bros., Inc | St Louis | Fabricated Structural Metal Manufacturing 332312 | LIKELY ACTIVE | 2.0 KM |
| Stupp Bros., INC. | Saint Louis | Iron and Steel Pipe and Tube Manufacturing from Purchased Steel 331210 | ACTIVE | 2.0 KM |
| Fulton Iron and Manufacturing, L.l.c | Saint Louis | Machine Shops 332710 | REPORTED CLOSED | 3.7 KM |
| Empire Fence & Custom Iron Works INC | St Louis | Ornamental and Architectural Metal Work Manufacturing 332323 | LIKELY ACTIVE | 4.7 KM |
| Fedsource INC | Saint Louis | Prefabricated Metal Building and Component Manufacturing 332311 | ACTIVE | 5.3 KM |
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 AIR, AIRS/AFS, MO-DNR, OSHA-OIS · EPA site type STATIONARY.
- OSHA injury and illness reportsOPERATINGRecord 301179 · first seen DEC 2025 · last seen DEC 2025
- EPA Facility Registry ServiceEXISTENCERecord 110001456068 · first seen JAN 2015 · last seen JAN 2015
ALSO RECORDED ASHEAT TRANSFER SYSTEM
IN ST. LOUIS COUNTY27 other plants share this one’s industry (Architectural and Structural Metals Manufacturing, NAICS 3323); 10 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: HEAT TRANSFER SYSTEM · JUL 2026
- Street address
- EPA: 8100 POLK STREET · JUL 2026
- City
- EPA: SAINT LOUIS · JUL 2026
- State
- EPA: MO · JUL 2026
- County (FIPS code)
- EPA: 29510 · SEP 2026
- CoordinatesSOURCES DISAGREE
- Census geocoder: 38.541259858365,-90.258079384055 · JUL 2026 · ON THIS PAGE
- EPA: 38.54092,-90.2586 · JUL 2026
- Employees (band)
- OSHA: 1-19 · DEC 2025