Heat Transfer Systems, Inc.
8100 Polk Street, Saint Louis, MO 63111
LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 2 SOURCES
Operating signal within 24 months, or from a single source.
What they make
Plate Work Manufacturing332313Where it is
38.54126, -90.25808 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Stupp Bros., INC. | Saint Louis | Iron and Steel Pipe and Tube Manufacturing from Purchased Steel 331210 | ACTIVE | 2.0 KM |
| Ben Hur Steel Worx | Saint Louis | Fabricated Structural Metal Manufacturing 332312 | UNVERIFIED | 2.1 KM |
| Fulton Iron and Manufacturing, L.l.c | Saint Louis | Machine Shops 332710 | ACTIVE | 3.7 KM |
| Empire Fence | Saint Louis | Fabricated Structural Metal Manufacturing 332312 | UNVERIFIED | 4.7 KM |
| Empire Fence & Custom Iron Works INC | Saint Louis | Ornamental and Architectural Metal Work Manufacturing 332323 | LIKELY ACTIVE | 4.7 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 6 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in AIR, AIRS/AFS, MO-DNR, OSHA-OIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| EPA FRS | EXISTENCE | JAN 2015 | JAN 2015 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.