Holtec Gas Systems, LLC
979 Portwest Drive, Suite 101, Saint Charles, MO 63303
LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 1 SOURCE
Operating signal within 24 months, or from a single source.
What they make
All Other Miscellaneous General Purpose Machinery Manufacturing333998Where it is
38.75533, -90.53212 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| C.m. Products LLC | Saint Peters | Conveyor and Conveying Equipment Manufacturing 333922 | ACTIVE | 5.8 KM |
| Beltservice CORP | Earth City | Rubber and Plastics Hoses and Belting Manufacturing 326220 | UNVERIFIED | 5.1 KM |
| Bastian Robotics | Maryland Heights | Conveyor and Conveying Equipment Manufacturing 333922 | LIKELY ACTIVE | 5.3 KM |
| Seyer Industries, INC. | Saint Peters | Machine Shops 332710 | ACTIVE | 6.4 KM |
| Dynamic Automation CORP | Earth City | Packaging Machinery Manufacturing 333993 | UNVERIFIED | 6.0 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 2 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.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.