H4 Manufacturing LLC
At a glance
Employees1-19
In business sinceNot reported
Industry
HeadquartersSaint Louis, MO
SAM.gov UEICNTMAPDLCZD3
CAGE code8DLY6
Incorporated inMO
- custom metal
- electrical enclosures
- contractors
- manufacturers
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| H4 Manufacturing LLC | Saint Louis | MO | 1–19 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


