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Stupp Bros., Inc

3800 Weber Rd, St Louis, MO 63125

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 1 SOURCE

Operating signal within 24 months, or from a single source.

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What they make

Fabricated Structural Metal Manufacturing332312

Where it is

38.55070, -90.27828 · CENSUS TIGER
COUNTY
METRO AREA
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Other plants nearby

FacilityCityIndustryStatusDistance
Stupp Bros., INC.Saint LouisIron and Steel Pipe and Tube Manufacturing from Purchased Steel
331210
ACTIVE0.0 KM
Heat Transfer Systems, Inc.Saint LouisPlate Work Manufacturing
332313
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Fulton Iron and Manufacturing, L.l.cSaint LouisMachine Shops
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Fedsource INCSaint LouisPrefabricated Metal Building and Component Manufacturing
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Empire Fence & Custom Iron Works INCSt LouisOrnamental and Architectural Metal Work Manufacturing
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Every listed plant in St. Louis County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 3 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.

  • OSHA injury and illness reportsOPERATING
    Record 135023 · first seen DEC 2025 · last seen DEC 2025

IN ST. LOUIS COUNTY39 other plants share this one’s industry (Architectural and Structural Metals Manufacturing, NAICS 3323); 19 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.

Coordinates
Census geocoder: 38.550697062766,-90.278281164901 · SEP 2026
Employees (band)
OSHA: 20-99 · DEC 2025
State business registration
CO SOS: Stupp Bros., Inc., registered with the Colorado Secretary of State; Corporation formed in Missouri; registered 2016-06-28; active, annual report filed 2023-10-24 · OCT 2023

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