Stupp Bros., INC.
3800 Weber Rd, Saint Louis, MO 63125
Operating signal within 12 months from two or more independent sources.
What they make
Iron and Steel Pipe and Tube Manufacturing from Purchased Steel331210- steel
- data collection solution
- fabrication
- bridges
- buildings
- healthcare facilities
- convention centers
- sporting venues
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 30, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Fedsource INC | Saint Louis | Prefabricated Metal Building and Component Manufacturing 332311 | ACTIVE | 3.4 KM |
| Car-anth Manufacturing INC. | Saint Louis | Steel Wire Drawing 331222 | LIKELY ACTIVE | 5.0 KM |
| Essex Industries, INC. | Saint Louis | Aircraft Manufacturing 336411 | ACTIVE | 4.8 KM |
| Pittsburgh Pipe & Supply CORP. | Saint Louis | Iron and Steel Pipe and Tube Manufacturing from Purchased Steel 331210 | LIKELY ACTIVE | 7.2 KM |
| Gross Mechanical Contractors, INC. | Maplewood | Iron and Steel Pipe and Tube Manufacturing from Purchased Steel 331210 | UNVERIFIED | 7.1 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
5 sources hold this plant, and 12 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, NCDB, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord GCSFC8BHPB43 · first seen MAR 2026 · last seen OCT 2026
- OSHA injury and illness reportsOPERATINGRecord 135023 · first seen DEC 2025 · last seen DEC 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 430542490|MO|63125|3800 weber rd · first seen JUN 2025 · last seen JUN 2025
- EPA Facility Registry ServiceEXISTENCERecord 110000441433 · first seen DEC 2015 · last seen DEC 2015
ALSO RECORDED ASSTUPP BROTHERS BRIDGE & IRON CO
IN ST. LOUIS COUNTY14 other plants share this one’s industry (Steel Product Manufacturing from Purchased Steel, NAICS 3312); 9 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.
- NameSOURCES DISAGREE
- EPA: STUPP BROTHERS BRIDGE & IRON CO · JUL 2026
- SAM.gov: STUPP BROS., INC. · ON THIS PAGE
- Street addressSOURCES DISAGREE
- EPA: 3800 WEBER ROAD · JUL 2026
- SAM.gov: 3800 WEBER RD · ON THIS PAGE
- City
- EPA: SAINT LOUIS · JUL 2026 · ON THIS PAGE
- SAM.gov: SAINT LOUIS · ON THIS PAGE
- State
- EPA: MO · JUL 2026 · ON THIS PAGE
- SAM.gov: MO · ON THIS PAGE
- County (FIPS code)
- EPA: 29189 · SEP 2026
- Coordinates
- Census geocoder: 38.550697062766,-90.278281164901 · JUL 2026 · ON THIS PAGE
- EPA: 38.550887,-90.27843 · JUL 2026 · ON THIS PAGE
- Employees (band)
- OSHA: 20-99 · DEC 2025
- Website
- SAM.gov: www.stupp.com
- CAGE code
- SAM.gov: 0E8J1
- Retirement plan filing (Form 5500)
- DOL: 345 active participants, plan year ending 2025-06-30, 3 plan(s) · JUN 2025
- SAM registration expires
- SAM.gov: 2027-03-16
- State business registration
- KY SOS: STUPP BROS., INC., registered with the Kentucky Secretary of State; Corporation formed in Missouri; registered 1998-08-13; active, annual report filed 2026-08-19 · AUG 2026