272,276Inspections Most recent open 2026-07-02 Last loaded 2026-07-06
Safety Incidents OSHA Severe Injury Reports · 2015–2025

OSHA Inspection: MASON & HANGER-SILAS MASON CO., INC.

Planned inspection · Health discipline

On , OSHA opened a planned health inspection of MASON & HANGER-SILAS MASON CO., INC. in IOWA ARMY AMMUNITION PLANT, MIDDLETOWN, IA 52638 (NAICS 000000). OSHA activity number 2135549.

Site address
IOWA ARMY AMMUNITION PLANT
City
MIDDLETOWN
State
IA
ZIP
52638
Inspection type
Planned (H)
Scope
Partial (B)
Discipline
Health
Advance notice
No
Union status
A
Opened
Closing conference
Case closed
Data loaded
NAICS code
000000
SIC code (legacy)
3483
Employees
1100
Ownership type
A

No citations on file for this inspection. OSHA's citation feed is backfilled in rolling windows; this inspection may have been closed without violations, or its citation rows may not have been ingested yet.

This record is reproduced from the U.S. Department of Labor Open Data API (OSHA inspection dataset). The original IMIS detail view is available at OSHA's Establishment Search for activity number 2135549.