1,224,460Inspections Most recent open 2026-07-13 Last loaded 2026-07-16
Safety Incidents OSHA Severe Injury Reports · 2015–2025

CHICAGO, IL —

OSHA Inspection: NORTHERN MASON CONTRACTORS INC

Planned inspection · Safety discipline

At a glance

On , OSHA opened a planned safety inspection of NORTHERN MASON CONTRACTORS INC in 240 E ONTARIO ST, CHICAGO, IL 60611 (NAICS 000000). OSHA activity number 2220226.

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Where did this inspection happen?

Establishment
NORTHERN MASON CONTRACTORS INC
Site address
240 E ONTARIO ST
City
CHICAGO
State
IL
ZIP
60611
Mailing
2311 MAIN ST, EVANSTON, IL 60202

What kind of inspection was it?

Inspection type
Planned (H)
Scope
Complete (A)
Discipline
Safety
Advance notice
No
Union status
A

When did the case open and close?

Opened
Closing conference
Case closed
Data loaded

Establishment context

NAICS code
000000
SIC code (legacy)
1741
Employees
4
Ownership type
A
Industry flags
Construction safety.

Citations

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.

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Source

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 2220226.