Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,992Inspections Most recent open 2026-07-18 Last loaded 2026-07-22

OSHA Inspection: ONKB CORPORATION

Unprogrammed Other inspection · Safety discipline

On , OSHA opened an unprogrammed Other safety inspection of ONKB CORPORATION in 4551 S. PRAIRIE AVENUE, CHICAGO, IL 60653 (NAICS 238140). OSHA activity number 345952915.

What this inspection record means

OSHA opens inspections for many reasons — routine scheduling under a national or local emphasis program, an employee complaint or referral, or a follow-up after a reported injury. Opening or conducting an inspection is not itself an allegation or a finding that this employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.

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Establishment
ONKB CORPORATION
Site address
4551 S. PRAIRIE AVENUE
City
CHICAGO
State
IL
ZIP
60653
Mailing
3647 N. PACIFIC AVENUE, CHICAGO, IL 60634
Inspection type
Unprogrammed Other (I)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
B
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
238140
Employees
6
Ownership type
A

1 citation on file for this inspection.

1926.501 B09 I

Repeat Gravity 10 1 instance 6 exposed
Issued
Sep 2, 2022
Abate by
Sep 13, 2022
Penalty
Initial $9,571 · Current $3,900 Reduced
29 CFR  1926.501(b)(9)(i): Each employee performing overhand bricklaying and related work 6 feet (1.8 m) or more above lower levels was not protected from falling by guardrail systems, safety net systems, personal fall arrest systems, or a controlled access:  a) On or about  April 29, 2022, at the above addressed jobsite, employees performing masonry activities including, but not limited to, overhand bricklaying on the roof of a building were not using any means of personal fall protection, thereby, exposing employees to fall hazards of approximately twenty eight (28) feet.  The ONKB Corporation was previously cited for a violation of an equivalent occupational safety and health standard 29 CFR 1926.501(b)(1), which was contained in OSHA inspection number 1306882 citation number 1, item number 1 and was affirmed as a final order on July 18, 2018, with respect to a workplace located at 2612 S. Halsted Street, Chicago, IL 60608.
Recent events (2)
  • — I (R) $3900
  • — Z (R) $9571

View Onkb Corporation's full OSHA safety record →

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 345952915.

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