Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,214Inspections Most recent open 2026-07-16 Last loaded 2026-07-20

RANCHO CUCAMONGA, CA —

OSHA Inspection: SIMPSON STRUCTURES, INC.

Planned inspection · Safety discipline

At a glance

On , OSHA opened a planned safety inspection of SIMPSON STRUCTURES, INC. in 11155 JERSEY BLVD., RANCHO CUCAMONGA, CA 91730 (NAICS 000000). OSHA activity number 100946144.

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Where did this inspection happen?

Establishment
SIMPSON STRUCTURES, INC.
Site address
11155 JERSEY BLVD.
City
RANCHO CUCAMONGA
State
CA
ZIP
91730
Mailing
1450 POOLITTLE DRIVE, SAN LEANDRO, CA 94577

What kind of inspection was it?

Inspection type
Planned (H)
Scope
No inspection (D)
Discipline
Safety
Advance notice
No
Union status
B

When did the case open and close?

Opened
Closing conference
Case closed
Data loaded

Establishment context

NAICS code
000000
SIC code (legacy)
2439
Ownership type
A
Industry flags
Manufacturing 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 100946144.