Skip to main content

CALIFORNIA STEEL INDUSTRIES INC is a iron and steel mills and ferroalloy manufacturing employer in FONTANA, CA. Federal records show 20 OSHA inspections with 10 violations and $42,525 in penalties. All data sourced from public federal enforcement records.

Data sourced from OSHA, DOL WHD, MSHA, EPA ECHO, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA, and the UVA Corporate Prosecution Registry. Last updated: May 2, 2026.

CALIFORNIA STEEL INDUSTRIES INC

1 CALIFORNIA STEEL WAY, FONTANA, CA, 92335

Parent: NUCOR CORP (94 locations)

331110 Top companies in Iron and Steel Mills and Ferroalloy Manufacturing

869 employees

Federal Enforcement
20
OSHA inspections
10 violations
$42,525 in penalties
Violations across 2 federal agencies
Enforcement actions from multiple agencies may indicate systemic compliance issues.
10 hospitalizations1 OSHA follow-up inspections

Industry Benchmark

Industry Avg TRIR
1.9
Industry Avg DART
1.3
Self-Reported DART
2.9
Self-Reported TRIR
3.3
Industry rates from BLS SOII 2024. Self-reported rates from OSHA ITA Form 300A (employer self-reported).
OSHA Inspections
20
OSHA Violations
10
Total Penalties
$42,525
Trend
STABLE
WHD Cases
0
Back Wages Owed
$0
Confidence
HIGH
SVEP Flag
No

Data Insights

History Span
27 years
Last Activity
2yr ago
Inspection Rate
0.7/yr
Violation Rate
0.4/yr
Violation Severity Mix
40% serious$4,253 avg per violation$2,126 avg per inspection
Active Agencies:
OSHAEPA$268,572 total across all agencies
TRIR vs Industry Avg
+1.4
Above industry average
DART vs Industry Avg
+1.6
Above industry average

Inspection Breakdown

Accident
19
Complaint and accident-triggered inspections are stronger risk signals than routine planned inspections.
Violation rate: 20% of inspections
Recidivism: 2 inspections with serious+ violations

Peer Comparison

91%
Worse than most peers
vs 81 employers in same industry & state
Fewer violationsMore violations
Penalty Percentile
96%
Inspection Frequency Percentile
100%

Environmental Compliance (EPA)

EPA Inspections
7
Quarters Non-Compliant
12
Formal Actions
1
EPA Penalties
$226,047
Status: Significant Violation
EPA Enforcement and Compliance History — Clean Air Act, Clean Water Act, RCRA, Safe Drinking Water Act.

Motor Carrier Safety (FMCSA)

DOT Number
534126
Operation Type
C
Federal Motor Carrier Safety Administration — DOT-regulated carrier registration and fleet data.

Need API access, CSV upload, or PDF reports? Upgrade to Paid for $79/mo.

Inspection History

No inspection records found.

Loading news...

The FastDOL Report

Weekly workplace compliance news. Free.

Data aggregated from public federal enforcement and program records (OSHA, WHD, MSHA, EPA, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA) plus the UVA Corporate Prosecution Registry. Employer profiles matched by name and location — matching errors may occur. Risk scores computed by FastDOL, not official government assessments. OSHA citations typically appear 3-8 months after the inspection, so very recent enforcement actions may not yet be reflected. Data provided as-is. Report a data error.

Part of a larger organization

CALIFORNIA STEEL INDUSTRIES INC is one of 94 establishments in our dataset that roll up under the parent organization NUCOR CORP. NUCOR CORP is a SEC public reporter (NUE), with most recent reported revenue of $32.5B.

Federal enforcement records on CALIFORNIA STEEL INDUSTRIES INC represent activity at this specific establishment. The full enforcement footprint of NUCOR CORP across all 94 of its tracked locations is viewable on the parent profile.

Other establishments operated by NUCOR CORP

Other employers in Iron and Steel Mills and Ferroalloy Manufacturing within CA

Industry context

Within the iron and steel mills and ferroalloy manufacturing industry in CA, CALIFORNIA STEEL INDUSTRIES INC ranks in the 91th percentile of OSHA violation frequency across 81 comparable establishments. That places this employer among the highest-violation establishments in its peer set.

OSHA penalty totals rank in the 96th percentile of the same peer group. Inspection frequency ranks in the 100th percentile.

The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 1.9 for the iron and steel mills and ferroalloy manufacturing sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.3. CALIFORNIA STEEL INDUSTRIES INC's self-reported DART rate is 2.92, which is above the industry average.

Activity timeline

No federal enforcement activity has been recorded against this establishment in the past 24 months.

Frequently Asked Questions

What is CALIFORNIA STEEL INDUSTRIES INC's OSHA violation history?
CALIFORNIA STEEL INDUSTRIES INC has 20 OSHA inspections on record with 10 violations and $42,525 in total penalties.
How does CALIFORNIA STEEL INDUSTRIES INC's safety record compare to its industry?
CALIFORNIA STEEL INDUSTRIES INC operates in the iron and steel mills and ferroalloy manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 1.9. CALIFORNIA STEEL INDUSTRIES INC's self-reported DART rate is 2.92 compared to an industry average of 1.3.

About this data

This profile aggregates federal enforcement records on CALIFORNIA STEEL INDUSTRIES INC of FONTANA, CA from 17 federal data sources. Records were found in 5 sources: OSHA workplace safety inspections, EPA ECHO environmental compliance, FMCSA motor carrier safety, SEC XBRL companyfacts (parent financials), and BLS industry safety benchmarks. The remaining 12 sources were checked and found no matching records: WHD, MSHA, NLRB, OFLC, OFCCP, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement.

Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 2, 2026. CALIFORNIA STEEL INDUSTRIES INC resolves to the parent rollup NUCOR CORP, which operates 94 establishments in our dataset. OSHA accident records on file for CALIFORNIA STEEL INDUSTRIES INC include 10 hospitalizations.

This profile may be incomplete if CALIFORNIA STEEL INDUSTRIES INCoperates under multiple legal names, files under variations our entity-matching rules don't yet cover, or maintains records below current matching thresholds. To report a missing record or correction, email corrections@fastdol.com.