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TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY is a petroleum refineries employer in WILMINGTON, CA. Federal records show 1 OSHA inspection with 3 violations and $560 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 3, 2026.

TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY

2101 E PACIFIC COAST HIGHWAY, WILMINGTON, CA, 90744

Parent: Marathon Petroleum Corp (94 locations)

324110 Top companies in Petroleum Refineries

Federal Enforcement
1
OSHA inspection
3 violations
$560 in penalties
Violations across 3 federal agencies
Enforcement actions from multiple agencies may indicate systemic compliance issues.

Industry Benchmark

Industry Avg TRIR
0.4
Industry Avg DART
0.2
Industry rates from BLS SOII 2024. Self-reported rates from OSHA ITA.
OSHA Inspections
1
OSHA Violations
3
Total Penalties
$560
Trend
STABLE
WHD Cases
0
Back Wages Owed
$0
Confidence
MEDIUM
SVEP Flag
No

Data Insights

History Span
9 years
Last Activity
9yr ago
Inspection Rate
0.1/yr
Violation Rate
0.3/yr
Violation Severity Mix
33% serious$187 avg per violation$560 avg per inspection
Active Agencies:
OSHAEPANLRB$560 total across all agencies

Inspection Breakdown

Planned
1
Complaint and accident-triggered inspections are stronger risk signals than routine planned inspections.
Violation rate: 100% of inspections

Peer Comparison

70%
Above average violations
vs 341 employers in same industry & state
Fewer violationsMore violations
Penalty Percentile
61%

Labor Relations (NLRB)

Total Cases
2
Unfair Labor Practice
2
National Labor Relations Board — unfair labor practice charges and union representation cases.

Environmental Compliance (EPA)

EPA Inspections
8
Quarters Non-Compliant
12
Status: Significant Violation
EPA Enforcement and Compliance History — Clean Air Act, Clean Water Act, RCRA, Safe Drinking Water Act.

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Inspection History

No inspection records found.

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More employers in this state: California workplace enforcement data →
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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

TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY is one of 94 establishments in our dataset that roll up under the parent organization Marathon Petroleum Corp. Marathon Petroleum Corp is a SEC public reporter (MPC), with most recent reported revenue of $132.7B.

Federal enforcement records on TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY represent activity at this specific establishment. The full enforcement footprint of Marathon Petroleum Corp across all 94 of its tracked locations is viewable on the parent profile.

Other establishments operated by Marathon Petroleum Corp

Other employers in Petroleum Refineries within CA

Industry context

Within the petroleum refineries industry in CA, TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY ranks in the 70th percentile of OSHA violation frequency across 341 comparable establishments.

OSHA penalty totals rank in the 61th percentile of the same peer group.

The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 0.4 for the petroleum refineries sector, with a Days Away, Restricted, or Transferred (DART) rate of 0.2.

Activity timeline

No federal enforcement activity has been recorded against this establishment in the past 10 years.

Frequently Asked Questions

What is TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY's OSHA violation history?
TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY has 1 OSHA inspection on record with 3 violations and $560 in total penalties.
How does TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY's safety record compare to its industry?
TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY operates in the petroleum refineries industry. The industry average Total Recordable Incident Rate (TRIR) is 0.4.

About this data

This profile aggregates federal enforcement records on TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY of WILMINGTON, CA from 17 federal data sources. Records were found in 5 sources: OSHA workplace safety inspections, EPA ECHO environmental compliance, NLRB labor relations cases, SEC XBRL companyfacts (parent financials), and BLS industry safety benchmarks. The remaining 12 sources were checked and found no matching records: WHD, MSHA, OFLC, OFCCP, FMCSA, 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 3, 2026. TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERY resolves to the parent rollup Marathon Petroleum Corp, which operates 94 establishments in our dataset.

This profile may be incomplete if TESORO REFINING AND MARKETING LLC LOS ANGELES REFINERYoperates 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.