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TESORO REFINING & MARKETING COMPANY LLC is a petroleum refineries employer in MARTINEZ, CA. Federal records show 77 OSHA inspections with 57 violations and $417,200 in penalties. 1 Wage & Hour Division enforcement case on record. 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: April 30, 2026.

TESORO REFINING & MARKETING COMPANY LLC

150 SOLANO WAY, MARTINEZ, CA, 94553

324110 Top companies in Petroleum Refineries

670 employees

Federal Enforcement
77
OSHA inspections
57 violations
$417,200 in penalties
Violations across 3 federal agencies
Enforcement actions from multiple agencies may indicate systemic compliance issues.
5 hospitalizations4 National Emphasis Program inspections26 OSHA follow-up inspections

Industry Benchmark

Industry Avg TRIR
0.4
Industry Avg DART
0.2
Self-Reported DART
0.0
Self-Reported TRIR
0.0
Industry rates from BLS SOII 2024. Self-reported rates from OSHA ITA Form 300A (employer self-reported).
OSHA Inspections
77
OSHA Violations
57
Total Penalties
$417,200
Trend
IMPROVING
WHD Cases
1
Back Wages Owed
$29,729.96
Confidence
HIGH
SVEP Flag
Yes

Data Insights

History Span
28 years
Last Activity
55 days ago
Inspection Rate
2.8/yr
Violation Rate
2/yr
Violation Severity Mix
35% serious$7,319 avg per violation$5,418 avg per inspection
Avg Back Wages / Employee
$29,730
Avg Back Wages / Case
$29,730
Active Agencies:
OSHAWHDNLRB$446,929.96 total across all agencies
TRIR vs Industry Avg
-0.4
Below industry average
DART vs Industry Avg
-0.2
Below industry average

Inspection Breakdown

Planned
13
Complaint
20
Accident
6
Referral
4
Complaint and accident-triggered inspections are stronger risk signals than routine planned inspections.
Violation rate: 17% of inspections
Recidivism: 5 inspections with serious+ violations

Peer Comparison

99%
Worse than most peers
vs 341 employers in same industry & state
Fewer violationsMore violations
Penalty Percentile
99%
Inspection Frequency Percentile
100%

Labor Relations (NLRB)

Total Cases
16
Unfair Labor Practice
15
National Labor Relations Board — unfair labor practice charges and union representation cases.

Environmental Compliance (EPA)

EPA Inspections
2
Quarters Non-Compliant
0
Status: No Violation Identified
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 →
More in this industry: Petroleum Refineries enforcement data →

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.

Other employers in Petroleum Refineries within CA

Industry context

Within the petroleum refineries industry in CA, TESORO REFINING & MARKETING COMPANY LLC ranks in the 99th percentile of OSHA violation frequency across 341 comparable establishments. That places this employer among the highest-violation establishments in its peer set.

OSHA penalty totals rank in the 99th 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 0.4 for the petroleum refineries sector, with a Days Away, Restricted, or Transferred (DART) rate of 0.2. TESORO REFINING & MARKETING COMPANY LLC's self-reported DART rate is 0, which is below the industry average.

Activity timeline

Frequently Asked Questions

What is TESORO REFINING & MARKETING COMPANY LLC's OSHA violation history?
TESORO REFINING & MARKETING COMPANY LLC has 77 OSHA inspections on record with 57 violations and $417,200 in total penalties.
How does TESORO REFINING & MARKETING COMPANY LLC's safety record compare to its industry?
TESORO REFINING & MARKETING COMPANY LLC operates in the petroleum refineries industry. The industry average Total Recordable Incident Rate (TRIR) is 0.4. TESORO REFINING & MARKETING COMPANY LLC's self-reported DART rate is 0 compared to an industry average of 0.2.

About this data

This profile aggregates federal enforcement records on TESORO REFINING & MARKETING COMPANY LLC of MARTINEZ, CA from 17 federal data sources. Records were found in 5 sources: OSHA workplace safety inspections, DOL Wage and Hour Division enforcement, EPA ECHO environmental compliance, NLRB labor relations cases, and BLS industry safety benchmarks. The remaining 12 sources were checked and found no matching records: MSHA, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement, SEC facts.

Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on April 30, 2026. OSHA accident records on file for TESORO REFINING & MARKETING COMPANY LLC include 5 hospitalizations.

This profile may be incomplete if TESORO REFINING & MARKETING COMPANY LLCoperates 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.