TESORO REFINING & MARKETING COMPANY LLC
2350 E. 223RD STREET, CARSON, CA 90810 · Manufacturing
TESORO REFINING & MARKETING COMPANY LLC in CARSON, CA has been the subject of 21 OSHA workplace inspections and 48 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $225,980. Industry sector: Manufacturing. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.
Safety Assessment
TESORO REFINING & MARKETING COMPANY LLC has been inspected 21 times by OSHA over 10 years. These inspections resulted in 48 violations, averaging 2.3 violations per inspection. Of these, 8 were classified as serious — indicating hazards that could cause death or serious harm. Compared to the Manufacturing industry average of 3 inspections per employer, TESORO REFINING & MARKETING COMPANY LLC has been inspected more frequently.
What the Data Says About TESORO REFINING & MARKETING COMPANY LLC
The federal enforcement record for TESORO REFINING & MARKETING COMPANY LLC in CARSON, CA includes 21 OSHA inspections and 48 violations, translating to 2.29 violations per inspection. Of those violations, 8 (16.7%) were classified as serious, 0 (0.0%) as willful, and 3 (6.3%) as repeat. Serious violations denote hazards likely to cause death or serious physical harm; willful and repeat categories indicate intentional disregard or recurrence of previously cited hazards.
OSHA assessed $274,630 in initial penalties against this employer, later adjusted to a current total of $225,980 — a 17.7% reduction. Average penalty per inspection works out to $10,761. Against the Manufacturing industry average of $16,300 per employer, this record runs above peers.
Inspection activity spans from 2015-11-18 to 2025-07-21, a window of roughly 10 years. This record draws directly from the U.S. Department of Labor's public enforcement data at data.dol.gov. Penalty amounts reflect final adjudicated figures after any settlement, informal conference, or formal contest. Workers, journalists, and researchers can use these figures to compare this employer's compliance posture against industry peers and to identify workplaces with elevated safety risks or repeat non-compliance.
OSHA Inspection History
Violation Breakdown
Serious violations involve hazards that could cause death or serious physical harm. Willful violations indicate intentional or knowing disregard of the law. Repeat violations are for hazards previously cited within the past 5 years.
Penalty Analysis
Penalties were reduced by $48,650 from the initial assessment of $274,630. Reductions may result from informal settlements, formal contests, or negotiated agreements with OSHA.
Industry Safety Context: Manufacturing
How TESORO REFINING & MARKETING COMPANY LLC compares to the Manufacturing sector, which has 14,000 employers tracked by PlainWorker.
| Metric | TESORO REFINING & MARKETING COMPANY LLC | Industry Avg |
|---|---|---|
| Inspections | 21 | 2.5 |
| Violations | 48 | 8.0 |
| Total Penalty | $225,980 | $16,300 |
| Avg Penalty per Inspection | $10,761 | $6,447 |
Related Data from Other Sources
See BLS salary data for Manufacturing occupations on WageDex — including median wages, employment levels, and wage trends.
WageDex — wagedex.com →Look up TESORO REFINING & MARKETING COMPANY LLC's composite safety grade on PlainSafetyScore — aggregated from OSHA, injury rates, and industry benchmarks.
PlainSafetyScore — plainsafetyscore.com →Explore BLS labor statistics for CA on PlainLabor — employment levels, unemployment rates, and workforce trends.
PlainLabor — plainlabor.com →Look up TESORO REFINING & MARKETING COMPANY LLC's workforce composition on PlainEmploy — EEO-1 data including job categories and demographic breakdowns from EEOC filings.
PlainEmploy — plainemploy.com →Workplace Safety Guides
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Related Data Sources
Data Sources & Methodology
Data as of 2026. Source: U.S. Department of Labor (OSHA, WHD).
Source: OSHA Enforcement Data
Inspection and violation records from the Occupational Safety and Health Administration (OSHA), U.S. Department of Labor, covering the period 2010–2026. Includes inspection dates, violation types (serious, willful, repeat, other-than-serious), and penalty amounts. Penalties shown are current assessed amounts and may differ from original citations due to settlement, contest, or reduction.
Source: Wage and Hour Division (WHD)
Compliance actions from the WHD, covering enforcement of the Fair Labor Standards Act (FLSA), including minimum wage, overtime, and child labor violations. Back wages represent amounts owed to affected employees as determined by WHD investigations.
Employer Matching
Employers are matched across OSHA and WHD datasets by name, state, and city. Employers included in PlainWorker have 2 or more OSHA inspections or $1,000+ in WHD back wages. Data is updated monthly from data.dol.gov.