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Employers › CA

Manufacturing · Martinez, CA

Tesoro Refining & Marketing Company LLC

According to OSHA enforcement records (2010–2026), Tesoro Refining & Marketing Company LLC has a mixed safety record: 20 violations across 31 inspections. See the full breakdown below.

Top 1% by penalty40% serious
$189,070
OSHA penalties
20
Violations cited
31
OSHA inspections
#596
of 100,495 penalized employers

Tesoro Refining & Marketing Company LLC in Martinez, CA has been the subject of 31 OSHA workplace inspections and 20 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $189,070. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected Tesoro Refining & Marketing Company LLC 31 times over 9 years - more than twice a year on average. These inspections resulted in 20 violations, averaging 0.6 per inspection, on the lighter side. Its total OSHA penalty ranks in the top 1% of penalized employers nationally. Of these, 8 were classified as serious - indicating hazards that could cause death or serious harm. Against the Manufacturing industry average of 3 inspections per employer, this runs far above peers (12.3x the sector average) on inspection frequency. For comparison, Hankook & Company Es America CORP. in Clarksville, TN is another manufacturing employer with 8 OSHA inspections on record and $189,375 in current penalties.

0.6
violations per inspection
40.0%
of violations were serious
99%
of penalized employers rank lower

How this employer compares on OSHA penalties

Total current penalty vs the Manufacturing per-employer average

in penalties

What this shows Tesoro Refining & Marketing Company LLC runs far above peers (12.3x the sector average) in total OSHA penalties.

Source U.S. Department of Labor, OSHA enforcement extracts As of 2026

Where this penalty ranks nationally

Total current OSHA penalty vs every U.S. employer with a nonzero penalty

$189,070 Bottom 1% least affordable more affordable than 1% of 100,495 U.S. employers with a penalty

$0–$5,000: 44,435 U.S. employers with a penalty (44%). Below this entry. $5,000–$10,000: 20,628 U.S. employers with a penalty (21%). Below this entry. $10,000–$15,000: 11,165 U.S. employers with a penalty (11%). Below this entry. $15,000–$20,000: 6,629 U.S. employers with a penalty (7%). Below this entry. $20,000–$25,000: 4,205 U.S. employers with a penalty (4%). Below this entry. $25,000–$30,000: 2,885 U.S. employers with a penalty (3%). Below this entry. $30,000–$35,000: 2,052 U.S. employers with a penalty (2%). Below this entry. $35,000–$40,000: 1,483 U.S. employers with a penalty (1%). Below this entry. $40,000–$45,000: 1,120 U.S. employers with a penalty (1%). Below this entry. $45,000–$50,000: 792 U.S. employers with a penalty (1%). Below this entry. $50,000+: 5,101 U.S. employers with a penalty (5%). This entry ($189,070) is well above this band, the chart's rightmost open-ended bucket. This employer: $189,070 $0 $55,000+ every penalized U.S. employer, bucketed by value

Each bar is a $5K-wide band; taller bars hold more U.S. employers with a penalty. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Department of Labor, OSHA enforcement extracts · 2026

What the Data Says About Tesoro Refining & Marketing Company LLC

The federal enforcement record for Tesoro Refining & Marketing Company LLC in Martinez, CA includes 31 OSHA inspections and 20 violations, translating to 0.65 violations per inspection. Of those violations, 8 (40.0%) were classified as serious, 0 (0.0%) as willful, and 0 (0.0%) 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 $206,990 in initial penalties against this employer, later adjusted to a current total of $189,070 - a 8.7% reduction. Average penalty per inspection works out to $6,099. Against the Manufacturing industry average of $15,410 per employer, this record runs far above peers (12.3x the sector average).

Inspection activity spans from 2017-04-03 to 2026-04-28, a window of roughly 9 years.

Enforcement detail

OSHA Inspection History

Total Inspections

31

First Inspection

2017-04-03

Last Inspection

2026-04-28

Inspection Span

9 yrs

Violations / Inspection

0.6

Avg Penalty / Inspection

$6,099

Industry Avg / Inspection

$6,092

What this shows 31 inspections over 9 years, averaging 0.6 violations per visit. That's $6,099 per inspection vs. the Manufacturing average of $6,092.

Enforcement detail

Violation Breakdown

8

Serious

40.0% of total

0

Willful

0.0% of total

0

Repeat

0.0% of total

12

Other-Than-Serious

60.0% of total

What this shows 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.

Enforcement detail

Penalty Analysis

Initial Penalty Assessed

$206,990

Current Penalty Amount

$189,070

Penalty Reduction

8.7%

What this shows Penalties were reduced by $17,920 from the initial assessment of $206,990. 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 45,665 employers tracked by PlainWorker.

Metric Tesoro Refining & Marketing Company LLC Industry Avg
Inspections 31 2.5
Violations 20 7.8
Total Penalty $189,070 $15,410
Avg Penalty per Inspection $6,099 $6,092
View all 45,665 employers in Manufacturing →

Nearby & Similar Employers in Manufacturing

Hankook & Company Es America CORP.
Clarksville, TN
8 inspections $189,375
Ellio's
Lodi, NJ
0 inspections $0
Los Angeles Fresh Cut Corp
Los Angeles, CA
0 inspections $0
Aryzta, LLC
San Leandro, CA
3 inspections $22,025
General Dynamics Bath Iron Works
Bath, ME
2 inspections $190,200

Compare Tesoro Refining & Marketing Company LLC vs Hankook & Company Es America CORP. side-by-side →

Frequently Asked Questions

Is Tesoro Refining & Marketing Company LLC safe to work at? ▼
Based on OSHA records, Tesoro Refining & Marketing Company LLC's workplace safety record is mixed, with some compliance concerns. The employer has 20 violations across 31 inspections, including 8 serious violations. Compared to Manufacturing industry peers, this is above average for penalties. Review the full inspection history below for details.
How many OSHA violations does Tesoro Refining & Marketing Company LLC have? ▼
Tesoro Refining & Marketing Company LLC has 20 OSHA violations on record, including 8 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $189,070.
How many OSHA inspections has Tesoro Refining & Marketing Company LLC had? ▼
Tesoro Refining & Marketing Company LLC has had 31 OSHA inspections, with the first recorded on 2017-04-03 and the most recent on 2026-04-28. This averages 0.6 violations per inspection.
What is the total penalty amount for Tesoro Refining & Marketing Company LLC? ▼
Tesoro Refining & Marketing Company LLC has been assessed $189,070 in current OSHA penalties, reduced from an initial assessment of $206,990 (a 8.7% reduction).
Does Tesoro Refining & Marketing Company LLC have any serious or willful violations? ▼
Yes. Tesoro Refining & Marketing Company LLC has 8 serious violations. Serious violations involve hazards likely to cause death or serious physical harm. Willful violations indicate the employer intentionally or knowingly disregarded the law.
What industry does Tesoro Refining & Marketing Company LLC operate in? ▼
Tesoro Refining & Marketing Company LLC operates in the Manufacturing sector (NAICS code 325199). This industry has 45,665 employers tracked by PlainWorker, with 115,522 total OSHA inspections and $703.72M in cumulative penalties.
How does Tesoro Refining & Marketing Company LLC's safety record compare to industry average? ▼
Tesoro Refining & Marketing Company LLC's total OSHA penalty of $189,070 is above the Manufacturing industry average of $15,410 per employer (12.3x the average). The employer has 31 inspections compared to the industry average of 2.5 per employer. For a direct comparison, Hankook & Company Es America CORP. in Clarksville, TN is a similar manufacturing employer with $189,375 in current penalties.

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What to check next

Tesoro Refining & Marketing Company LLC's record is one establishment in a larger pattern. Use it as a research checklist, not a verdict on the employer overall.

These figures are the federal enforcement record on file and reflect past inspections, not a statement about current workplace conditions. See the disclaimer for how to read them.

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.

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Every figure on PlainWorker is rendered directly from official U.S. Department of Labor OSHA and Wage & Hour Division enforcement records, no number is typed in by an editor. This employer's ratios (penalty-per-violation, industry comparisons) are computed live from the 31 inspections on record. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.