Manufacturing · Martinez, CA

Tesoro Refining & Marketing Company LLC

According to OSHA enforcement records (2010–2026), Tesoro Refining & Marketing Company LLC ranks #408 of 99,447 penalized U.S. employers by total current penalty, with a mixed safety record: 31 violations across 36 inspections.

Top 1% by penalty35% serious

Compiled by Plainworker · September 6, 2026

$233,420
OSHA penalties: 31
Violations cited: 36
OSHA inspections: #408
of 99,447 penalized employers

Tesoro Refining & Marketing Company LLC in Martinez, CA has been the subject of 36 OSHA workplace inspections and 31 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $233,420. 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 36 times over 12 years - more than twice a year on average. These inspections resulted in 31 violations, averaging 0.9 per inspection, on the lighter side. According to OSHA enforcement records, its total current penalty ranks #408 of 99,447 penalized U.S. employers (the top 1% of penalized employers nationally). Of these, 11 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 (13.9x the sector average) on inspection frequency. For comparison, Dean Sausage Company, Incorporated in Attalla, AL is another manufacturing employer with 7 OSHA inspections on record and $233,451 in current penalties.

0.9
violations per inspection: 35.5%
of violations were serious: #408
of 99,447 penalized employers

Compliance score

C 77/100

C OSHA safety compliance: 31 violations across 36 OSHA inspections (0.9 per inspection), vs. national p10 0.0 (best) / p90 5.5 (worst) among 145,626 inspected employers.

Channels are separate federal datasets: a dimension marked not applicable simply has no record in that dataset for this employer, not a good or bad score.

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Tesoro Refining & Mark…

$233,420
Manufacturing avg

$15,763

What this shows Tesoro Refining & Marketing Company LLC runs far above peers (14.8x the sector average) in total OSHA penalties.

Where this penalty ranks nationally

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

$233,420 Bottom 1% least affordable more affordable than 0% of 99,447 U.S. employers with a penalty

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

Does more inspection scrutiny mean more findings?

Each dot is one of 21 Manufacturing employers with an OSHA inspection on record, placed by inspections and violations cited. The highlighted dot is Tesoro Refining & Marketing Company LLC.

Tesoro Refining & Marketing Company LLC has 36 OSHA inspections on record and 31 violations cited. The crosshair marks the median among these Manufacturing peers. Across this sector's tracked employers, more inspections is moderately associated with more violations found -- not a coincidence, but not a guarantee either.

Tesoro Refining & Marketing Company LLC in the Manufacturing enforcement ledger

Among 35,243 Manufacturing employers with OSHA penalties on file, Tesoro Refining & Marketing Company LLC ranks #239 at $233,420 current penalty.

How Tesoro Refining & Marketing Company LLC Compares

Tesoro Refining & Marketing Company LLC's 0.86 violations per inspection compares to the Manufacturing sector average of 8.0 violations per employer.

Against the Manufacturing industry average of $15,763 per employer, this employer's current OSHA penalty runs far above peers (14.8x the sector average).

Total Inspections

First Inspection

2014-02-12

Last Inspection

2026-04-28

Inspection Span

12 yrs

Violations / Inspection

0.9

Avg Penalty / Inspection

$6,484

Industry Avg / Inspection

$6,093

What this shows 36 inspections over 12 years, averaging 0.9 violations per visit. That's $6,484 per inspection vs. the Manufacturing average of $6,093.

Serious

35.5% of total

Willful

0.0% of total

Repeat

0.0% of total

Other-Than-Serious

64.5% 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.

Initial Penalty Assessed

$260,660

Current Penalty Amount

$233,420

Penalty Reduction

10.5%

What this shows Penalties were reduced by $27,240 from the initial assessment of $260,660. 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 44,645 employers tracked by PlainWorker.

Metric	Tesoro Refining & Marketing Company LLC	Industry Avg
Inspections	36	2.6
Violations	31	8.0
Total Penalty	$233,420	$15,763
Avg Penalty per Inspection	$6,484	$6,093

View all 44,645 employers in Manufacturing →

Nationwide Manufacturing peers with similar penalties or inspection counts

Two OSHA-record peer sets for Tesoro Refining & Marketing Company LLC, both outside CA so the neighborhoods are not geographic containment.

Similar current OSHA penalty

Nearest same-sector employers by current assessed penalty ($233,420 here).

Dean Sausage Company, Incorporated $233,451 AL Abb INC. $233,806 VA W.D. Townley and Son Lumber Company, INC. $233,823 TX Henry Company LLC $233,901 NV

Similar OSHA inspection count

Same-sector employers with a comparable inspection history outside this state (36 inspections here).

The Goodyear Tire & Rubber Company 36 insp. Danville, VA Neapco Drivelines LLC 36 insp. Belleville, MI Michigan Sugar Company 34 insp. Bay City, MI Bradford White Corporation 32 insp. Middleville, MI

Nearby & Similar Employers in Manufacturing

Showing 5 of 44644 other employers tracked in this sector.

Dean Sausage Company, Incorporated

Attalla, AL

7 inspections $233,451

Abb INC.

Bland, VA

4 inspections $233,806

W.D. Townley and Son Lumber Company, INC.

Henderson, TX

2 inspections $233,823

Providien Injection Molding, Inc.

3 inspections $233,901

Compare Tesoro Refining & Marketing Company LLC vs Dean Sausage Company, Incorporated side-by-side →

What to do with this record

Use Tesoro Refining & Marketing Company LLC's enforcement history as one data point, not the whole picture.

A single employer's record can look unusual in isolation. Compare Tesoro Refining & Marketing Company LLC against Dean Sausage Company, Incorporated, a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
See whether Tesoro Refining & Marketing Company LLC's inspection and penalty record is typical for Manufacturing or an outlier against the sector's own average. View the Manufacturing sector
Before you accept a job or raise a safety concern, search any employer for its own OSHA inspection history the same way you found this one. Search employers

Figures reflect closed OSHA and WHD federal enforcement actions on record (2010–2026); not every workplace issue results in an inspection or investigation.

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 31 violations across 36 inspections, including 11 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 31 OSHA violations on record, including 11 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $233,420.

How many OSHA inspections has Tesoro Refining & Marketing Company LLC had? ▼

Tesoro Refining & Marketing Company LLC has had 36 OSHA inspections, with the first recorded on 2014-02-12 and the most recent on 2026-04-28. This averages 0.9 violations per inspection.

What is the total penalty amount for Tesoro Refining & Marketing Company LLC? ▼

Tesoro Refining & Marketing Company LLC has been assessed $233,420 in current OSHA penalties, reduced from an initial assessment of $260,660 (a 10.5% reduction).

Does Tesoro Refining & Marketing Company LLC have any serious or willful violations? ▼

Yes. Tesoro Refining & Marketing Company LLC has 11 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 44,645 employers tracked by PlainWorker, with 115,492 total OSHA inspections and $703.72M in cumulative penalties.

Where does Tesoro Refining & Marketing Company LLC rank nationally on OSHA penalties? ▼

Among the 99,447 U.S. employers with a nonzero current OSHA penalty in PlainWorker's corpus, Tesoro Refining & Marketing Company LLC ranks #408 (the top 1% of penalized employers nationally). The ordinal is a live COUNT of employers with a lower total_current_penalty; see the methodology page for the exact derivation.

How does Tesoro Refining & Marketing Company LLC's safety record compare to industry average? ▼

Tesoro Refining & Marketing Company LLC's total OSHA penalty of $233,420 is above the Manufacturing industry average of $15,763 per employer (14.8x the average). The employer has 36 inspections compared to the industry average of 2.6 per employer. For a direct comparison, Dean Sausage Company, Incorporated in Attalla, AL is a similar manufacturing employer with $233,451 in current penalties.

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.