Mining, Quarrying, Oil & Gas · Grass Valley, CA

Hansen Bros. Enterprises

According to OSHA enforcement records (2010–2026), Hansen Bros. Enterprises ranks #41,873 of 99,447 penalized U.S. employers by total current penalty, with a relatively clean safety record: 12 violations across 15 inspections.

Upper half by penalty0% serious
$7,930
OSHA penalties
12
Violations cited
15
OSHA inspections
#41,873
of 99,447 penalized employers

Hansen Bros. Enterprises in Grass Valley, CA has been the subject of 15 OSHA workplace inspections and 12 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $7,930. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected Hansen Bros. Enterprises 15 times over 16 years, roughly once every couple of years. These inspections resulted in 12 violations, averaging 0.8 per inspection, on the lighter side. According to OSHA enforcement records, its total current penalty ranks #41,873 of 99,447 penalized U.S. employers (the upper half of penalized employers nationally). Against the Mining, Quarrying, Oil & Gas industry average of 2 inspections per employer, this runs far above peers (6.7x the sector average) on inspection frequency. For comparison, Union Drilling INC. in Midland, TX is another mining, quarrying, oil & gas employer with 3 OSHA inspections on record and $7,940 in current penalties.

0.8
violations per inspection
0.0%
of violations were serious
#41,873
of 99,447 penalized employers

Compliance score

C 78/100
  • C OSHA safety compliance: 12 violations across 15 OSHA inspections (0.8 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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How Hansen Bros. Enterprises compares on OSHA penalties

Total current penalty vs the Mining, Quarrying, Oil & Gas per-employer average

in penalties

What this shows Hansen Bros. Enterprises runs moderately above peers (1.7x 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

$7,930 Bottom 42% least affordable more affordable than 42% of 99,447 U.S. employers with a penalty

$0–$5,000: 43,959 U.S. employers with a penalty (44%). Below this entry. $5,000–$10,000: 20,304 U.S. employers with a penalty (20%). This entry sits in this band. $10,000–$15,000: 11,027 U.S. employers with a penalty (11%). Above this entry. $15,000–$20,000: 6,546 U.S. employers with a penalty (7%). Above this entry. $20,000–$25,000: 4,175 U.S. employers with a penalty (4%). Above this entry. $25,000–$30,000: 2,877 U.S. employers with a penalty (3%). Above this entry. $30,000–$35,000: 2,036 U.S. employers with a penalty (2%). Above this entry. $35,000–$40,000: 1,493 U.S. employers with a penalty (2%). Above this entry. $40,000–$45,000: 1,095 U.S. employers with a penalty (1%). Above this entry. $45,000–$50,000: 785 U.S. employers with a penalty (1%). Above this entry. $50,000–$55,000: 5,150 U.S. employers with a penalty (5%). Above this entry. This employer $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

Does more inspection scrutiny mean more findings?

Each dot is one of 21 Mining, Quarrying, Oil & Gas employers with an OSHA inspection on record, placed by inspections and violations cited. The highlighted dot is Hansen Bros. Enterprises.

Frequently inspected, many findingsRarely inspected, many findingsFrequently inspected, clean recordBelow median on both5.58.010.513.015.40.210.120.029.939.8OSHA inspectionsViolations citedASRC ENERGY SERVICES, OSHA inspections: 15 · Violations cited: 21HILCORP ALASKA, LLC, OSHA inspections: 13 · Violations cited: 30XTO ENERGY INC, OSHA inspections: 12 · Violations cited: 38HILCORP ALASKA, LLC, OSHA inspections: 11 · Violations cited: 21CACTUS DRILLING COMP…, OSHA inspections: 8 · Violations cited: 8Shell Oil Products U…, OSHA inspections: 8 · Violations cited: 10NORAM DRILLING COMPANY, OSHA inspections: 7 · Violations cited: 10BIG OX ENERGY SIOUXL…, OSHA inspections: 7 · Violations cited: 19ENI PETROLEUM, OSHA inspections: 7 · Violations cited: 10HELMERICH & PAYNE IN…, OSHA inspections: 7 · Violations cited: 8SMITHBRIDGE GUAM, INC., OSHA inspections: 7 · Violations cited: 10BP EXPLORATION (ALAS…, OSHA inspections: 7 · Violations cited: 26PEAK OILFIELD SERVICES, OSHA inspections: 7 · Violations cited: 12PIONEER NATURAL RESO…, OSHA inspections: 6 · Violations cited: 5TANMAR RENTALS, LLC, OSHA inspections: 6 · Violations cited: 10EUREKA RESOURCES LLC, OSHA inspections: 6 · Violations cited: 18DOYON DRILLING INC, OSHA inspections: 6 · Violations cited: 7DOYON UNIVERSAL SERV…, OSHA inspections: 6 · Violations cited: 4WATERFLEET, LLC, OSHA inspections: 6 · Violations cited: 2TREND SERVICES INC., OSHA inspections: 6 · Violations cited: 7Hansen Bros. Enterpr…, OSHA inspections: 15 · Violations cited: 12
Hansen Bros. Enterprises has 15 OSHA inspections on record and 12 violations cited. The crosshair marks the median among these Mining, Quarrying, Oil & Gas peers. Across this sector's tracked employers, more inspections is moderately associated with more violations found -- not a coincidence, but not a guarantee either.

Hansen Bros. Enterprises in the Mining, Quarrying, Oil & Gas enforcement ledger

In Mining, Quarrying, Oil & Gas, Hansen Bros. Enterprises sits at penalty rank #346 of 1,117 penalized establishments ($7,930 assessed).

How Hansen Bros. Enterprises Compares

Hansen Bros. Enterprises's 0.80 violations per inspection compares to the Mining, Quarrying, Oil & Gas sector average of 3.1 violations per employer.

Against the Mining, Quarrying, Oil & Gas industry average of $4,539 per employer, this employer's current OSHA penalty runs moderately above peers (1.7x the sector average).

Enforcement detail

OSHA Inspection History

Total Inspections

15

First Inspection

2010-05-18

Last Inspection

2026-02-13

Inspection Span

16 yrs

Violations / Inspection

0.8

Avg Penalty / Inspection

$529

Industry Avg / Inspection

$2,042

What this shows 15 inspections over 16 years, averaging 0.8 violations per visit. That's $529 per inspection vs. the Mining, Quarrying, Oil & Gas average of $2,042.

Enforcement detail

Violation Breakdown

0

Serious

0.0% of total

0

Willful

0.0% of total

0

Repeat

0.0% of total

12

Other-Than-Serious

100.0% 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

$8,115

Current Penalty Amount

$7,930

Penalty Reduction

2.3%

What this shows Penalties were reduced by $185 from the initial assessment of $8,115. Reductions may result from informal settlements, formal contests, or negotiated agreements with OSHA.

Industry Safety Context: Mining, Quarrying, Oil & Gas

How Hansen Bros. Enterprises compares to the Mining, Quarrying, Oil & Gas sector, which has 2,294 employers tracked by PlainWorker.

Metric Hansen Bros. Enterprises Industry Avg
Inspections 15 2.2
Violations 12 3.1
Total Penalty $7,930 $4,539
Avg Penalty per Inspection $529 $2,042

Nationwide Mining, Quarrying, Oil & Gas peers with similar penalties or inspection counts

Two OSHA-record peer sets for Hansen Bros. Enterprises, both outside CA so the neighborhoods are not geographic containment.

Similar current OSHA penalty

Nearest same-sector employers by current assessed penalty ($7,930 here).

Similar OSHA inspection count

Same-sector employers with a comparable inspection history outside this state (15 inspections here).

Nearby & Similar Employers in Mining, Quarrying, Oil & Gas

Showing 5 of 2293 other employers tracked in this sector.

Compare Hansen Bros. Enterprises vs Scandrill INC. side-by-side →

What to do with this record

Use Hansen Bros. Enterprises's enforcement history as one data point, not the whole picture.

  • A single employer's record can look unusual in isolation. Compare Hansen Bros. Enterprises against Scandrill INC., a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
  • See whether Hansen Bros. Enterprises's inspection and penalty record is typical for Mining, Quarrying, Oil & Gas or an outlier against the sector's own average. View the Mining, Quarrying, Oil & Gas 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 Hansen Bros. Enterprises safe to work at?
Based on OSHA records, Hansen Bros. Enterprises's workplace safety record is relatively clean, with fewer violations than typical. The employer has 12 violations across 15 inspections. Compared to Mining, Quarrying, Oil & Gas industry peers, this is above average for penalties. Review the full inspection history below for details.
How many OSHA violations does Hansen Bros. Enterprises have?
Hansen Bros. Enterprises has 12 OSHA violations on record, including 0 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $7,930.
How many OSHA inspections has Hansen Bros. Enterprises had?
Hansen Bros. Enterprises has had 15 OSHA inspections, with the first recorded on 2010-05-18 and the most recent on 2026-02-13. This averages 0.8 violations per inspection.
What is the total penalty amount for Hansen Bros. Enterprises?
Hansen Bros. Enterprises has been assessed $7,930 in current OSHA penalties, reduced from an initial assessment of $8,115 (a 2.3% reduction).
What industry does Hansen Bros. Enterprises operate in?
Hansen Bros. Enterprises operates in the Mining, Quarrying, Oil & Gas sector (NAICS code 212321). This industry has 2,294 employers tracked by PlainWorker, with 5,098 total OSHA inspections and $10.41M in cumulative penalties.
Where does Hansen Bros. Enterprises rank nationally on OSHA penalties?
Among the 99,447 U.S. employers with a nonzero current OSHA penalty in PlainWorker's corpus, Hansen Bros. Enterprises ranks #41,873 (the upper half 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 Hansen Bros. Enterprises's safety record compare to industry average?
Hansen Bros. Enterprises's total OSHA penalty of $7,930 is above the Mining, Quarrying, Oil & Gas industry average of $4,539 per employer (1.7x the average). The employer has 15 inspections compared to the industry average of 2.2 per employer. For a direct comparison, Union Drilling INC. in Midland, TX is a similar mining, quarrying, oil & gas employer with $7,940 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.

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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 15 inspections on record. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.