Mining, Quarrying, Oil & Gas · Corning, CA

North Valley Rock LLC

According to OSHA enforcement records (2010–2026), North Valley Rock LLC ranks #79,141 of 99,447 penalized U.S. employers by total current penalty, with a mixed safety record: 8 violations across 5 inspections.

Lower half by penalty0% serious
$1,720
OSHA penalties
8
Violations cited
5
OSHA inspections
#79,141
of 99,447 penalized employers

North Valley Rock LLC in Corning, CA has been the subject of 5 OSHA workplace inspections and 8 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $1,720. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected North Valley Rock LLC 5 times across a longer 11-year span, an infrequent cadence. These inspections resulted in 8 violations, averaging 1.6 per inspection. According to OSHA enforcement records, its total current penalty ranks #79,141 of 99,447 penalized U.S. employers (the lower half of penalized employers nationally). Against the Mining, Quarrying, Oil & Gas industry average of 2 inspections per employer, this runs well above peers (2.2x the sector average) on inspection frequency. For comparison, Ring Energy in Midland, TX is another mining, quarrying, oil & gas employer with 0 OSHA inspections on record and $0 in current penalties.

1.6
violations per inspection
0.0%
of violations were serious
#79,141
of 99,447 penalized employers

Compliance score

C 67/100
  • C OSHA safety compliance: 8 violations across 5 OSHA inspections (1.6 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 North Valley Rock LLC compares on OSHA penalties

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

in penalties

What this shows North Valley Rock LLC runs moderately below peers (0.4x 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

$1,720 Top 20% most affordable more affordable than 80% of 99,447 U.S. employers with a penalty

$0–$5,000: 43,959 U.S. employers with a penalty (44%). This entry sits in this band. $5,000–$10,000: 20,304 U.S. employers with a penalty (20%). Above this entry. $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 North Valley Rock LLC.

Frequently inspected, many findingsRarely inspected, many findingsFrequently inspected, clean recordBelow median on both3.94.555.56.108.116.324.432.5OSHA inspectionsViolations citedPEAK OILFIELD SERVIC…, OSHA inspections: 5 · Violations cited: 1WESTERN GAS PARTNERS…, OSHA inspections: 5 · Violations cited: 13SMITHBRIDGE GUAM, INC., OSHA inspections: 5 · Violations cited: 11HELMERICH & PAYNE, I…, OSHA inspections: 5 · Violations cited: 3TANMAR COMPANIES LLC, OSHA inspections: 5 · Violations cited: 1PRIMEXX OPERATING CO…, OSHA inspections: 5 · Violations cited: 0COG OPERATING LLC, OSHA inspections: 5 · Violations cited: 0STALLION OILFIELD SE…, OSHA inspections: 5 · Violations cited: 0ESS SUPPORT SERVICES, OSHA inspections: 5 · Violations cited: 5HELMERICH & PAYNE IN…, OSHA inspections: 5 · Violations cited: 9BASIC ENERGY SERVICES, OSHA inspections: 5 · Violations cited: 4NABORS ALASKA DRILLI…, OSHA inspections: 5 · Violations cited: 4PRECISION DRILLING, OSHA inspections: 5 · Violations cited: 2CHESAPEAKE ENERGY CO…, OSHA inspections: 5 · Violations cited: 0UNIT DRILLING COMPANY, OSHA inspections: 4 · Violations cited: 7TOP BRAND, INC., OSHA inspections: 6 · Violations cited: 25EXPLORATION DRILLING…, OSHA inspections: 4 · Violations cited: 3OXY USA INC. OCCIDEN…, OSHA inspections: 4 · Violations cited: 0UMC ENERGY SOLUTIONS, OSHA inspections: 4 · Violations cited: 31PATTERSON-UTI DRILLI…, OSHA inspections: 4 · Violations cited: 9North Valley Rock LLC, OSHA inspections: 5 · Violations cited: 8
North Valley Rock LLC has 5 OSHA inspections on record and 8 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.

North Valley Rock LLC in the Mining, Quarrying, Oil & Gas enforcement ledger

Mining, Quarrying, Oil & Gas sector: North Valley Rock LLC is the #702 heaviest OSHA penalty carrier of 1,117 employers with nonzero fines ($1,720).

How North Valley Rock LLC Compares

North Valley Rock LLC's 1.60 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 below peers (0.4x the sector average).

Enforcement detail

OSHA Inspection History

Total Inspections

5

First Inspection

2012-12-20

Last Inspection

2024-01-29

Inspection Span

11 yrs

Violations / Inspection

1.6

Avg Penalty / Inspection

$344

Industry Avg / Inspection

$2,042

What this shows 5 inspections over 11 years, averaging 1.6 violations per visit. That's $344 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

8

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

$1,720

Current Penalty Amount

$1,720

Penalty Reduction

None

What this shows No reduction on record. The current penalty matches the original OSHA assessment.

Industry Safety Context: Mining, Quarrying, Oil & Gas

How North Valley Rock LLC compares to the Mining, Quarrying, Oil & Gas sector, which has 2,294 employers tracked by PlainWorker.

Metric North Valley Rock LLC Industry Avg
Inspections 5 2.2
Violations 8 3.1
Total Penalty $1,720 $4,539
Avg Penalty per Inspection $344 $2,042

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

Two OSHA-record peer sets for North Valley Rock LLC, both outside CA so the neighborhoods are not geographic containment.

Similar current OSHA penalty

Nearest same-sector employers by current assessed penalty ($1,720 here).

Similar OSHA inspection count

Same-sector employers with a comparable inspection history outside this state (5 inspections here).

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

Showing 5 of 2293 other employers tracked in this sector.

Compare North Valley Rock LLC vs FP Legend Stone LLC side-by-side →

What to do with this record

Use North Valley Rock LLC's enforcement history as one data point, not the whole picture.

  • A single employer's record can look unusual in isolation. Compare North Valley Rock LLC against FP Legend Stone LLC, a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
  • See whether North Valley Rock LLC'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 North Valley Rock LLC safe to work at?
Based on OSHA records, North Valley Rock LLC's workplace safety record is mixed, with some compliance concerns. The employer has 8 violations across 5 inspections. Compared to Mining, Quarrying, Oil & Gas industry peers, this is below average for penalties. Review the full inspection history below for details.
How many OSHA violations does North Valley Rock LLC have?
North Valley Rock LLC has 8 OSHA violations on record, including 0 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $1,720.
How many OSHA inspections has North Valley Rock LLC had?
North Valley Rock LLC has had 5 OSHA inspections, with the first recorded on 2012-12-20 and the most recent on 2024-01-29. This averages 1.6 violations per inspection.
What is the total penalty amount for North Valley Rock LLC?
North Valley Rock LLC has been assessed $1,720 in current OSHA penalties.
What industry does North Valley Rock LLC operate in?
North Valley Rock LLC 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 North Valley Rock LLC rank nationally on OSHA penalties?
Among the 99,447 U.S. employers with a nonzero current OSHA penalty in PlainWorker's corpus, North Valley Rock LLC ranks #79,141 (the lower 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 North Valley Rock LLC's safety record compare to industry average?
North Valley Rock LLC's total OSHA penalty of $1,720 is below the Mining, Quarrying, Oil & Gas industry average of $4,539 per employer. The employer has 5 inspections compared to the industry average of 2.2 per employer. For a direct comparison, Ring Energy in Midland, TX is a similar mining, quarrying, oil & gas employer with $0 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 5 inspections on record. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.