Mining, Quarrying, Oil & Gas · Fillmore, CA

Upland Rock INC

According to OSHA enforcement records (2010–2026), Upland Rock INC has a relatively clean safety record: 0 violations across 2 inspections. See the full breakdown below.

$0
OSHA penalties
0
Violations cited
2
OSHA inspections

Upland Rock INC in Fillmore, CA has been the subject of 2 OSHA workplace inspections and 0 citations since 2010, according to enforcement records from the U.S. Department of Labor. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected Upland Rock INC 2 times over 2 years, roughly annually. None of these inspections resulted in a citation. Against the Mining, Quarrying, Oil & Gas industry average of 2 inspections per employer, this sits roughly in line with peers (0.9x the sector average) on inspection frequency. For comparison, Tank Masters of Nevada, INC. in North las Vegas, NV is another mining, quarrying, oil & gas employer with 2 OSHA inspections on record and $0 in current penalties.

0.0
violations per inspection
0.0%
of violations were serious

Compliance score

A 90/100
  • A OSHA safety compliance: 0 violations across 2 OSHA inspections (0.0 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.

Open my watchlist

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 Upland Rock INC.

Frequently inspected, many findingsRarely inspected, many findingsFrequently inspected, clean recordBelow median on both1.92.022.02.005.010.015.019.9OSHA inspectionsViolations citedUNIT DRILLING COMPANY, OSHA inspections: 2 · Violations cited: 3STANDARD ENERGY SERV…, OSHA inspections: 2 · Violations cited: 1SPUR ENERGY PARTNERS…, OSHA inspections: 2 · Violations cited: 0PETROMAX REFINING CO…, OSHA inspections: 2 · Violations cited: 7RINGO DRILLING I,L.P., OSHA inspections: 2 · Violations cited: 3HIGH COUNTRY SALES &…, OSHA inspections: 2 · Violations cited: 15C2G ENERGY SOLUTIONS…, OSHA inspections: 2 · Violations cited: 4IOS INSPECTION, OSHA inspections: 2 · Violations cited: 12CACTUS DRILLING COMP…, OSHA inspections: 2 · Violations cited: 3RITTER CONSTRUCTION …, OSHA inspections: 2 · Violations cited: 1APACHE CORPORATION, OSHA inspections: 2 · Violations cited: 0TERVITA, LLC, OSHA inspections: 2 · Violations cited: 2RESERVE DRILLING INC., OSHA inspections: 2 · Violations cited: 19HORIZON ENERGY SERVI…, OSHA inspections: 2 · Violations cited: 7WEATHERFORD US, LP, OSHA inspections: 2 · Violations cited: 2PSI OILFIELD SERVICE…, OSHA inspections: 2 · Violations cited: 12NOMAC DRILLING LLC, OSHA inspections: 2 · Violations cited: 4STERLING DRILLING CO…, OSHA inspections: 2 · Violations cited: 0PRECISION DRILLING, OSHA inspections: 2 · Violations cited: 0CHANTILLY CRUSHED ST…, OSHA inspections: 2 · Violations cited: 0Upland Rock INC, OSHA inspections: 2 · Violations cited: 0
Upland Rock INC has 2 OSHA inspections on record and 0 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.

How Upland Rock INC Compares

2 OSHA inspections on record for Upland Rock INC in Fillmore, CA, zero violations cited, a cleaner record than the Mining, Quarrying, Oil & Gas sector average of 3.1 violations per employer.

No OSHA penalty has been assessed against Upland Rock INC to date. The Mining, Quarrying, Oil & Gas sector average runs $4,539 per employer.

Enforcement detail

OSHA Inspection History

Total Inspections

2

First Inspection

2011-11-28

Last Inspection

2014-05-16

Inspection Span

2 yrs

Violations / Inspection

0.0

Avg Penalty / Inspection

$0

Industry Avg / Inspection

$2,042

What this shows 2 inspections over 2 years, averaging 0.0 violations per visit. That's $0 per inspection vs. the Mining, Quarrying, Oil & Gas average of $2,042.

Industry Safety Context: Mining, Quarrying, Oil & Gas

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

Metric Upland Rock INC Industry Avg
Inspections 2 2.2
Violations 0 3.1
Total Penalty $0 $4,539
Avg Penalty per Inspection $0 $2,042

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

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

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

Showing 5 of 2293 other employers tracked in this sector.

Compare Upland Rock INC vs Sterling Drilling Company side-by-side →

What to do with this record

Use Upland Rock INC's enforcement history as one data point, not the whole picture.

  • A single employer's record can look unusual in isolation. Compare Upland Rock INC against Sterling Drilling Company, a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
  • See whether Upland Rock INC'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 Upland Rock INC safe to work at?
Based on OSHA records, Upland Rock INC's workplace safety record is relatively clean, with fewer violations than typical. The employer has 0 violations across 2 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 Upland Rock INC have?
Upland Rock INC has 0 OSHA violations on record, including 0 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $0.
How many OSHA inspections has Upland Rock INC had?
Upland Rock INC has had 2 OSHA inspections, with the first recorded on 2011-11-28 and the most recent on 2014-05-16. This averages 0.0 violations per inspection.
What is the total penalty amount for Upland Rock INC?
Upland Rock INC has been assessed $0 in current OSHA penalties.
What industry does Upland Rock INC operate in?
Upland Rock INC 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.
How does Upland Rock INC's safety record compare to industry average?
Upland Rock INC's total OSHA penalty of $0 is below the Mining, Quarrying, Oil & Gas industry average of $4,539 per employer. The employer has 2 inspections compared to the industry average of 2.2 per employer. For a direct comparison, Tank Masters of Nevada, INC. in North las Vegas, NV 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 2 inspections on record. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.