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

Robertson S Ready Mix INC

According to OSHA enforcement records (2010–2026), Robertson S Ready Mix 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

Robertson S Ready Mix INC in Lucerne Valley, 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 Robertson S Ready Mix 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, Nomac Drilling Corporation Rig # 46 in Shreveport, LA is another mining, quarrying, oil & gas employer with 3 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.

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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 Robertson S Ready Mix INC.

Frequently inspected, many findingsRarely inspected, many findingsFrequently inspected, clean recordBelow median on both1.92.022.02.004.58.913.417.9OSHA inspectionsViolations citedLAREDO PETROLEUM, INC., OSHA inspections: 2 · Violations cited: 4C & G DRILLING COMPA…, OSHA inspections: 2 · Violations cited: 8NOMAC DRILLING COMPA…, OSHA inspections: 2 · Violations cited: 7WIRECO WORLDGROUP, OSHA inspections: 2 · Violations cited: 3ONEOK FIELD SERVICES…, OSHA inspections: 2 · Violations cited: 5STALLION OILFIELD SE…, OSHA inspections: 2 · Violations cited: 2KEY ENERGY SERVICES,…, OSHA inspections: 2 · Violations cited: 3STERLING DRILLING CO…, OSHA inspections: 2 · Violations cited: 2ALPHA OMEGA CONSTRUC…, OSHA inspections: 2 · Violations cited: 0SUMMIT MIDSTREAM PAR…, OSHA inspections: 2 · Violations cited: 17MOE WELL SERVICE, LLC, OSHA inspections: 2 · Violations cited: 6ALBEMARLE CORPORATION, OSHA inspections: 2 · Violations cited: 1LANCE RUFFEL OIL & G…, OSHA inspections: 2 · Violations cited: 4NEWPARK DRILLING FLU…, OSHA inspections: 2 · Violations cited: 1GRAND ISLE SHIPYARD …, OSHA inspections: 2 · Violations cited: 7KINETIK ENERGY, OSHA inspections: 2 · Violations cited: 1DU BAR DRILLING FLUI…, OSHA inspections: 2 · Violations cited: 0HELMERICH & PAYNE IN…, OSHA inspections: 2 · Violations cited: 0TEXAS TANK WORKS, LLC, OSHA inspections: 2 · Violations cited: 4REFRACTORY RESOURCES…, OSHA inspections: 2 · Violations cited: 7Robertson S Ready Mi…, OSHA inspections: 2 · Violations cited: 0
Robertson S Ready Mix 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 Robertson S Ready Mix INC Compares

2 OSHA inspections on record for Robertson S Ready Mix INC in Lucerne Valley, 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 Robertson S Ready Mix 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

2010-09-02

Last Inspection

2012-05-07

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 Robertson S Ready Mix INC compares to the Mining, Quarrying, Oil & Gas sector, which has 2,294 employers tracked by PlainWorker.

Metric Robertson S Ready Mix 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 Robertson S Ready Mix 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 Robertson S Ready Mix INC vs 7/11 Materials, INC. side-by-side →

What to do with this record

Use Robertson S Ready Mix INC's enforcement history as one data point, not the whole picture.

  • A single employer's record can look unusual in isolation. Compare Robertson S Ready Mix INC against 7/11 Materials, INC., a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
  • See whether Robertson S Ready Mix 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 Robertson S Ready Mix INC safe to work at?
Based on OSHA records, Robertson S Ready Mix 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 Robertson S Ready Mix INC have?
Robertson S Ready Mix 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 Robertson S Ready Mix INC had?
Robertson S Ready Mix INC has had 2 OSHA inspections, with the first recorded on 2010-09-02 and the most recent on 2012-05-07. This averages 0.0 violations per inspection.
What is the total penalty amount for Robertson S Ready Mix INC?
Robertson S Ready Mix INC has been assessed $0 in current OSHA penalties.
What industry does Robertson S Ready Mix INC operate in?
Robertson S Ready Mix 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 Robertson S Ready Mix INC's safety record compare to industry average?
Robertson S Ready Mix 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, Nomac Drilling Corporation Rig # 46 in Shreveport, LA 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.