Mining, Quarrying, Oil & Gas · Irwindale, CA

A-1 Grit Company

According to OSHA enforcement records (2010–2026), A-1 Grit Company has a relatively clean safety record: 0 violations across 3 inspections. See the full breakdown below.

$0
OSHA penalties
0
Violations cited
3
OSHA inspections

A-1 Grit Company in Irwindale, CA has been the subject of 3 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 A-1 Grit Company 3 times over 4 years, roughly once every couple of years. None of these inspections resulted in a citation. Against the Mining, Quarrying, Oil & Gas industry average of 2 inspections per employer, this runs moderately above peers (1.3x the sector average) on inspection frequency. For comparison, Patterson-Uti Drilling Company, LLC in Snow Shoe, PA 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 3 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 A-1 Grit Company.

Frequently inspected, many findingsRarely inspected, many findingsFrequently inspected, clean recordBelow median on both3.03.033.03.004.79.414.218.9OSHA inspectionsViolations citedMOBILE ABRASIVES, INC., OSHA inspections: 3 · Violations cited: 1CANNON ELECTRIC, OSHA inspections: 3 · Violations cited: 7CONTINENTAL RESOURCE…, OSHA inspections: 3 · Violations cited: 0XTO ENERGY, INC., OSHA inspections: 3 · Violations cited: 1NEW DOMINION, LLC, OSHA inspections: 3 · Violations cited: 2DOUBLE K DRILLING, LLC, OSHA inspections: 3 · Violations cited: 14SOMONT OIL COMPANY, …, OSHA inspections: 3 · Violations cited: 7SOUTHWESTERN ENERGY …, OSHA inspections: 3 · Violations cited: 1DIAMONDBACK E&P LLC., OSHA inspections: 3 · Violations cited: 0MAGNA ENERGY SERVICE…, OSHA inspections: 3 · Violations cited: 18ANADARKO PETROLEUM, OSHA inspections: 3 · Violations cited: 0FRONTIER DRILLING LLC, OSHA inspections: 3 · Violations cited: 5COTERRA ENERGY, INC., OSHA inspections: 3 · Violations cited: 0MCCONNELL AND SCULLY…, OSHA inspections: 3 · Violations cited: 7HALLIBURTON ENERGY S…, OSHA inspections: 3 · Violations cited: 1WILLIAMS PRODUCTION …, OSHA inspections: 3 · Violations cited: 0CHOSEN CONSTRUCTION,…, OSHA inspections: 3 · Violations cited: 9HAROLD MACQUINN, INC., OSHA inspections: 3 · Violations cited: 7BOND CRUSHED CONCRETE, OSHA inspections: 3 · Violations cited: 8RTO SALES AND LEASIN…, OSHA inspections: 3 · Violations cited: 3A-1 Grit Company, OSHA inspections: 3 · Violations cited: 0
A-1 Grit Company has 3 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 A-1 Grit Company Compares

3 OSHA inspections on record for A-1 Grit Company in Irwindale, 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 A-1 Grit Company to date. The Mining, Quarrying, Oil & Gas sector average runs $4,539 per employer.

Enforcement detail

OSHA Inspection History

Total Inspections

3

First Inspection

2010-08-05

Last Inspection

2014-05-23

Inspection Span

4 yrs

Violations / Inspection

0.0

Avg Penalty / Inspection

$0

Industry Avg / Inspection

$2,042

What this shows 3 inspections over 4 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 A-1 Grit Company compares to the Mining, Quarrying, Oil & Gas sector, which has 2,294 employers tracked by PlainWorker.

Metric A-1 Grit Company Industry Avg
Inspections 3 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 A-1 Grit Company, both outside CA so the neighborhoods are not geographic containment.

Similar OSHA inspection count

Same-sector employers with a comparable inspection history outside this state (3 inspections here).

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

Showing 5 of 2293 other employers tracked in this sector.

Compare A-1 Grit Company vs Fluids Management II, LTD. side-by-side →

What to do with this record

Use A-1 Grit Company's enforcement history as one data point, not the whole picture.

  • A single employer's record can look unusual in isolation. Compare A-1 Grit Company against Fluids Management II, LTD., a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
  • See whether A-1 Grit Company'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 A-1 Grit Company safe to work at?
Based on OSHA records, A-1 Grit Company's workplace safety record is relatively clean, with fewer violations than typical. The employer has 0 violations across 3 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 A-1 Grit Company have?
A-1 Grit Company 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 A-1 Grit Company had?
A-1 Grit Company has had 3 OSHA inspections, with the first recorded on 2010-08-05 and the most recent on 2014-05-23. This averages 0.0 violations per inspection.
What is the total penalty amount for A-1 Grit Company?
A-1 Grit Company has been assessed $0 in current OSHA penalties.
What industry does A-1 Grit Company operate in?
A-1 Grit Company operates in the Mining, Quarrying, Oil & Gas sector (NAICS code 212399). This industry has 2,294 employers tracked by PlainWorker, with 5,098 total OSHA inspections and $10.41M in cumulative penalties.
How does A-1 Grit Company's safety record compare to industry average?
A-1 Grit Company's total OSHA penalty of $0 is below the Mining, Quarrying, Oil & Gas industry average of $4,539 per employer. The employer has 3 inspections compared to the industry average of 2.2 per employer. For a direct comparison, Patterson-Uti Drilling Company, LLC in Snow Shoe, PA 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 3 inspections on record. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.