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Employers › CA

Mining, Quarrying, Oil & Gas · Fillmore, CA

Grimes Rock, INC.

According to OSHA enforcement records (2010–2026), Grimes Rock, INC. has a concerning safety record: 5 violations across 9 inspections. See the full breakdown below.

Lower half by penalty0% serious
$1,495
OSHA penalties
5
Violations cited
9
OSHA inspections
#82,447
of 100,495 penalized employers

Grimes Rock, INC. in Fillmore, CA has been the subject of 9 OSHA workplace inspections and 5 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $1,495. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected Grimes Rock, INC. 9 times over 14 years, roughly once every couple of years. These inspections resulted in 5 violations, averaging 0.6 per inspection, on the lighter side. Its total OSHA penalty ranks in 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 (4.2x the sector average) on inspection frequency. For comparison, Jerico Products INC in Suisun City, CA is another mining, quarrying, oil & gas employer with 4 OSHA inspections on record and $1,500 in current penalties.

0.6
violations per inspection
0.0%
of violations were serious
18%
of penalized employers rank lower

How Grimes Rock, INC. compares on OSHA penalties

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

in penalties

What this shows Grimes Rock, INC. runs moderately below peers (0.3x 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

$1,495 Top 18% most affordable more affordable than 82% of 100,495 U.S. employers with a penalty

$0–$5,000: 44,435 U.S. employers with a penalty (44%). This entry sits in this band. $5,000–$10,000: 20,628 U.S. employers with a penalty (21%). Above this entry. $10,000–$15,000: 11,165 U.S. employers with a penalty (11%). Above this entry. $15,000–$20,000: 6,629 U.S. employers with a penalty (7%). Above this entry. $20,000–$25,000: 4,205 U.S. employers with a penalty (4%). Above this entry. $25,000–$30,000: 2,885 U.S. employers with a penalty (3%). Above this entry. $30,000–$35,000: 2,052 U.S. employers with a penalty (2%). Above this entry. $35,000–$40,000: 1,483 U.S. employers with a penalty (1%). Above this entry. $40,000–$45,000: 1,120 U.S. employers with a penalty (1%). Above this entry. $45,000–$50,000: 792 U.S. employers with a penalty (1%). Above this entry. $50,000–$55,000: 5,101 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

What the Data Says About Grimes Rock, INC.

The federal enforcement record for Grimes Rock, INC. in Fillmore, CA includes 9 OSHA inspections and 5 violations, translating to 0.56 violations per inspection. Of those violations, 0 (0.0%) were classified as serious, 0 (0.0%) as willful, and 1 (20.0%) as repeat. Serious violations denote hazards likely to cause death or serious physical harm; willful and repeat categories indicate intentional disregard or recurrence of previously cited hazards.

OSHA assessed $1,620 in initial penalties against this employer, later adjusted to a current total of $1,495 - a 7.7% reduction. Average penalty per inspection works out to $166. Against the Mining, Quarrying, Oil & Gas industry average of $4,394 per employer, this record runs moderately below peers (0.3x the sector average).

Inspection activity spans from 2011-01-11 to 2024-07-31, a window of roughly 14 years.

Enforcement detail

OSHA Inspection History

Total Inspections

9

First Inspection

2011-01-11

Last Inspection

2024-07-31

Inspection Span

14 yrs

Violations / Inspection

0.6

Avg Penalty / Inspection

$166

Industry Avg / Inspection

$2,034

What this shows 9 inspections over 14 years, averaging 0.6 violations per visit. That's $166 per inspection vs. the Mining, Quarrying, Oil & Gas average of $2,034.

Enforcement detail

Violation Breakdown

0

Serious

0.0% of total

0

Willful

0.0% of total

1

Repeat

20.0% of total

4

Other-Than-Serious

80.0% 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

$1,620

Current Penalty Amount

$1,495

Penalty Reduction

7.7%

What this shows Penalties were reduced by $125 from the initial assessment of $1,620. Reductions may result from informal settlements, formal contests, or negotiated agreements with OSHA.

Industry Safety Context: Mining, Quarrying, Oil & Gas

How Grimes Rock, INC. compares to the Mining, Quarrying, Oil & Gas sector, which has 2,359 employers tracked by PlainWorker.

Metric Grimes Rock, INC. Industry Avg
Inspections 9 2.2
Violations 5 3.1
Total Penalty $1,495 $4,394
Avg Penalty per Inspection $166 $2,034
View all 2,359 employers in Mining, Quarrying, Oil & Gas →

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

Top Dog Well Service
Normantown, WV
0 inspections $0
Jerico Products INC
Suisun City, CA
4 inspections $1,500
The Don Chapin CO., INC.
Marina, CA
2 inspections $1,500
Latshaw Drilling and Exploration, LLC
Midland, TX
2 inspections $1,500
Yager Materials, Main Wharf #1
Owensboro, KY
4 inspections $1,500

Compare Grimes Rock, INC. vs Top Dog Well Service side-by-side →

Frequently Asked Questions

Is Grimes Rock, INC. safe to work at? ▼
Based on OSHA records, Grimes Rock, INC.'s workplace safety record is concerning, with multiple serious compliance issues. The employer has 5 violations across 9 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 Grimes Rock, INC. have? ▼
Grimes Rock, INC. has 5 OSHA violations on record, including 0 serious, 0 willful, and 1 repeat violations. The total current penalty amount is $1,495.
How many OSHA inspections has Grimes Rock, INC. had? ▼
Grimes Rock, INC. has had 9 OSHA inspections, with the first recorded on 2011-01-11 and the most recent on 2024-07-31. This averages 0.6 violations per inspection.
What is the total penalty amount for Grimes Rock, INC.? ▼
Grimes Rock, INC. has been assessed $1,495 in current OSHA penalties, reduced from an initial assessment of $1,620 (a 7.7% reduction).
Does Grimes Rock, INC. have any serious or willful violations? ▼
Yes. Grimes Rock, INC. has 0 serious violations, and 1 repeat violations. Serious violations involve hazards likely to cause death or serious physical harm. Willful violations indicate the employer intentionally or knowingly disregarded the law.
What industry does Grimes Rock, INC. operate in? ▼
Grimes Rock, INC. operates in the Mining, Quarrying, Oil & Gas sector (NAICS code 212321). This industry has 2,359 employers tracked by PlainWorker, with 5,096 total OSHA inspections and $10.36M in cumulative penalties.
How does Grimes Rock, INC.'s safety record compare to industry average? ▼
Grimes Rock, INC.'s total OSHA penalty of $1,495 is below the Mining, Quarrying, Oil & Gas industry average of $4,394 per employer. The employer has 9 inspections compared to the industry average of 2.2 per employer. For a direct comparison, Jerico Products INC in Suisun City, CA is a similar mining, quarrying, oil & gas employer with $1,500 in current penalties.

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Mining, Quarrying, Oil & Gas Industry

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What to check next

Grimes Rock, INC.'s record is one establishment in a larger pattern. Use it as a research checklist, not a verdict on the employer overall.

These figures are the federal enforcement record on file and reflect past inspections, not a statement about current workplace conditions. See the disclaimer for how to read them.

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