Mining, Quarrying, Oil & Gas · Willits, CA

Northern Aggregates, INC.

According to OSHA enforcement records (2010–2026), Northern Aggregates, INC. ranks #16,786 of 99,447 penalized U.S. employers by total current penalty, with a concerning safety record: 22 violations across 4 inspections.

Top 25% by penalty14% serious

Compiled by Plainworker · September 6, 2026

$20,765
OSHA penalties: 22
Violations cited: 4
OSHA inspections: #16,786
of 99,447 penalized employers

Northern Aggregates, INC. in Willits, CA has been the subject of 4 OSHA workplace inspections and 22 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $20,765. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected Northern Aggregates, INC. 4 times across a longer 9-year span, an infrequent cadence. These inspections resulted in 22 violations, averaging 5.5 per inspection - a notably high rate. According to OSHA enforcement records, its total current penalty ranks #16,786 of 99,447 penalized U.S. employers (the top quarter of penalized employers nationally). Of these, 3 were classified as serious - indicating hazards that could cause death or serious harm. Against the Mining, Quarrying, Oil & Gas industry average of 2 inspections per employer, this runs moderately above peers (1.8x the sector average) on inspection frequency. For comparison, Salt Painting, Inc. in Saegertown, PA is another mining, quarrying, oil & gas employer with 0 OSHA inspections on record and $0 in current penalties.

5.5
violations per inspection: 13.6%
of violations were serious: #16,786
of 99,447 penalized employers

Compliance score

F 10/100

F OSHA safety compliance: 22 violations across 4 OSHA inspections (5.5 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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Northern Aggregates, I…

$20,765
Mining, Quarrying, Oil & Gas avg

$4,539

What this shows Northern Aggregates, INC. runs well above peers (4.6x the sector average) in total OSHA penalties.

Where this penalty ranks nationally

Total current OSHA penalty vs every U.S. employer with a nonzero penalty

$20,765 Bottom 17% least affordable more affordable than 17% of 99,447 U.S. employers with a penalty

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 Northern Aggregates, INC..

Northern Aggregates, INC. has 4 OSHA inspections on record and 22 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.

Northern Aggregates, INC. in the Mining, Quarrying, Oil & Gas enforcement ledger

Mining, Quarrying, Oil & Gas sector: Northern Aggregates, INC. is the #137 heaviest OSHA penalty carrier of 1,117 employers with nonzero fines ($20,765).

How Northern Aggregates, INC. Compares

Northern Aggregates, INC.'s 5.50 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 well above peers (4.6x the sector average).

Total Inspections

First Inspection

2016-05-11

Last Inspection

2025-06-25

Inspection Span

9 yrs

Violations / Inspection

5.5

Avg Penalty / Inspection

$5,191

Industry Avg / Inspection

$2,042

What this shows 4 inspections over 9 years, averaging 5.5 violations per visit. That's $5,191 per inspection vs. the Mining, Quarrying, Oil & Gas average of $2,042.

Serious

13.6% of total

Willful

0.0% of total

Repeat

0.0% of total

Other-Than-Serious

86.4% 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.

Initial Penalty Assessed

$20,765

Current Penalty Amount

$20,765

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

Metric	Northern Aggregates, INC.	Industry Avg
Inspections	4	2.2
Violations	22	3.1
Total Penalty	$20,765	$4,539
Avg Penalty per Inspection	$5,191	$2,042

View all 2,294 employers in Mining, Quarrying, Oil & Gas →

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

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

Similar current OSHA penalty

Nearest same-sector employers by current assessed penalty ($20,765 here).

Well Service Partners, LLC $20,895 TX Tanmar Rentals, LLC $21,000 TX Deep Well Energy Services, LLC $20,458 TX Peak Oilfield Services $21,113 TX

Similar OSHA inspection count

Same-sector employers with a comparable inspection history outside this state (4 inspections here).

McGown Drilling, INC. 4 insp. Le Roy, KS Aj's Logistic Services,L.L.C. 4 insp. Alice, TX Stallion Oil Field Services, INC. 4 insp. Pecos, TX Diamondback E&P LLC 4 insp. Coyanosa, TX

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

Showing 5 of 2293 other employers tracked in this sector.

Salt Painting, Inc.

Saegertown, PA

0 inspections $0

Well Service Partners, LLC

Odessa, TX

2 inspections $20,895

BCJ Sand and Rock INC

Oroville, CA

11 inspections $20,900

Ard Well Service, LLC

Batson, TX

1 inspections $12,904

Greene's Energy Group, LLC (Alice WTS Odessa)

Lafayette, LA

0 inspections $0

Compare Northern Aggregates, INC. vs Salt Painting, Inc. side-by-side →

What to do with this record

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

A single employer's record can look unusual in isolation. Compare Northern Aggregates, INC. against Salt Painting, Inc., a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
See whether Northern Aggregates, 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 Northern Aggregates, INC. safe to work at? ▼

Based on OSHA records, Northern Aggregates, INC.'s workplace safety record is concerning, with multiple serious compliance issues. The employer has 22 violations across 4 inspections, including 3 serious violations. Compared to Mining, Quarrying, Oil & Gas industry peers, this is above average for penalties. Review the full inspection history below for details.

How many OSHA violations does Northern Aggregates, INC. have? ▼

Northern Aggregates, INC. has 22 OSHA violations on record, including 3 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $20,765.

How many OSHA inspections has Northern Aggregates, INC. had? ▼

Northern Aggregates, INC. has had 4 OSHA inspections, with the first recorded on 2016-05-11 and the most recent on 2025-06-25. This averages 5.5 violations per inspection.

What is the total penalty amount for Northern Aggregates, INC.? ▼

Northern Aggregates, INC. has been assessed $20,765 in current OSHA penalties.

Does Northern Aggregates, INC. have any serious or willful violations? ▼

Yes. Northern Aggregates, INC. has 3 serious 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 Northern Aggregates, INC. operate in? ▼

Northern Aggregates, INC. operates in the Mining, Quarrying, Oil & Gas sector (NAICS code 212319). This industry has 2,294 employers tracked by PlainWorker, with 5,098 total OSHA inspections and $10.41M in cumulative penalties.

Where does Northern Aggregates, INC. rank nationally on OSHA penalties? ▼

Among the 99,447 U.S. employers with a nonzero current OSHA penalty in PlainWorker's corpus, Northern Aggregates, INC. ranks #16,786 (the top quarter 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 Northern Aggregates, INC.'s safety record compare to industry average? ▼

Northern Aggregates, INC.'s total OSHA penalty of $20,765 is above the Mining, Quarrying, Oil & Gas industry average of $4,539 per employer (4.6x the average). The employer has 4 inspections compared to the industry average of 2.2 per employer. For a direct comparison, Salt Painting, Inc. in Saegertown, 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.