Wholesale Trade · Corona, CA

Frontier Aluminum Corporation

According to OSHA enforcement records (2010–2026), Frontier Aluminum Corporation ranks #25,387 of 99,447 penalized U.S. employers by total current penalty, with a average safety record: 3 violations across 2 inspections.

Upper half by penalty67% serious

Compiled by Plainworker · September 6, 2026

$14,250
OSHA penalties: 3
Violations cited: 2
OSHA inspections: #25,387
of 99,447 penalized employers

Frontier Aluminum Corporation in Corona, CA has been the subject of 2 OSHA workplace inspections and 3 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $14,250. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected Frontier Aluminum Corporation 2 times over 1 year - more than twice a year on average. These inspections resulted in 3 violations, averaging 1.5 per inspection. According to OSHA enforcement records, its total current penalty ranks #25,387 of 99,447 penalized U.S. employers (the upper half of penalized employers nationally). Of these, 2 were classified as serious - indicating hazards that could cause death or serious harm. Against the Wholesale Trade industry average of 2 inspections per employer, this sits roughly in line with peers (1.0x the sector average) on inspection frequency. For comparison, Wittichen Supply Company in Birmingham, AL is another wholesale trade employer with 0 OSHA inspections on record and $0 in current penalties.

1.5
violations per inspection: 66.7%
of violations were serious: #25,387
of 99,447 penalized employers

Compliance score

C 68/100

C OSHA safety compliance: 3 violations across 2 OSHA inspections (1.5 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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Frontier Aluminum Corp…

$14,250
Wholesale Trade avg

$9,112

What this shows Frontier Aluminum Corporation runs moderately above peers (1.6x 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

$14,250 Bottom 26% least affordable more affordable than 26% 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 Wholesale Trade employers with an OSHA inspection on record, placed by inspections and violations cited. The highlighted dot is Frontier Aluminum Corporation.

Frontier Aluminum Corporation has 2 OSHA inspections on record and 3 violations cited. The crosshair marks the median among these Wholesale Trade peers. Across this sector's tracked employers, more inspections is moderately associated with more violations found -- not a coincidence, but not a guarantee either.

Frontier Aluminum Corporation in the Wholesale Trade enforcement ledger

Among 4,429 Wholesale Trade employers with OSHA penalties on file, Frontier Aluminum Corporation ranks #1,213 at $14,250 current penalty.

How Frontier Aluminum Corporation Compares

Frontier Aluminum Corporation's 1.50 violations per inspection compares to the Wholesale Trade sector average of 5.5 violations per employer.

Against the Wholesale Trade industry average of $9,112 per employer, this employer's current OSHA penalty runs moderately above peers (1.6x the sector average).

Total Inspections

First Inspection

2016-09-21

Last Inspection

2017-10-06

Inspection Span

1 yr

Violations / Inspection

1.5

Avg Penalty / Inspection

$7,125

Industry Avg / Inspection

$4,665

What this shows 2 inspections over 1 year, averaging 1.5 violations per visit. That's $7,125 per inspection vs. the Wholesale Trade average of $4,665.

Serious

66.7% of total

Willful

0.0% of total

Repeat

0.0% of total

Other-Than-Serious

33.3% 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

$36,750

Current Penalty Amount

$14,250

Penalty Reduction

61.2%

What this shows Penalties were reduced by $22,500 from the initial assessment of $36,750. Reductions may result from informal settlements, formal contests, or negotiated agreements with OSHA.

Industry Safety Context: Wholesale Trade

How Frontier Aluminum Corporation compares to the Wholesale Trade sector, which has 6,881 employers tracked by PlainWorker.

Metric	Frontier Aluminum Corporation	Industry Avg
Inspections	2	2.0
Violations	3	5.5
Total Penalty	$14,250	$9,112
Avg Penalty per Inspection	$7,125	$4,665

View all 6,881 employers in Wholesale Trade →

Nationwide Wholesale Trade peers with similar penalties or inspection counts

Two OSHA-record peer sets for Frontier Aluminum Corporation, both outside CA so the neighborhoods are not geographic containment.

Similar current OSHA penalty

Nearest same-sector employers by current assessed penalty ($14,250 here).

Abilene Machine INC $14,249 KS Equity Cooperative Livestock Sales Association $14,276 WI B & E Juices, INC. $14,279 CT Mill Steel Corporation $14,219 NH

Similar OSHA inspection count

Same-sector employers with a comparable inspection history outside this state (2 inspections here).

Fenix Parts INC 2 insp. Rahway, NJ Agxplore International, LLC 2 insp. Parma, MO Cargill INC 2 insp. Cheyenne Wells, CO Key Cooperative 2 insp. Grinnell, IA

Nearby & Similar Employers in Wholesale Trade

Showing 5 of 6880 other employers tracked in this sector.

Abilene Machine INC

Solomon, KS

2 inspections $14,249

Equity Cooperative Livestock Sales Association

Monroe, WI

2 inspections $14,276

B & E Juices, INC.

Bridgeport, CT

2 inspections $14,279

Mill Steel Corporation

Manchester, NH

2 inspections $14,219

Wittichen Supply Company

Birmingham, AL

0 inspections $0

Compare Frontier Aluminum Corporation vs Abilene Machine INC side-by-side →

What to do with this record

Use Frontier Aluminum Corporation's enforcement history as one data point, not the whole picture.

A single employer's record can look unusual in isolation. Compare Frontier Aluminum Corporation against Abilene Machine INC, a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
See whether Frontier Aluminum Corporation's inspection and penalty record is typical for Wholesale Trade or an outlier against the sector's own average. View the Wholesale Trade 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 Frontier Aluminum Corporation safe to work at? ▼

Based on OSHA records, Frontier Aluminum Corporation's workplace safety record is average, with typical for this industry. The employer has 3 violations across 2 inspections, including 2 serious violations. Compared to Wholesale Trade industry peers, this is above average for penalties. Review the full inspection history below for details.

How many OSHA violations does Frontier Aluminum Corporation have? ▼

Frontier Aluminum Corporation has 3 OSHA violations on record, including 2 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $14,250.

How many OSHA inspections has Frontier Aluminum Corporation had? ▼

Frontier Aluminum Corporation has had 2 OSHA inspections, with the first recorded on 2016-09-21 and the most recent on 2017-10-06. This averages 1.5 violations per inspection.

What is the total penalty amount for Frontier Aluminum Corporation? ▼

Frontier Aluminum Corporation has been assessed $14,250 in current OSHA penalties, reduced from an initial assessment of $36,750 (a 61.2% reduction).

Does Frontier Aluminum Corporation have any serious or willful violations? ▼

Yes. Frontier Aluminum Corporation has 2 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 Frontier Aluminum Corporation operate in? ▼

Frontier Aluminum Corporation operates in the Wholesale Trade sector (NAICS code 423510). This industry has 6,881 employers tracked by PlainWorker, with 13,442 total OSHA inspections and $62.70M in cumulative penalties.

Where does Frontier Aluminum Corporation rank nationally on OSHA penalties? ▼

Among the 99,447 U.S. employers with a nonzero current OSHA penalty in PlainWorker's corpus, Frontier Aluminum Corporation ranks #25,387 (the upper half 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 Frontier Aluminum Corporation's safety record compare to industry average? ▼

Frontier Aluminum Corporation's total OSHA penalty of $14,250 is above the Wholesale Trade industry average of $9,112 per employer (1.6x the average). The employer has 2 inspections compared to the industry average of 2.0 per employer. For a direct comparison, Wittichen Supply Company in Birmingham, AL is a similar wholesale trade 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.