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Employers › HI

Wholesale Trade · Waipahu, HI

R. M. Nakamura Plumbing and Mechanical Contractors INC

According to OSHA enforcement records (2010–2026), R. M. Nakamura Plumbing and Mechanical Contractors INC has a mixed safety record: 5 violations across 2 inspections. See the full breakdown below.

Upper half by penalty60% serious
$8,925
OSHA penalties
5
Violations cited
2
OSHA inspections
#38,771
of 100,495 penalized employers

R. M. Nakamura Plumbing and Mechanical Contractors INC in Waipahu, HI has been the subject of 2 OSHA workplace inspections and 5 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $8,925. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected R. M. Nakamura Plumbing and Mechanical Contractors INC 2 times over 3 years, roughly once every couple of years. These inspections resulted in 5 violations, averaging 2.5 per inspection, above what's typical for a single visit. Its total OSHA penalty ranks in the upper half of penalized employers nationally. Of these, 3 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, Southside Lumber Company, INC. in Butler, MO is another wholesale trade employer with 2 OSHA inspections on record and $8,907 in current penalties.

2.5
violations per inspection
60.0%
of violations were serious
61%
of penalized employers rank lower

How this employer compares on OSHA penalties

Total current penalty vs the Wholesale Trade per-employer average

in penalties

What this shows R. M. Nakamura Plumbing and Mechanical Contractors INC sits roughly in line with peers (1.0x 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

$8,925 Bottom 39% least affordable more affordable than 39% of 100,495 U.S. employers with a penalty

$0–$5,000: 44,435 U.S. employers with a penalty (44%). Below this entry. $5,000–$10,000: 20,628 U.S. employers with a penalty (21%). This entry sits in this band. $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 R. M. Nakamura Plumbing and Mechanical Contractors INC

The federal enforcement record for R. M. Nakamura Plumbing and Mechanical Contractors INC in Waipahu, HI includes 2 OSHA inspections and 5 violations, translating to 2.50 violations per inspection. Of those violations, 3 (60.0%) were classified as serious, 0 (0.0%) as willful, and 0 (0.0%) 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 $8,925 in initial penalties against this employer, later adjusted to a current total of $8,925 - no reduction from the original assessment. Average penalty per inspection works out to $4,463. Against the Wholesale Trade industry average of $9,023 per employer, this record sits roughly in line with peers (1.0x the sector average).

Inspection activity spans from 2016-11-22 to 2019-06-05, a window of roughly 3 years.

Enforcement detail

OSHA Inspection History

Total Inspections

2

First Inspection

2016-11-22

Last Inspection

2019-06-05

Inspection Span

3 yrs

Violations / Inspection

2.5

Avg Penalty / Inspection

$4,463

Industry Avg / Inspection

$4,678

What this shows 2 inspections over 3 years, averaging 2.5 violations per visit. That's $4,463 per inspection vs. the Wholesale Trade average of $4,678.

Enforcement detail

Violation Breakdown

3

Serious

60.0% of total

0

Willful

0.0% of total

0

Repeat

0.0% of total

2

Other-Than-Serious

40.0% 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

$8,925

Current Penalty Amount

$8,925

Penalty Reduction

None

What this shows No reduction on record. The current penalty matches the original OSHA assessment.

Industry Safety Context: Wholesale Trade

How R. M. Nakamura Plumbing and Mechanical Contractors INC compares to the Wholesale Trade sector, which has 6,960 employers tracked by PlainWorker.

Metric R. M. Nakamura Plumbing and Mechanical Contractors INC Industry Avg
Inspections 2 1.9
Violations 5 5.4
Total Penalty $8,925 $9,023
Avg Penalty per Inspection $4,463 $4,678
View all 6,960 employers in Wholesale Trade →

Nearby & Similar Employers in Wholesale Trade

W T Harvey Lumber Company
Columbus, GA
2 inspections $8,925
American Builders & Contractors Supply CO., INC.
Corpus Christi, TX
2 inspections $8,929
Blach Distributing CO.
Elko, NV
2 inspections $8,931
Paradise Flower Farms
Kula, HI
0 inspections $0
Southside Lumber Company, INC.
Butler, MO
2 inspections $8,907

Compare R. M. Nakamura Plumbing and Mechanical Contractors INC vs W T Harvey Lumber Company side-by-side →

Frequently Asked Questions

Is R. M. Nakamura Plumbing and Mechanical Contractors INC safe to work at? ▼
Based on OSHA records, R. M. Nakamura Plumbing and Mechanical Contractors INC's workplace safety record is mixed, with some compliance concerns. The employer has 5 violations across 2 inspections, including 3 serious violations. Compared to Wholesale Trade industry peers, this is below average for penalties. Review the full inspection history below for details.
How many OSHA violations does R. M. Nakamura Plumbing and Mechanical Contractors INC have? ▼
R. M. Nakamura Plumbing and Mechanical Contractors INC has 5 OSHA violations on record, including 3 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $8,925.
How many OSHA inspections has R. M. Nakamura Plumbing and Mechanical Contractors INC had? ▼
R. M. Nakamura Plumbing and Mechanical Contractors INC has had 2 OSHA inspections, with the first recorded on 2016-11-22 and the most recent on 2019-06-05. This averages 2.5 violations per inspection.
What is the total penalty amount for R. M. Nakamura Plumbing and Mechanical Contractors INC? ▼
R. M. Nakamura Plumbing and Mechanical Contractors INC has been assessed $8,925 in current OSHA penalties.
Does R. M. Nakamura Plumbing and Mechanical Contractors INC have any serious or willful violations? ▼
Yes. R. M. Nakamura Plumbing and Mechanical Contractors 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 R. M. Nakamura Plumbing and Mechanical Contractors INC operate in? ▼
R. M. Nakamura Plumbing and Mechanical Contractors INC operates in the Wholesale Trade sector (NAICS code 423720). This industry has 6,960 employers tracked by PlainWorker, with 13,424 total OSHA inspections and $62.80M in cumulative penalties.
How does R. M. Nakamura Plumbing and Mechanical Contractors INC's safety record compare to industry average? ▼
R. M. Nakamura Plumbing and Mechanical Contractors INC's total OSHA penalty of $8,925 is below the Wholesale Trade industry average of $9,023 per employer. The employer has 2 inspections compared to the industry average of 1.9 per employer. For a direct comparison, Southside Lumber Company, INC. in Butler, MO is a similar wholesale trade employer with $8,907 in current penalties.

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Wholesale Trade Industry

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What to check next

R. M. Nakamura Plumbing and Mechanical Contractors INC's record is one establishment in a larger pattern. Use it as a research checklist, not a verdict on the employer overall.

  • See how R. M. Nakamura Plumbing and Mechanical Contractors INC compares to the 6,960 other employers in Wholesale Trade. Wholesale Trade record
  • Put this employer head-to-head with another on inspections, penalties, and back wages. Compare employers
  • Review the full OSHA & wage-enforcement picture for HI. HI state record

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 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.