Construction · Wilmington, DE
Diamond Materials LLC
According to OSHA enforcement records (2010–2026), Diamond Materials LLC ranks #3,547 of 99,447 penalized U.S. employers by total current penalty, with a concerning safety record: 14 violations across 2 inspections.
- $64,290
- OSHA penalties
- 14
- Violations cited
- 2
- OSHA inspections
- #3,547
- of 99,447 penalized employers
Diamond Materials LLC in Wilmington, DE has been the subject of 2 OSHA workplace inspections and 14 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $64,290. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.
The record in one line
OSHA has inspected Diamond Materials LLC 2 times across a longer 5-year span, an infrequent cadence. These inspections resulted in 14 violations, averaging 7.0 per inspection - a notably high rate. According to OSHA enforcement records, its total current penalty ranks #3,547 of 99,447 penalized U.S. employers (the top 5% of penalized employers nationally). Of these, 12 were classified as serious - indicating hazards that could cause death or serious harm. Against the Construction industry average of 2 inspections per employer, this sits roughly in line with peers (1.0x the sector average) on inspection frequency. For comparison, Jose Construction in Pontiac, MI is another construction employer with 0 OSHA inspections on record and $0 in current penalties.
- 7.0
- violations per inspection
- 85.7%
- of violations were serious
- #3,547
- of 99,447 penalized employers
Compliance score
- F OSHA safety compliance: 14 violations across 2 OSHA inspections (7.0 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.
How Diamond Materials LLC compares on OSHA penalties
Total current penalty vs the Construction per-employer average
- Diamond Materials LLC
Diamond Materials LLC
$64,290 in penalties
- Construction avg $6,767
Construction industry average (per employer)
$6,767 in penalties
What this shows Diamond Materials LLC runs far above peers (9.5x 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
$64,290 Bottom 4% least affordable more affordable than 4% 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 Construction employers with an OSHA inspection on record, placed by inspections and violations cited. The highlighted dot is Diamond Materials LLC.
Diamond Materials LLC in the Construction enforcement ledger
Among 33,222 Construction employers with OSHA penalties on file, Diamond Materials LLC ranks #877 at $64,290 current penalty.
How Diamond Materials LLC Compares
Diamond Materials LLC's 7.00 violations per inspection compares to the Construction sector average of 3.3 violations per employer.
Against the Construction industry average of $6,767 per employer, this employer's current OSHA penalty runs far above peers (9.5x the sector average).
Enforcement detail
OSHA Inspection History
Total Inspections
2
First Inspection
2016-07-08
Last Inspection
2021-12-22
Inspection Span
5 yrs
Violations / Inspection
7.0
Avg Penalty / Inspection
$32,145
Industry Avg / Inspection
$3,361
What this shows 2 inspections over 5 years, averaging 7.0 violations per visit. That's $32,145 per inspection vs. the Construction average of $3,361.
Enforcement detail
Violation Breakdown
12
Serious
85.7% of total
0
Willful
0.0% of total
0
Repeat
0.0% of total
2
Other-Than-Serious
14.3% 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.
Enforcement detail
Penalty Analysis
Initial Penalty Assessed
$86,187
Current Penalty Amount
$64,290
Penalty Reduction
25.4%
What this shows Penalties were reduced by $21,897 from the initial assessment of $86,187. Reductions may result from informal settlements, formal contests, or negotiated agreements with OSHA.
Industry Safety Context: Construction
How Diamond Materials LLC compares to the Construction sector, which has 61,260 employers tracked by PlainWorker.
| Metric | Diamond Materials LLC | Industry Avg |
|---|---|---|
| Inspections | 2 | 2.0 |
| Violations | 14 | 3.3 |
| Total Penalty | $64,290 | $6,767 |
| Avg Penalty per Inspection | $32,145 | $3,361 |
Nationwide Construction peers with similar penalties or inspection counts
Two OSHA-record peer sets for Diamond Materials LLC, both outside DE so the neighborhoods are not geographic containment.
Similar current OSHA penalty
Nearest same-sector employers by current assessed penalty ($64,290 here).
Similar OSHA inspection count
Same-sector employers with a comparable inspection history outside this state (2 inspections here).
Nearby & Similar Employers in Construction
Showing 5 of 61259 other employers tracked in this sector.
Compare Diamond Materials LLC vs Access Data Network Solutions side-by-side →
What to do with this record
Use Diamond Materials LLC's enforcement history as one data point, not the whole picture.
- A single employer's record can look unusual in isolation. Compare Diamond Materials LLC against Access Data Network Solutions, a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
- See whether Diamond Materials LLC's inspection and penalty record is typical for Construction or an outlier against the sector's own average. View the Construction 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
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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.