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Employers › MI

Manufacturing · Romulus, MI

Detroit Thermal Systems LLC

According to OSHA enforcement records (2010–2026), Detroit Thermal Systems LLC has a concerning safety record: 93 violations across 9 inspections. See the full breakdown below.

Top 5% by penalty63% serious
$70,500
OSHA penalties
93
Violations cited
9
OSHA inspections
#3,025
of 100,495 penalized employers

Detroit Thermal Systems LLC in Romulus, MI has been the subject of 9 OSHA workplace inspections and 93 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $70,500. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected Detroit Thermal Systems LLC 9 times over 9 years, roughly annually. These inspections turned up 93 violations, averaging 10.3 per inspection - an extremely dense concentration of citations. Its total OSHA penalty ranks in the top 5% of penalized employers nationally. Of these, 59 were classified as serious - indicating hazards that could cause death or serious harm. Against the Manufacturing industry average of 3 inspections per employer, this runs well above peers (3.6x the sector average) on inspection frequency. For comparison, Mid American Steel & Wire CO., LLC in Madill, OK is another manufacturing employer with 8 OSHA inspections on record and $70,536 in current penalties.

10.3
violations per inspection
63.4%
of violations were serious
97%
of penalized employers rank lower

How Detroit Thermal Systems LLC compares on OSHA penalties

Total current penalty vs the Manufacturing per-employer average

in penalties

What this shows Detroit Thermal Systems LLC runs well above peers (4.6x 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

$70,500 Bottom 3% least affordable more affordable than 3% 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%). Below this entry. $10,000–$15,000: 11,165 U.S. employers with a penalty (11%). Below this entry. $15,000–$20,000: 6,629 U.S. employers with a penalty (7%). Below this entry. $20,000–$25,000: 4,205 U.S. employers with a penalty (4%). Below this entry. $25,000–$30,000: 2,885 U.S. employers with a penalty (3%). Below this entry. $30,000–$35,000: 2,052 U.S. employers with a penalty (2%). Below this entry. $35,000–$40,000: 1,483 U.S. employers with a penalty (1%). Below this entry. $40,000–$45,000: 1,120 U.S. employers with a penalty (1%). Below this entry. $45,000–$50,000: 792 U.S. employers with a penalty (1%). Below this entry. $50,000+: 5,101 U.S. employers with a penalty (5%). This entry ($70,500) is well above this band, the chart's rightmost open-ended bucket. This employer: $70,500 $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 Detroit Thermal Systems LLC

The federal enforcement record for Detroit Thermal Systems LLC in Romulus, MI includes 9 OSHA inspections and 93 violations, translating to 10.33 violations per inspection. Of those violations, 59 (63.4%) were classified as serious, 0 (0.0%) as willful, and 9 (9.7%) 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 $146,800 in initial penalties against this employer, later adjusted to a current total of $70,500 - a 52.0% reduction. Average penalty per inspection works out to $7,833. Against the Manufacturing industry average of $15,410 per employer, this record runs well above peers (4.6x the sector average).

Inspection activity spans from 2015-03-26 to 2023-12-14, a window of roughly 9 years.

Enforcement detail

OSHA Inspection History

Total Inspections

9

First Inspection

2015-03-26

Last Inspection

2023-12-14

Inspection Span

9 yrs

Violations / Inspection

10.3

Avg Penalty / Inspection

$7,833

Industry Avg / Inspection

$6,092

What this shows 9 inspections over 9 years, averaging 10.3 violations per visit. That's $7,833 per inspection vs. the Manufacturing average of $6,092.

Enforcement detail

Violation Breakdown

59

Serious

63.4% of total

0

Willful

0.0% of total

9

Repeat

9.7% of total

25

Other-Than-Serious

26.9% 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

$146,800

Current Penalty Amount

$70,500

Penalty Reduction

52.0%

What this shows Penalties were reduced by $76,300 from the initial assessment of $146,800. Reductions may result from informal settlements, formal contests, or negotiated agreements with OSHA.

Industry Safety Context: Manufacturing

How Detroit Thermal Systems LLC compares to the Manufacturing sector, which has 45,665 employers tracked by PlainWorker.

Metric Detroit Thermal Systems LLC Industry Avg
Inspections 9 2.5
Violations 93 7.8
Total Penalty $70,500 $15,410
Avg Penalty per Inspection $7,833 $6,092
View all 45,665 employers in Manufacturing →

Nearby & Similar Employers in Manufacturing

TYK America, INC.
Clairton, PA
3 inspections $70,500
Reddy Ice Corporation
Austin, TX
2 inspections $70,500
HI Plains Feed, LLC
Garden City, KS
4 inspections $70,496
Mid American Steel & Wire CO., LLC
Madill, OK
8 inspections $70,536
Northeast Agricultural Sales, INC.
Detroit, ME
3 inspections $70,427

Compare Detroit Thermal Systems LLC vs TYK America, INC. side-by-side →

Frequently Asked Questions

Is Detroit Thermal Systems LLC safe to work at? ▼
Based on OSHA records, Detroit Thermal Systems LLC's workplace safety record is concerning, with multiple serious compliance issues. The employer has 93 violations across 9 inspections, including 59 serious violations. Compared to Manufacturing industry peers, this is above average for penalties. Review the full inspection history below for details.
How many OSHA violations does Detroit Thermal Systems LLC have? ▼
Detroit Thermal Systems LLC has 93 OSHA violations on record, including 59 serious, 0 willful, and 9 repeat violations. The total current penalty amount is $70,500.
How many OSHA inspections has Detroit Thermal Systems LLC had? ▼
Detroit Thermal Systems LLC has had 9 OSHA inspections, with the first recorded on 2015-03-26 and the most recent on 2023-12-14. This averages 10.3 violations per inspection.
What is the total penalty amount for Detroit Thermal Systems LLC? ▼
Detroit Thermal Systems LLC has been assessed $70,500 in current OSHA penalties, reduced from an initial assessment of $146,800 (a 52.0% reduction).
Does Detroit Thermal Systems LLC have any serious or willful violations? ▼
Yes. Detroit Thermal Systems LLC has 59 serious violations, and 9 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 Detroit Thermal Systems LLC operate in? ▼
Detroit Thermal Systems LLC operates in the Manufacturing sector (NAICS code 336390). This industry has 45,665 employers tracked by PlainWorker, with 115,522 total OSHA inspections and $703.72M in cumulative penalties.
How does Detroit Thermal Systems LLC's safety record compare to industry average? ▼
Detroit Thermal Systems LLC's total OSHA penalty of $70,500 is above the Manufacturing industry average of $15,410 per employer (4.6x the average). The employer has 9 inspections compared to the industry average of 2.5 per employer. For a direct comparison, Mid American Steel & Wire CO., LLC in Madill, OK is a similar manufacturing employer with $70,536 in current penalties.

Explore PlainWorker

Manufacturing Industry

All 45,665 employers in this sector
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What to check next

Detroit Thermal Systems LLC'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.