Valves, engine, intake and exhaust, manufacturing · North Carolina
Holley Inc. - Detroit Speed
Mooresville, NC · ~50 workers · 3 years of OSHA Injury Tracking Application data.
- A
- Excellent Safety Record
- 1.9
- Avg TCR
- 5.4
- Industry avg
- 0
- Fatalities
The verdict
Holley Inc. - Detroit Speed runs at 35% of its industry's injury rate - far safer than the typical Valves, engine, intake and exhaust, manufacturing workplace, earning a grade A.
- A
- Excellent Safety Record
- 1.9
- avg TCR · per 100 workers
- 5.4
- industry benchmark (BLS)
- 3
- recordable injuries tracked
Grade compares Holley Inc. - Detroit Speed's OSHA Total Case Rate of 1.9 to the Valves, engine, intake and exhaust, manufacturing BLS benchmark of 5.4 (35% of benchmark) across 3 years of Form 300A filings (2016–2024). <a href="/methodology">See methodology</a> for reporting-limitation caveats.
Injury rate over time
Holley Inc. - Detroit Speed's yearly Total Case Rate, against the 5.4 industry benchmark.
Where Holley Inc. - Detroit Speed falls in its industry
233 Valves, engine, intake and exh establishmentsSafer than 66% of graded establishments in this industry, whose median TCR is 2.8.
Narrower to North Carolina alone (the establishments it most directly competes with for workers and contracts): ranked #5 safest of 11 Valves, engine, intake and exh employers in North Carolina.
Trend analysis for Holley Inc. - Detroit Speed
Between 2022 and 2024, Holley Inc. - Detroit Speed's Total Case Rate held roughly steady from 0.0 to 2.0 recordable injuries per 100 full-time workers, a 0% change across 2 years of OSHA reporting.
The safest year on record was 2022, at a TCR of 0.0, while 2023 saw the highest rate, at 3.7, a spread of 3.7 points between the best and worst reporting years. That's a wide swing relative to the establishment's overall rate, worth checking the year-by-year table below for whether a single severe year is driving the average, rather than a sustained trend.
Summed across those 3 reporting years, Holley Inc. - Detroit Speed recorded 3 total injuries and illnesses, with no fatalities reported in any of those years. Readers comparing establishments should weigh the 3-year trend above alongside establishment size, since a larger workforce naturally accumulates more raw incidents even at a lower per-100-worker rate.
Verify This Employer with OSHA
The 3 injuries shown on this page for Holley Inc. - Detroit Speed are sourced from its own 3 years of mandatory OSHA Form 300A summaries. Cross-check the underlying establishment record directly against the federal source, name, NAICS classification, recordable case totals, and inspection history are all searchable on OSHA's Establishment-Specific Injury and Illness Data system.
Verify on OSHA Establishment SearchSource: U.S. Department of Labor, OSHA Establishment-Specific Injury and Illness Data. NAICS 336310 - Valves, engine, intake and exhaust, manufacturing.
DART Rate, Transparent Calculation (2024)
What is the DART rate formula?
DART (Days Away, Restricted, or Transferred) is computed by OSHA as incidents × 200,000 ÷ hours worked. The 200,000-hour denominator equals roughly 100 full-time workers, which lets establishments of very different sizes be compared directly.
1 DART incidents × 200,000 ÷ 98,991 hours worked = 2.02 DART
Methodology: 29 CFR 1904, OSHA Form 300A recordkeeping
Cross-Validating Context, Establishment vs Industry vs State
| Benchmark | TCR | Source |
|---|---|---|
| Holley Inc. - Detroit Speed (this establishment) | 1.91 | OSHA ITA Form 300A, 3-year avg |
| Connecting rods, automotive and truck gasoline engine, manufacturing industry avg | 5.40 | BLS IIF, NAICS 336310 |
| North Carolina state avg (all industries) | 3.89 | OSHA ITA, state-level rollup |
Industry benchmarks: Bureau of Labor Statistics, Injuries, Illnesses, and Fatalities (IIF) program
Reportable Incident Timeline
Year-by-year reportable incidents (recordable injuries + illnesses + fatalities) submitted by Holley Inc. - Detroit Speed to OSHA's Injury Tracking Application. Each row anchors to OSHA's inspection records search where you can pull the underlying inspection case numbers and citations for that establishment-year.
- 2024: 1 reportable incidents · 1 injuries, 0 illnesses, 0 fatalities - OSHA inspection records (case numbers)
- 2023: 2 reportable incidents · 2 injuries, 0 illnesses, 0 fatalities - OSHA inspection records (case numbers)
- 2022: 0 reportable incidents · 0 injuries, 0 illnesses, 0 fatalities - OSHA inspection records (case numbers)
Source: OSHA Inspection Information System (IMIS) - inspection case-number records
Year-by-Year Safety Data
| Year | TCR | DART | Injuries | Illnesses | Fatalities |
|---|---|---|---|---|---|
| 2024 | 2.0 | 2.0 | 1 | 0 | 0 |
| 2023 | 3.7 | 0.0 | 2 | 0 | 0 |
| 2022 | 0.0 | 0.0 | 0 | 0 | 0 |
What this grade means for you
Use this grade as a relative read on Holley Inc. - Detroit Speed's reported OSHA injury record, strong versus its Valves, engine, intake and exhaust, manufacturing peers, but not a guarantee about any single site today.
- At 35% of the Valves, engine, intake and exhaust, manufacturing benchmark, Holley Inc. - Detroit Speed reports fewer injuries than typical peers, still worth asking how safety is managed day to day. Know your rights
- Judge this record against the wider Valves, engine, intake and exhaust, manufacturing sector, where injury rates vary widely, before comparing it in isolation. See the industry
- Grades reflect 2016–2024 filings; check the latest establishment record straight from OSHA, or look up a different employer. Look up another
Safety grades reflect employers' self-reported OSHA Form 300A filings from 2016 to 2024 and can lag current conditions. A grade is not a guarantee that any specific workplace is safe or unsafe today. See our methodology and disclaimer.
Frequently Asked Questions
What is Holley Inc. - Detroit Speed's safety grade?
How many injuries has Holley Inc. - Detroit Speed reported?
Similar Employers
Matched by safety record across the industry, by workforce size within North Carolina, and by nearby establishments in Mooresville - a different peer set than the category browse links below.
Similar TCR (~1.9)
Similar size (~50 workers)
Read our methodology - how this data is sourced, computed, and verified.
Every figure and grade on PlainSafetyScore is computed directly from OSHA's published Injury Tracking Application data and BLS industry benchmarks, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these safety grades, or report a data error. Data current as of 2016-2024 OSHA ITA release.