Drive shafts and half shafts, automotive, truck, and bus, manufacturing · Indiana
NTN Driveshaft Inc.
Columbus, IN · ~1,756 workers · 6 years of OSHA Injury Tracking Application data.
- B
- Good Safety Record
- 3.6
- Avg TCR
- 5.4
- Industry avg
- 0
- Fatalities
The verdict
NTN Driveshaft Inc. runs at 68% of its industry's injury rate - safer than the typical Drive shafts and half shafts, automotive, truck, and bus, manufacturing workplace, earning a grade B.
- B
- Good Safety Record
- 3.6
- avg TCR · per 100 workers
- 5.4
- industry benchmark (BLS)
- 348
- recordable injuries tracked
Grade compares NTN Driveshaft Inc.'s OSHA Total Case Rate of 3.6 to the Drive shafts and half shafts, automotive, truck, and bus, manufacturing BLS benchmark of 5.4 (68% of benchmark) across 6 years of Form 300A filings (2016–2024). <a href="/methodology">See methodology</a> for reporting-limitation caveats.
Injury rate over time
NTN Driveshaft Inc.'s yearly Total Case Rate, against the 5.4 industry benchmark.
Where NTN Driveshaft Inc. falls in its industry
339 Drive shafts and half shafts, establishmentsSafer than 33% of graded establishments in this industry, whose median TCR is 2.6.
Narrower to Indiana alone (the establishments it most directly competes with for workers and contracts): ranked #30 safest of 43 Drive shafts and half shafts, employers in Indiana.
Trend analysis for NTN Driveshaft Inc.
Between 2016 and 2024, NTN Driveshaft Inc.'s Total Case Rate improved from 6.2 to 1.9 recordable injuries per 100 full-time workers, a 69% decrease across 8 years of OSHA reporting.
The safest year on record was 2023, at a TCR of 1.4, while 2016 saw the highest rate, at 6.2, a spread of 4.7 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 6 reporting years, NTN Driveshaft Inc. recorded 348 total injuries and illnesses, with no fatalities reported in any of those years. Readers comparing establishments should weigh the 6-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 348 injuries, 23 illnesses shown on this page for NTN Driveshaft Inc. are sourced from its own 6 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 336350 - Drive shafts and half shafts, automotive, truck, and bus, 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.
19 DART incidents × 200,000 ÷ 3,588,925 hours worked = 1.06 DART
Methodology: 29 CFR 1904, OSHA Form 300A recordkeeping
Cross-Validating Context, Establishment vs Industry vs State
| Benchmark | TCR | Source |
|---|---|---|
| NTN Driveshaft Inc. (this establishment) | 3.65 | OSHA ITA Form 300A, 6-year avg |
| Transmissions and parts, automotive, truck, and bus, manufacturing industry avg | 5.40 | BLS IIF, NAICS 336350 |
| Indiana state avg (all industries) | 4.53 | 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 NTN Driveshaft Inc. 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: 34 reportable incidents · 34 injuries, 0 illnesses, 0 fatalities - OSHA inspection records (case numbers)
- 2023: 28 reportable incidents · 28 injuries, 0 illnesses, 0 fatalities - OSHA inspection records (case numbers)
- 2022: 65 reportable incidents · 65 injuries, 0 illnesses, 0 fatalities - OSHA inspection records (case numbers)
- 2021: 58 reportable incidents · 54 injuries, 4 illnesses, 0 fatalities - OSHA inspection records (case numbers)
- 2020: 74 reportable incidents · 68 injuries, 6 illnesses, 0 fatalities - OSHA inspection records (case numbers)
- 2016: 112 reportable incidents · 99 injuries, 13 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 | 1.9 | 1.1 | 34 | 0 | 0 |
| 2023 | 1.4 | 1.1 | 28 | 0 | 0 |
| 2022 | 3.1 | 1.4 | 65 | 0 | 0 |
| 2021 | 3.6 | 1.8 | 54 | 4 | 0 |
| 2020 | 5.7 | 3.5 | 68 | 6 | 0 |
| 2016 | 6.2 | 4.2 | 99 | 13 | 0 |
What this grade means for you
Use this grade as a relative read on NTN Driveshaft Inc.'s reported OSHA injury record, strong versus its Drive shafts and half shafts, automotive, truck, and bus, manufacturing peers, but not a guarantee about any single site today.
- At 68% of the Drive shafts and half shafts, automotive, truck, and bus, manufacturing benchmark, NTN Driveshaft Inc. 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 Drive shafts and half shafts, automotive, truck, and bus, 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 NTN Driveshaft Inc.'s safety grade?
How many injuries has NTN Driveshaft Inc. reported?
Similar Employers
Matched by safety record across the industry, by workforce size within Indiana, and by nearby establishments in Columbus - a different peer set than the category browse links below.
Similar TCR (~3.6)
Similar size (~1,756 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.