Assembly plants, heavy trucks, and buses on chassis of own manufacture · Wisconsin
W.S Darley Apparatus
Chippewa Falls, WI · ~25 workers · 6 years of OSHA Injury Tracking Application data.
- B
- Good Safety Record
- 2.0
- Avg TCR
- 3.3
- Industry avg
- 0
- Fatalities
The verdict
W.S Darley Apparatus runs at 62% of its industry's injury rate - safer than the typical Assembly plants, heavy trucks, and buses on chassis of own manufacture workplace, earning a grade B.
W.S Darley Apparatus: 2.0 TCR = 62% of Assembly plants, heavy trucks, and buses on chassis of own manufacture BLS 3.3 · 6y Form 300A (see methodology below)
W.S Darley Apparatus safety composite
W.S Darley Apparatus scores strongest on dart rate (safer than 88% of same-industry peers) and weakest on fatalities (safer than 50%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).
72/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- C 2.03 per 100 workers
Safer than 71% of industry peers
- DART rate
- B 0 per 100 workers
Safer than 88% of industry peers
- Fatalities
- D 0
Safer than 50% of industry peers
Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).
W.S Darley Apparatus held a steady TCR band
W.S Darley Apparatus's TCR held near 0.0 from 0.0 in 2019 to 0.0 in 2024. Peak filing year was 2023 at 8.0 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).
2019=0.0 · 2020=0.0 · 2021=4.1 · 2022=0.0 · 2023=8.0 · 2024=0.0
OSHA ITA Form 300A scorecard
Establishment book 336120 · Chippewa Falls, WI AT/BELOW-IND · SMALL
Grade B · TCR 2.0 · 62% of ind
- DART 0.0 DART
- RANK #11/29
- PHOTO Oakwood
- BOOK 6y book
- INJ 3 inj
- SIZE ~25 FTE
Nearest TCR peer: Oakwood (0.0 TCR gap)
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W.S Darley Apparatus in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- Peterbilt Pacc
Peterbilt Paccar
2.1 TCR
- This site
W.S Darley Apparatus
2 TCR
- Oakwood
Oakwood
2 TCR
- Daimler Truck
Daimler Truck North America - Custom Truck Services (Cleveland)
2 TCR
- Hino Motors Ma
Hino Motors Manufacturing USA
2 TCR
What this shows W.S Darley Apparatus averages 2.0 TCR (62% of the Assembly plants, heavy trucks, and buses on chassis of own manufacture BLS benchmark).
W.S Darley Apparatus TCR series: 2019=0 · 2020=0 · 2021=4.1 · 2022=0 · 2023=8 · 2024=0 · BLS 3.3
Where W.S Darley Apparatus falls in its industry
124 Assembly plants, heavy trucks, establishmentsSafer than 71% of graded establishments in this industry, whose median TCR is 3.5.
Narrower to Wisconsin alone (the establishments it most directly competes with for workers and contracts): ranked #11 safest of 29 Assembly plants, heavy trucks, employers in Wisconsin.
W.S Darley Apparatus has fewer employees than the Assembly plants, heavy trucks, and buses median and a lower injury rate than the industry's median TCR of 3.5. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.
Year-by-Year Safety Data
| Year | TCR | DART | Injuries | Illnesses | Fatalities |
|---|---|---|---|---|---|
| 2024 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2023 | 8.0 | 4.0 | 2 | 0 | 0 |
| 2022 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2021 | 4.1 | 0.0 | 1 | 0 | 0 |
| 2020 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2019 | 0.0 | 0.0 | 0 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
336120 · WI · Chippewa Falls
124 Assembly plants, heavy trucks, and buses on chassis of own manufacture employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 112 employers in Chippewa Falls, WI · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.
| Rel | Establishment | Metric |
|---|---|---|
| NAICS-TCR | Oakwood | 2.0 TCR |
| NAICS-TCR | Daimler Truck North America - Custom Truck Services (Cleveland) | 2.0 TCR |
| NAICS-TCR | Peterbilt Paccar | 2.1 TCR |
| NAICS-TCR | Hino Motors Manufacturing USA | 2.0 TCR |
| STATE-SIZE | Fergusons Minnesota Harvest LLC | 25 FTE |
| STATE-SIZE | Minocqua Service Center | 25 FTE |
| STATE-SIZE | Janesville Headquarters | 25 FTE |
| STATE-SIZE | Berlin Office | 25 FTE |
| CITY-NEAR | TTM Technologies Chippewa Falls | 649 FTE |
| CITY-NEAR | WM 5373 | 528 FTE |
| CITY-NEAR | River Country Co-op | 499 FTE |
| CITY-NEAR | TTM Technologies | 457 FTE |
| NAT-TCR | Holt Services Inc. | 2.0 TCR |
| NAT-TCR | NC Rental Tukwila | 2.0 TCR |
| NAT-TCR | Reotemp Instrument Corporation | 2.0 TCR |
| NAT-TCR | Burbank, CA | 2.0 TCR |
| NAT-SIZE | M Contractors, LLC | 25 FTE |
| NAT-SIZE | Holbrook Lumber Co Inc | 25 FTE |
| NAT-SIZE | ACSCO Products, Inc | 25 FTE |
| NAT-SIZE | Labor Resources | 25 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.