Pistons and piston rings manufacturing · Wisconsin

United Piston Ring

Manitowoc, WI · ~75 workers · 5 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.2
Avg TCR
5.4
Industry avg
0
Fatalities
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The verdict

United Piston Ring runs at 21% of its industry's injury rate - far safer than the typical Pistons and piston rings manufacturing workplace, earning a grade A.

United Piston Ring: 1.2 TCR = 21% of Pistons and piston rings manufacturing BLS 5.4 · 5y Form 300A (see methodology below)

United Piston Ring safety composite

United Piston Ring scores strongest on dart rate (safer than 90% 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).

B

78/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.16 per 100 workers

Safer than 84% of industry peers

DART rate
A 0 per 100 workers

Safer than 90% 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%).

Rising injury rate

United Piston Ring: 0.0 → 1.6 TCR

Peak year 2019 @ 2.5 TCR · DART/TCR 0× in 2022

United Piston Ring's TCR rose 1.6 from 0.0 in 2018 to 1.6 in 2022. Peak filing year was 2019 at 2.5 TCR. In 2022, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 336310 · Manitowoc, WI AT/BELOW-IND · SMALL

Grade A · TCR 1.2 · 21% of ind

  • DART 0.0 DART
  • RANK #2/13
  • PHOTO TI Group Automotive …
  • BOOK 5y book
  • INJ 4 inj
  • SIZE ~75 FTE

Nearest TCR peer: TI Group Automotive Systems - Greeneville (0.0 TCR gap)

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United Piston Ring in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows United Piston Ring averages 1.2 TCR (21% of the Pistons and piston rings manufacturing BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

United Piston Ring TCR series: 2018=0 · 2019=2.5 · 2020=1.7 · 2021=0 · 2022=1.6 · BLS 5.4

Where United Piston Ring falls in its industry

221 Pistons and piston rings manuf establishments

Safer than 84% of graded establishments in this industry, whose median TCR is 2.9.

More dangerous than peersSafer than peers

Narrower to Wisconsin alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 13 Pistons and piston rings manuf employers in Wisconsin.

United Piston Ring (75 employees, TCR 1.2) among 29 same-industry peers, split at the industry median of 165 employees and a TCR of 2.9 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 02004006008001,000 05101520 Average employees Total Case Rate United Piston Ring
United Piston Ring (75 employees, TCR 1.2) among 29 same-industry peers, split at the industry median of 165 employees and a TCR of 2.9

United Piston Ring has fewer employees than the Pistons and piston rings manufacturing median and a lower injury rate than the industry's median TCR of 2.9. 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
2022 1.6 0.0 1 0 0
2021 0.0 0.0 0 0 0
2020 1.7 1.7 1 0 0
2019 2.5 2.5 2 0 0
2018 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

336310 · WI · Manitowoc

221 Pistons and piston rings manufacturing employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 116 employers in Manitowoc, 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 TI Group Automotive Systems - Greeneville 1.2 TCR
NAICS-TCR Trenton South Engine Plant 1.1 TCR
NAICS-TCR Alfmeier Friedrichs & Rath LLC 1.1 TCR
NAICS-TCR Fort Mill II 1.1 TCR
STATE-SIZE Alma Plants 75 FTE
STATE-SIZE Burlington Office 75 FTE
STATE-SIZE The Wanasek Corporation 75 FTE
STATE-SIZE Wenger Construction, Inc. 75 FTE
CITY-NEAR Holy Family Memorial Medical Center 1,079 FTE
CITY-NEAR Federal-Mogul Manitowoc 629 FTE
CITY-NEAR Holy Family Medical Center 507 FTE
CITY-NEAR Federal-Mogul Powertrain Systems, LLC, dba Tenneco 462 FTE
NAT-TCR World Energy BIOX Biofuels LLC 1.2 TCR
NAT-TCR Haarslev Belleville 1.2 TCR
NAT-TCR Peak Fall Protection 1.2 TCR
NAT-TCR Cangene bioPharma, LLC 1.2 TCR
NAT-SIZE Morries Brooklyn Park Subaru 75 FTE
NAT-SIZE Azria Health Ashland 75 FTE
NAT-SIZE A&A Machine & Fabrication, LLC 75 FTE
NAT-SIZE Southeastern Foundries Corp 75 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2022, 2021, 2020, 2019, 2018. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.