Automobile polishes and cleaners manufacturing · Connecticut

Koster Keunen, Inc.

Watertown, CT · ~68 workers · 7 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.0
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Koster Keunen, Inc. runs at 60% of its industry's injury rate - safer than the typical Automobile polishes and cleaners manufacturing workplace, earning a grade B.

Koster Keunen, Inc.: 2.0 TCR = 60% of Automobile polishes and cleaners manufacturing BLS 3.3 · 7y Form 300A (see methodology below)

Koster Keunen, Inc. safety composite

Koster Keunen, Inc. scores strongest on total case rate (tcr) (safer than 69% of same-industry peers) and weakest on dart rate (safer than 28%), 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).

D

50/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.99 per 100 workers

Safer than 69% of industry peers

DART rate
F 2.87 per 100 workers

Safer than 28% 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%).

TCR Δ

−0.7

2018→2024

Koster Keunen, Inc. injury rate improved

Koster Keunen, Inc.'s TCR fell 0.7 from 3.6 in 2018 to 2.9 in 2024. Peak filing year was 2018 at 3.6 TCR. In 2024, DART was 1.44× this establishment's average TCR (severity share of cases).

2018=3.6 · 2019=3.0 · 2020=0.0 · 2021=1.6 · 2022=1.5 · 2023=1.5 · 2024=2.9

OSHA ITA Form 300A scorecard

Establishment book 325612 · Watertown, CT AT/BELOW-IND · SMALL

Grade B · TCR 2.0 · 60% of ind

  • DART 2.9 DART
  • RANK P69
  • PHOTO Waxdale Manufacturing
  • BOOK 7y book
  • INJ 7 inj
  • SIZE ~68 FTE

Nearest TCR peer: Waxdale Manufacturing (0.0 TCR gap)

Read with this employer → · Industry book → · Connecticut employers → · Look up another →

Koster Keunen, Inc. in the TCR neighbourhood

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

TCR

What this shows Koster Keunen, Inc. averages 2.0 TCR (60% of the Automobile polishes and cleaners manufacturing BLS benchmark).

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

Koster Keunen, Inc. TCR series: 2018=3.6 · 2019=3 · 2020=0 · 2021=1.6 · 2022=1.5 · 2023=1.5 · 2024=2.9 · BLS 3.3

Where Koster Keunen, Inc. falls in its industry

143 Automobile polishes and cleane establishments

Safer than 69% of graded establishments in this industry, whose median TCR is 2.9.

More dangerous than peersSafer than peers
Koster Keunen, Inc. (68 employees, TCR 2.0) among 29 same-industry peers, split at the industry median of 74 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 05001,0001,5002,0002,500 051015 Average employees Total Case Rate Koster Keunen, Inc.
Koster Keunen, Inc. (68 employees, TCR 2.0) among 29 same-industry peers, split at the industry median of 74 employees and a TCR of 2.9

Koster Keunen, Inc. has fewer employees than the Automobile polishes and cleaners manufac 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
2024 2.9 2.9 2 0 0
2023 1.5 0.0 0 1 0
2022 1.5 1.5 1 0 0
2021 1.6 1.6 0 1 0
2020 0.0 0.0 0 0 0
2019 3.0 0.0 2 0 0
2018 3.6 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

325612 · CT · Watertown

143 Automobile polishes and cleaners manufacturing employers nationwide with a credible TCR · 7,008 rated employers in Connecticut with headcount on file · 55 employers in Watertown, CT · 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 Waxdale Manufacturing 2.0 TCR
NAICS-TCR Chemco 1.9 TCR
NAICS-TCR Waxdale 2.1 TCR
NAICS-TCR Nilodor 1.9 TCR
STATE-SIZE Pat Munger Construction Co. Inc. 68 FTE
STATE-SIZE Mizzy Construction, Inc. 68 FTE
STATE-SIZE Earthlight Technologies LLC 68 FTE
STATE-SIZE Industrial Palllet LLC 68 FTE
CITY-NEAR CTWAT - WATERBURY 573 FTE
CITY-NEAR WATERBURY (CTWAT) 524 FTE
CITY-NEAR Watertown Public Schools 503 FTE
CITY-NEAR Global Steering Systems 359 FTE
NAT-TCR Manor Court of Rochelle 2.0 TCR
NAT-TCR JB Roofing a Tecta America Company LLC Worthington Office 2.0 TCR
NAT-TCR FedEx Supply Chain Hewitt Packard 2.0 TCR
NAT-TCR GreenPoint AG-Brinkley 2.0 TCR
NAT-SIZE Pittsburg Care and Rehab 68 FTE
NAT-SIZE Central Industrial Group Troy HQ 68 FTE
NAT-SIZE Floyd Wilcox & Sons 68 FTE
NAT-SIZE ZFS Ithaca, LLC 68 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: 2024, 2023, 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.