Manufacturing of Air Filtration Products · Kentucky

Koch Filter

Louisville, KY · ~445 workers · 5 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.7
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Koch Filter runs at 20% of its industry's injury rate - far safer than the typical Manufacturing of Air Filtration Products workplace, earning a grade A.

Koch Filter: 0.7 TCR = 20% of Manufacturing of Air Filtration Products BLS 3.3 · 5y Form 300A (see methodology below)

Koch Filter safety composite

Koch Filter scores strongest on total case rate (tcr) (safer than 94% 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

79/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.67 per 100 workers

Safer than 94% of industry peers

DART rate
B 0 per 100 workers

Safer than 82% 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

−0.9

2019→2024

Koch Filter injury rate improved

Koch Filter's TCR fell 0.9 from 0.9 in 2019 to 0.0 in 2024. Peak filing year was 2021 at 1.5 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2019=0.9 · 2021=1.5 · 2022=0.5 · 2023=0.5 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 333413 · Louisville, KY AT/BELOW-IND · MID

Grade A · TCR 0.7 · 20% of ind

  • DART 0.0 DART
  • RANK #1/13
  • PHOTO Freudenberg Filtrati…
  • BOOK 5y book
  • INJ 14 inj
  • SIZE ~445 FTE

Nearest TCR peer: Freudenberg Filtration Technologies - Best Air (Keyes Ave.) (0.0 TCR gap)

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

Koch Filter in the TCR neighbourhood

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

TCR

What this shows Koch Filter averages 0.7 TCR (20% of the Manufacturing of Air Filtration Products BLS benchmark).

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

Koch Filter TCR series: 2019=0.9 · 2021=1.5 · 2022=0.5 · 2023=0.5 · 2024=0 · BLS 3.3

Where Koch Filter falls in its industry

232 Manufacturing of Air Filtratio establishments

Safer than 94% of graded establishments in this industry, whose median TCR is 3.1.

More dangerous than peersSafer than peers

Narrower to Kentucky alone (the establishments it most directly competes with for workers and contracts): ranked #1 safest of 13 Manufacturing of Air Filtratio employers in Kentucky.

Koch Filter (445 employees, TCR 0.7) among 29 same-industry peers, split at the industry median of 85 employees and a TCR of 3.1 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 0100200300400500 05101520 Average employees Total Case Rate Koch Filter
Koch Filter (445 employees, TCR 0.7) among 29 same-industry peers, split at the industry median of 85 employees and a TCR of 3.1

Koch Filter has more employees than the Manufacturing of Air Filtration Products median and a lower injury rate than the industry's median TCR of 3.1. 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 0.5 0.3 2 0 0
2022 0.5 0.2 2 0 0
2021 1.5 0.0 7 0 0
2019 0.9 0.2 3 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

333413 · KY · Louisville

232 Manufacturing of Air Filtration Products employers nationwide with a credible TCR · 7,805 rated employers in Kentucky with headcount on file · 1,638 employers in Louisville, KY · 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 Freudenberg Filtration Technologies - Best Air (Keyes Ave.) 0.7 TCR
NAICS-TCR EPCON INDUSTRIAL SYSTEMS 0.7 TCR
NAICS-TCR DCM Manufacturing 0.7 TCR
NAICS-TCR Freudenberg Filtration Technologies - Best Air (Huntley) 0.8 TCR
STATE-SIZE Century Aluminum 445 FTE
STATE-SIZE WM 1113 445 FTE
STATE-SIZE Zoeller Pump Company 446 FTE
STATE-SIZE Kentucky Cooperage 447 FTE
CITY-NEAR Jefferson County Public Schools 18,524 FTE
CITY-NEAR KYGRA - WORLDPORT 11,933 FTE
CITY-NEAR WORLDPORT (KYGRA) 9,667 FTE
CITY-NEAR KTKY TRUCK 8,757 FTE
NAT-TCR Lithko TX, LLC 0.7 TCR
NAT-TCR Uncle Charley's Sausage 0.7 TCR
NAT-TCR Fugro USA Land, Inc. 0.7 TCR
NAT-TCR Unitherm Jacksonville 0.7 TCR
NAT-SIZE 5 Carlisle Road 445 FTE
NAT-SIZE Wad Productions, Inc. 445 FTE
NAT-SIZE Glazers Beer And Beverage San Antonio 445 FTE
NAT-SIZE Austin Trihawk Automotive inc. 445 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, 2019. 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.