Plumbers · Wisconsin

Kelderman Plumbing, LLC

Kaukauna, WI · ~21 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
27.6
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Kelderman Plumbing, LLC runs at 986% of its industry's injury rate - far more dangerous than the typical Plumbers workplace, earning a grade F.

Kelderman Plumbing, LLC: 27.6 TCR = 986% of Plumbers BLS 2.8 · 2y Form 300A (see methodology below)

Kelderman Plumbing, LLC safety composite

Kelderman Plumbing, LLC scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 0%), 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

41/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 27.62 per 100 workers

Safer than 0% of industry peers

DART rate
B 0 per 100 workers

Safer than 80% of industry peers

Fatalities
D 0

Safer than 51% 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

Kelderman Plumbing, LLC: 13.4 → 41.9 TCR

Peak year 2024 @ 41.9 TCR · DART/TCR 0× in 2024

Kelderman Plumbing, LLC's TCR rose 28.5 from 13.4 in 2023 to 41.9 in 2024. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Kaukauna, WI ABOVE-IND · SMALL

Grade F · TCR 27.6 · 986% of ind

  • DART 0.0 DART
  • RANK #154/154
  • PHOTO Progressive Air Syst…
  • BOOK 2y book
  • INJ 4 inj
  • SIZE ~21 FTE

Nearest TCR peer: Progressive Air Systems, Inc. (0.3 TCR gap)

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

Kelderman Plumbing, LLC in the TCR neighbourhood

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

TCR

What this shows Kelderman Plumbing, LLC averages 27.6 TCR (986% of the Plumbers BLS benchmark).

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

Kelderman Plumbing, LLC TCR series: 2023=13.4 · 2024=41.9 · BLS 2.8

Where Kelderman Plumbing, LLC falls in its industry

5,793 Plumbers establishments

Safer than 0% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Wisconsin alone (the establishments it most directly competes with for workers and contracts): ranked #154 safest of 154 Plumbers employers in Wisconsin.

Kelderman Plumbing, LLC (21 employees, TCR 27.6) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3 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 050100150200250 0102030 Average employees Total Case Rate Kelderman Plumbing, LLC
Kelderman Plumbing, LLC (21 employees, TCR 27.6) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Kelderman Plumbing, LLC has fewer employees than the Plumbers median and a higher injury rate than the industry's median TCR of 3.3. 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 41.9 0.0 1 0 0
2023 13.4 4.5 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · WI · Kaukauna

5,793 Plumbers employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 71 employers in Kaukauna, 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 Progressive Air Systems, Inc. 28.0 TCR
NAICS-TCR Caloosa Cooling LLC 28.1 TCR
NAICS-TCR John Jay 28.2 TCR
NAICS-TCR A#1 Air Houston 26.4 TCR
STATE-SIZE Legacy Farms LLC 21 FTE
STATE-SIZE Westby 21 FTE
STATE-SIZE Inguran LLC (dba STgenetics-Vienna Farms) 21 FTE
STATE-SIZE ALL ENERGY SOLAR MADISON WI 21 FTE
CITY-NEAR Thilmany Mill 560 FTE
CITY-NEAR Bassett Mechanical Corporate Office 446 FTE
CITY-NEAR Bassett Mechanical 435 FTE
CITY-NEAR Kaukauna location 299 FTE
NAT-TCR Patriot Roofing 27.6 TCR
NAT-TCR Four County Health and Rehabilitation 27.6 TCR
NAT-TCR Sunset Nursing and Rehabilitation Center 27.6 TCR
NAT-TCR LECOM at Village Square 27.6 TCR
NAT-SIZE Datascope Corporation - Mahwah 21 FTE
NAT-SIZE Dorchester Freeport-MAAB 21 FTE
NAT-SIZE H & S Enterprise / Aberdeen 21 FTE
NAT-SIZE Cascade Precision Inc 21 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. 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.