Electric contracting · Wisconsin

KNZ Corporation dba McMillan Electric

Marshfield, WI · ~34 workers · 3 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
3.9
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

KNZ Corporation dba McMillan Electric runs at 140% of its industry's injury rate - more dangerous than the typical Electric contracting workplace, earning a grade D.

KNZ Corporation dba McMillan Electric: 3.9 TCR = 140% of Electric contracting BLS 2.8 · 3y Form 300A (see methodology below)

KNZ Corporation dba McMillan Electric safety composite

KNZ Corporation dba McMillan Electric scores strongest on dart rate (safer than 78% of same-industry peers) and weakest on total case rate (tcr) (safer than 32%), 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

53/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 3.92 per 100 workers

Safer than 32% of industry peers

DART rate
B 0 per 100 workers

Safer than 78% 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%).

TCR Δ

−4.8

2022→2024

KNZ Corporation dba McMillan Electric injury rate improved

KNZ Corporation dba McMillan Electric's TCR fell 4.8 from 5.4 in 2022 to 0.6 in 2024. Peak filing year was 2023 at 5.7 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2022=5.4 · 2023=5.7 · 2024=0.6

OSHA ITA Form 300A scorecard

Establishment book 238210 · Marshfield, WI ABOVE-IND · SMALL

Grade D · TCR 3.9 · 140% of ind

  • DART 0.0 DART
  • RANK #56/88
  • PHOTO South-Fair Electric
  • BOOK 3y book
  • INJ 6 inj
  • SIZE ~34 FTE

Nearest TCR peer: South-Fair Electric (0.0 TCR gap)

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

KNZ Corporation dba McMillan Electric in the TCR neighbourhood

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

TCR

What this shows KNZ Corporation dba McMillan Electric averages 3.9 TCR (140% of the Electric contracting BLS benchmark).

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

KNZ Corporation dba McMillan Electric TCR series: 2022=5.4 · 2023=5.7 · 2024=0.6 · BLS 2.8

Where KNZ Corporation dba McMillan Electric falls in its industry

4,550 Electric contracting establishments

Safer than 32% of graded establishments in this industry, whose median TCR is 2.5.

More dangerous than peersSafer than peers

Narrower to Wisconsin alone (the establishments it most directly competes with for workers and contracts): ranked #56 safest of 88 Electric contracting employers in Wisconsin.

KNZ Corporation dba McMillan Electric (34 employees, TCR 3.9) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 2.5 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 05001,0001,500 051015 Average employees Total Case Rate KNZ Corporation dba McMillan Electric
KNZ Corporation dba McMillan Electric (34 employees, TCR 3.9) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 2.5

KNZ Corporation dba McMillan Electric has fewer employees than the Electric contracting median and a higher injury rate than the industry's median TCR of 2.5. 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 0.6 0.0 2 0 0
2023 5.7 5.7 2 0 0
2022 5.4 5.4 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238210 · WI · Marshfield

4,550 Electric contracting employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 94 employers in Marshfield, 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 South-Fair Electric 3.9 TCR
NAICS-TCR USI (Hastings/Rogers, MN) 3.9 TCR
NAICS-TCR Lutherville Office 3.9 TCR
NAICS-TCR Sundancer Electric 3.9 TCR
STATE-SIZE Drumlin Dairy, LLC 34 FTE
STATE-SIZE Merrillan East Coating 34 FTE
STATE-SIZE Bayfront Steam Plant 34 FTE
STATE-SIZE Bayfront Steam Plant-5D 34 FTE
CITY-NEAR Roehl Transport Inc 2,465 FTE
CITY-NEAR MMC- Marshfield 1,604 FTE
CITY-NEAR Roehl Refrigerated Transport 1,085 FTE
CITY-NEAR Masonite-Marshfield 436 FTE
NAT-TCR Retrofit Service Co., Inc. 3.9 TCR
NAT-TCR Regal Rexnord Precision Gear 3.9 TCR
NAT-TCR ATI Forged Products - Irvine Operations 3.9 TCR
NAT-TCR Winchester Hospital 3.9 TCR
NAT-SIZE Bensenville Fire Protection District #2 34 FTE
NAT-SIZE Ed Herrington, Inc - Lakeville 34 FTE
NAT-SIZE Paramount Millwork Corporation 34 FTE
NAT-SIZE Ghostfish Brewing Company LLC 34 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. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.