Lumber (e.g., dressed, finished, rough) merchant wholesalers · Wisconsin

Amerhart Ltd. - Sun Prairie

Sun Prairie, WI · ~29 workers · 5 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
3.7
Avg TCR
2.2
Industry avg
0
Fatalities
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The verdict

Amerhart Ltd. - Sun Prairie runs at 170% of its industry's injury rate - more dangerous than the typical Lumber (e.g., dressed, finished, rough) merchant wholesalers workplace, earning a grade D.

Amerhart Ltd. - Sun Prairie: 3.7 TCR = 170% of Lumber (e.g., dressed, finished, rough) merchant wholesalers BLS 2.2 · 5y Form 300A (see methodology below)

Amerhart Ltd. - Sun Prairie safety composite

Amerhart Ltd. - Sun Prairie scores strongest on total case rate (tcr) (safer than 54% of same-industry peers) and weakest on dart rate (safer than 9%), 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

37/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.73 per 100 workers

Safer than 54% of industry peers

DART rate
F 9.08 per 100 workers

Safer than 9% 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

Amerhart Ltd. - Sun Prairie: 3.2 → 9.1 TCR

Peak year 2021 @ 9.1 TCR · DART/TCR 2.43× in 2021

Amerhart Ltd. - Sun Prairie's TCR rose 5.9 from 3.2 in 2016 to 9.1 in 2021. In 2021, DART was 2.43× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 423310 · Sun Prairie, WI ABOVE-IND · SMALL

Grade D · TCR 3.7 · 170% of ind

  • DART 9.1 DART
  • RANK #14/46
  • PHOTO 4103 WINSTON SALEM
  • BOOK 5y book
  • INJ 6 inj
  • SIZE ~29 FTE

Nearest TCR peer: 4103 WINSTON SALEM (0.0 TCR gap)

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Amerhart Ltd. - Sun Prairie in the TCR neighbourhood

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

TCR

What this shows Amerhart Ltd. - Sun Prairie averages 3.7 TCR (170% of the Lumber (e.g., dressed, finished, rough) merchant wholesalers BLS benchmark).

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

Amerhart Ltd. - Sun Prairie TCR series: 2016=3.2 · 2018=0 · 2019=3.2 · 2020=3.2 · 2021=9.1 · BLS 2.2

Where Amerhart Ltd. - Sun Prairie falls in its industry

1,225 Lumber (e.g., dressed, finishe establishments

Safer than 54% of graded establishments in this industry, whose median TCR is 4.2.

More dangerous than peersSafer than peers

Narrower to Wisconsin alone (the establishments it most directly competes with for workers and contracts): ranked #14 safest of 46 Lumber (e.g., dressed, finishe employers in Wisconsin.

Amerhart Ltd. - Sun Prairie (29 employees, TCR 3.7) among 29 same-industry peers, split at the industry median of 41 employees and a TCR of 4.2 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 020406080100120 05101520 Average employees Total Case Rate Amerhart Ltd. - Sun Prairie
Amerhart Ltd. - Sun Prairie (29 employees, TCR 3.7) among 29 same-industry peers, split at the industry median of 41 employees and a TCR of 4.2

Amerhart Ltd. - Sun Prairie has fewer employees than the Lumber (e.g., dressed, finished, rough) median and a lower injury rate than the industry's median TCR of 4.2. 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
2021 9.1 9.1 3 0 0
2020 3.2 0.0 1 0 0
2019 3.2 3.2 1 0 0
2018 0.0 0.0 0 0 0
2016 3.2 3.2 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

423310 · WI · Sun Prairie

1,225 Lumber (e.g., dressed, finished, rough) merchant wholesalers employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 69 employers in Sun Prairie, 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 4103 WINSTON SALEM 3.7 TCR
NAICS-TCR 4146 SOUTH CAROLINA MILLWORK 3.7 TCR
NAICS-TCR Grove Lumber & Bldg Supplies Inc 3.7 TCR
NAICS-TCR BlueLinx Corporation Chicago 3.8 TCR
STATE-SIZE Rhinelander Ag Research 29 FTE
STATE-SIZE Habelman Bros. Company - Millston 29 FTE
STATE-SIZE Evergreen Nursery Company, Inc. 29 FTE
STATE-SIZE Majestic View Dairy 29 FTE
CITY-NEAR Sun Prairie Location 290 FTE
CITY-NEAR WM 1267 286 FTE
CITY-NEAR SUN PRAIRIE GENERAL OFC 278 FTE
CITY-NEAR CB Sun Prairie 275 FTE
NAT-TCR UCI Medical Affiliates / Doctors Care 3.7 TCR
NAT-TCR Construction Siding 3.7 TCR
NAT-TCR Ultra Tab Laboratories, Inc. 3.7 TCR
NAT-TCR Carbonfree Chemicals SPE I Holdings, LLC 3.7 TCR
NAT-SIZE AH4R - Charleston SC 29 FTE
NAT-SIZE Norwest Manufacturing, Inc. 29 FTE
NAT-SIZE Foss Manufatoring Co LLC (P-3) 29 FTE
NAT-SIZE Immediate Care Family Clinic 29 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: 2021, 2020, 2019, 2018, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.