Sewer construction · Wisconsin

Wondra Construction Inc

Iron Ridge, WI · ~39 workers · 3 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.8
Avg TCR
2.8
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Wondra Construction Inc runs at 27% of its industry's injury rate - far safer than the typical Sewer construction workplace, earning a grade A.

Wondra Construction Inc: 0.8 TCR = 27% of Sewer construction BLS 2.8 · 3y Form 300A (see methodology below)

Wondra Construction Inc safety composite

Wondra Construction Inc scores strongest on total case rate (tcr) (safer than 92% of same-industry peers) and weakest on dart rate (safer than 33%), 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).

C

61/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.76 per 100 workers

Safer than 92% of industry peers

DART rate
F 2.27 per 100 workers

Safer than 33% of industry peers

Fatalities
D 0

Safer than 52% 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

Wondra Construction Inc: 0.0 → 2.3 TCR

Peak year 2024 @ 2.3 TCR · DART/TCR 2.99× in 2024

Wondra Construction Inc's TCR rose 2.3 from 0.0 in 2022 to 2.3 in 2024. In 2024, DART was 2.99× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 237110 · Iron Ridge, WI AT/BELOW-IND · SMALL

Grade A · TCR 0.8 · 27% of ind

  • DART 2.3 DART
  • RANK #2/41
  • PHOTO Smith Contractors, I…
  • BOOK 3y book
  • INJ 1 inj
  • SIZE ~39 FTE

Nearest TCR peer: Smith Contractors, Inc. (0.0 TCR gap)

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

Wondra Construction Inc in the TCR neighbourhood

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

TCR

What this shows Wondra Construction Inc averages 0.8 TCR (27% of the Sewer construction BLS benchmark).

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

Wondra Construction Inc TCR series: 2022=0 · 2023=0 · 2024=2.3 · BLS 2.8

Where Wondra Construction Inc falls in its industry

1,614 Sewer construction establishments

Safer than 92% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to Wisconsin alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 41 Sewer construction employers in Wisconsin.

Wondra Construction Inc (39 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0 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 051015 Average employees Total Case Rate Wondra Construction Inc
Wondra Construction Inc (39 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0

Wondra Construction Inc has fewer employees than the Sewer construction median and a lower injury rate than the industry's median TCR of 3.0. 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 2.3 2.3 1 0 0
2023 0.0 0.0 0 0 0
2022 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237110 · WI · Iron Ridge

1,614 Sewer construction employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 15 employers in Iron Ridge, 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 Smith Contractors, Inc. 0.8 TCR
NAICS-TCR Oval Construction Management, LLC 0.8 TCR
NAICS-TCR Insituform Techologies LLC - Jacksonville 0.8 TCR
NAICS-TCR Stella May Contracting Inc 0.8 TCR
STATE-SIZE Green Bay Substation East 39 FTE
STATE-SIZE Ashland Service Center-5B 39 FTE
STATE-SIZE BCI Exteriors, Inc. 39 FTE
STATE-SIZE Horizon - Corporate Office 39 FTE
CITY-NEAR PS Seasoning & Spices, Inc. 120 FTE
CITY-NEAR 4718/3801 - Iron Ridge Crossdocks 64 FTE
CITY-NEAR X-Cel Tooling, Inc. 58 FTE
CITY-NEAR API Heat Transfer - Iron Ridge 41 FTE
NAT-TCR MacAllister Machinery Lafayette 0.8 TCR
NAT-TCR Ryan Fireprotection, Inc. - Valparaiso 0.8 TCR
NAT-TCR AMAMCO Tool & Supply Co., Inc. 0.8 TCR
NAT-TCR Crown Point Retirement Center, LLC 0.8 TCR
NAT-SIZE CSC - Wake Forest 39 FTE
NAT-SIZE Guthrie County Roads 39 FTE
NAT-SIZE La Quinta Inn Scottsdale 39 FTE
NAT-SIZE Brookdale Henderson 39 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.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.