Insulating glass, sealed units, made from purchased glass · Wisconsin

Guardian IG LLC

Sun Prairie, WI · ~67 workers · 5 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.4
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Guardian IG LLC runs at 102% of its industry's injury rate - about level with the typical Insulating glass, sealed units, made from purchased glass workplace, earning a grade C.

Guardian IG LLC: 3.4 TCR = 102% of Insulating glass, sealed units, made from purchased glass BLS 3.3 · 5y Form 300A (see methodology below)

Guardian IG LLC safety composite

Guardian IG LLC scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 21%), 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

39/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.38 per 100 workers

Safer than 48% of industry peers

DART rate
F 4.21 per 100 workers

Safer than 21% 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

Guardian IG LLC: 0.0 → 8.4 TCR

Peak year 2020 @ 8.4 TCR · DART/TCR 1.25× in 2020

Guardian IG LLC's TCR rose 8.4 from 0.0 in 2016 to 8.4 in 2020. In 2020, DART was 1.25× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 327215 · Sun Prairie, WI ABOVE-IND · SMALL

Grade C · TCR 3.4 · 102% of ind

  • DART 4.2 DART
  • RANK #16/25
  • PHOTO AGC AUTOMOTIVE
  • BOOK 5y book
  • INJ 13 inj
  • SIZE ~67 FTE

Nearest TCR peer: AGC AUTOMOTIVE (0.0 TCR gap)

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Guardian IG LLC in the TCR neighbourhood

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

TCR

What this shows Guardian IG LLC averages 3.4 TCR (102% of the Insulating glass, sealed units, made from purchased glass BLS benchmark).

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

Guardian IG LLC TCR series: 2016=0 · 2017=5.2 · 2018=1.1 · 2019=2.2 · 2020=8.4 · BLS 3.3

Where Guardian IG LLC falls in its industry

441 Insulating glass, sealed units establishments

Safer than 48% 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 #16 safest of 25 Insulating glass, sealed units employers in Wisconsin.

Guardian IG LLC (67 employees, TCR 3.4) among 29 same-industry peers, split at the industry median of 94 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 0100200300400500 051015 Average employees Total Case Rate Guardian IG LLC
Guardian IG LLC (67 employees, TCR 3.4) among 29 same-industry peers, split at the industry median of 94 employees and a TCR of 3.3

Guardian IG LLC has fewer employees than the Insulating glass, sealed units, made fro 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
2020 8.4 4.2 7 1 0
2019 2.2 2.2 2 0 0
2018 1.1 1.1 1 0 0
2017 5.2 1.7 3 0 0
2016 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327215 · WI · Sun Prairie

441 Insulating glass, sealed units, made from purchased glass 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 AGC AUTOMOTIVE 3.4 TCR
NAICS-TCR Oldcastle BuildingEnvelope- Vancouver 3.4 TCR
NAICS-TCR Phoenix Glass 3.4 TCR
NAICS-TCR Pittsburgh Glass Works, LLC - Evansville 3.3 TCR
STATE-SIZE Hallmark Drywall, Inc 67 FTE
STATE-SIZE Brickl Bros., Inc. 67 FTE
STATE-SIZE Speedwaysg 67 FTE
STATE-SIZE Schaus Roofing & Mechanical Contractors, Inc. 67 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 StormForce Of Jacksonville 3.4 TCR
NAT-TCR NAPA Albuquerque Main Counter 3.4 TCR
NAT-TCR Cabral Chrysler Jeep Dodge Ram Fiat 3.4 TCR
NAT-TCR Vectren Corporation - Clarksville 3.4 TCR
NAT-SIZE Black Bay Ventures VI, LLC (dba Palmer Foundry) 67 FTE
NAT-SIZE Hamilton Contracting LLC 67 FTE
NAT-SIZE Price Dispsoal Inc 67 FTE
NAT-SIZE 34 Concord 67 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: 2020, 2019, 2018, 2017, 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.