Architectural sculptures, stone, manufacturing · Wisconsin
Quarra Stone Company, LLC
Madison, WI · ~52 workers · 8 years of OSHA Injury Tracking Application data.
- F
- Failing Safety Record
- 8.5
- Avg TCR
- 3.3
- Industry avg
- 0
- Fatalities
The verdict
Quarra Stone Company, LLC runs at 257% of its industry's injury rate - far more dangerous than the typical Architectural sculptures, stone, manufacturing workplace, earning a grade F.
Quarra Stone Company, LLC: 8.5 TCR = 257% of Architectural sculptures, stone, manufacturing BLS 3.3 · 8y Form 300A (see methodology below)
Quarra Stone Company, LLC safety composite
Quarra Stone Company, LLC scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 18%), 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).
27/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- F 8.48 per 100 workers
Safer than 20% of industry peers
- DART rate
- F 7.12 per 100 workers
Safer than 18% 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
Quarra Stone Company, LLC: 7.2 → 18.5 TCR
Peak year 2024 @ 18.5 TCR · DART/TCR 0.84× in 2024
Quarra Stone Company, LLC's TCR rose 11.3 from 7.2 in 2017 to 18.5 in 2024. In 2024, DART was 0.84× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 327991 · Madison, WI ABOVE-IND · SMALL
Grade F · TCR 8.5 · 257% of ind
- DART 7.1 DART
- RANK #4/6
- PHOTO Manufacturing wareho…
- BOOK 8y book
- INJ 33 inj
- SIZE ~52 FTE
Nearest TCR peer: Manufacturing warehouse (0.0 TCR gap)
Read with this employer → · Industry book → · Wisconsin employers → · Look up another →
Quarra Stone Company, LLC in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Quarra Stone Company, LLC
8.5 TCR
- Manufacturing
Manufacturing warehouse
8.5 TCR
- SOLID SURFACE
SOLID SURFACE TOPS OF SOUTHWEST FLORIDA INC
8.4 TCR
- Solid Surfaces
Solid Surfaces NY Rochester
8.4 TCR
- Sprovieri's Cu
Sprovieri's Custom Counters
8.4 TCR
What this shows Quarra Stone Company, LLC averages 8.5 TCR (257% of the Architectural sculptures, stone, manufacturing BLS benchmark).
Quarra Stone Company, LLC TCR series: 2017=7.2 · 2018=14.1 · 2019=8.6 · 2020=3.9 · 2021=3.6 · 2022=5.1 · 2023=6.8 · 2024=18.5 · BLS 3.3
Where Quarra Stone Company, LLC falls in its industry
313 Architectural sculptures, ston establishmentsSafer than 20% of graded establishments in this industry, whose median TCR is 5.3.
Narrower to Wisconsin alone (the establishments it most directly competes with for workers and contracts): ranked #4 safest of 6 Architectural sculptures, ston employers in Wisconsin.
Quarra Stone Company, LLC has more employees than the Architectural sculptures, stone, manufac median and a higher injury rate than the industry's median TCR of 5.3. 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 | 18.5 | 7.1 | 13 | 0 | 0 |
| 2023 | 6.8 | 6.8 | 4 | 0 | 0 |
| 2022 | 5.1 | 5.1 | 2 | 0 | 0 |
| 2021 | 3.6 | 1.8 | 2 | 0 | 0 |
| 2020 | 3.9 | 1.9 | 2 | 0 | 0 |
| 2019 | 8.6 | 6.4 | 4 | 0 | 0 |
| 2018 | 14.1 | 4.0 | 3 | 4 | 0 |
| 2017 | 7.2 | 2.4 | 3 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
327991 · WI · Madison
313 Architectural sculptures, stone, manufacturing employers nationwide with a credible TCR · 12,834 rated employers in Wisconsin with headcount on file · 577 employers in Madison, 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 | Manufacturing warehouse | 8.5 TCR |
| NAICS-TCR | SOLID SURFACE TOPS OF SOUTHWEST FLORIDA INC | 8.4 TCR |
| NAICS-TCR | Solid Surfaces NY Rochester | 8.4 TCR |
| NAICS-TCR | Sprovieri's Custom Counters | 8.4 TCR |
| STATE-SIZE | ABS Dekorra | 52 FTE |
| STATE-SIZE | Milk Source, LLC | 52 FTE |
| STATE-SIZE | Greenfire Management Services, LLC | 52 FTE |
| STATE-SIZE | Hoffman Planning, Design & Construction Inc | 52 FTE |
| CITY-NEAR | St. Mary's Hospital - Madison | 2,401 FTE |
| CITY-NEAR | Meriter Hospital | 2,249 FTE |
| CITY-NEAR | EatStreet | 1,659 FTE |
| CITY-NEAR | TDS - Junction Road (All Employees) | 1,302 FTE |
| NAT-TCR | C&C Fabrication LLC | 8.5 TCR |
| NAT-TCR | Lakewood Building Supply LLC | 8.5 TCR |
| NAT-TCR | City of Yuma | 8.5 TCR |
| NAT-TCR | Vital Link Inc. | 8.5 TCR |
| NAT-SIZE | Jellystone Park: Barton Lake | 52 FTE |
| NAT-SIZE | Maintenance Center | 52 FTE |
| NAT-SIZE | Call Center | 52 FTE |
| NAT-SIZE | Brickcraft | 52 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.