Building materials, fiberglass (except insulation, roofing, siding), merchant wholesalers · Washington

Pental Granite and Marble Sea

Seattle, WA · ~63 workers · 4 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.4
Avg TCR
2.2
Industry avg
0
Fatalities
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The verdict

Pental Granite and Marble Sea runs at 66% of its industry's injury rate - safer than the typical Building materials, fiberglass (except insulation, roofing, siding), merchant wholesalers workplace, earning a grade B.

Pental Granite and Marble Sea: 1.4 TCR = 66% of Building materials, fiberglass (except insulation, roofing, siding), merchant wholesalers BLS 2.2 · 4y Form 300A (see methodology below)

Pental Granite and Marble Sea safety composite

Pental Granite and Marble Sea scores strongest on total case rate (tcr) (safer than 86% of same-industry peers) and weakest on fatalities (safer than 51%), 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).

B

75/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.45 per 100 workers

Safer than 86% of industry peers

DART rate
B 0 per 100 workers

Safer than 80% 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

−1.5

2018→2021

Pental Granite and Marble Sea injury rate improved

Pental Granite and Marble Sea's TCR fell 1.5 from 1.5 in 2018 to 0.0 in 2021. Peak filing year was 2020 at 2.5 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2018=1.5 · 2019=1.7 · 2020=2.5 · 2021=0.0

OSHA ITA Form 300A scorecard

Establishment book 423390 · Seattle, WA AT/BELOW-IND · SMALL

Grade B · TCR 1.4 · 66% of ind

  • DART 0.0 DART
  • RANK #2/6
  • PHOTO CNTRP-PDM-CENTERPOINT
  • BOOK 4y book
  • INJ 3 inj
  • SIZE ~63 FTE

Nearest TCR peer: CNTRP-PDM-CENTERPOINT (0.0 TCR gap)

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

Pental Granite and Marble Sea in the TCR neighbourhood

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

TCR

What this shows Pental Granite and Marble Sea averages 1.4 TCR (66% of the Building materials, fiberglass (except insulation, roofing, siding), merchant wholesalers BLS benchmark).

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

Pental Granite and Marble Sea TCR series: 2018=1.5 · 2019=1.7 · 2020=2.5 · 2021=0 · BLS 2.2

Where Pental Granite and Marble Sea falls in its industry

168 Building materials, fiberglass establishments

Safer than 86% of graded establishments in this industry, whose median TCR is 4.5.

More dangerous than peersSafer than peers

Narrower to Washington alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 6 Building materials, fiberglass employers in Washington.

Pental Granite and Marble Sea (63 employees, TCR 1.4) among 29 same-industry peers, split at the industry median of 39 employees and a TCR of 4.5 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 050100150200250 05101520 Average employees Total Case Rate Pental Granite and Marble Sea
Pental Granite and Marble Sea (63 employees, TCR 1.4) among 29 same-industry peers, split at the industry median of 39 employees and a TCR of 4.5

Pental Granite and Marble Sea has more employees than the Building materials, fiberglass (except i median and a lower injury rate than the industry's median TCR of 4.5. 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
2021 0.0 0.0 0 0 0
2020 2.5 0.0 1 0 0
2019 1.7 1.7 1 0 0
2018 1.5 1.5 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

423390 · WA · Seattle

168 Building materials, fiberglass (except insulation, roofing, siding), merchant wholesalers employers nationwide with a credible TCR · 10,147 rated employers in Washington with headcount on file · 1,279 employers in Seattle, WA · 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 CNTRP-PDM-CENTERPOINT 1.5 TCR
NAICS-TCR LANSNG-PDM-LANSING 1.5 TCR
NAICS-TCR AIG Michigan 1.5 TCR
NAICS-TCR Ultra Incorporated 1.5 TCR
STATE-SIZE Watson's Greenhouse 63 FTE
STATE-SIZE John I Haas Inc 63 FTE
STATE-SIZE George DeRuyter & Sons Dairy 63 FTE
STATE-SIZE Manke Lumber Company Inc. - Shelton 63 FTE
CITY-NEAR UW Seattle 32,378 FTE
CITY-NEAR The United States of America 25,000 FTE
CITY-NEAR Starz Entertainment 25,000 FTE
CITY-NEAR UW Medical Center - Montlake and NW 11,307 FTE
NAT-TCR Off Lease Only LLC West Palm Beach 1.4 TCR
NAT-TCR Ohio CAT - Cincinnati HE 1.4 TCR
NAT-TCR #2 Woodsfield 1.4 TCR
NAT-TCR Michael Foods Inc.- GY1 1.4 TCR
NAT-SIZE McClellan 63 FTE
NAT-SIZE Polyguard Products 1901 63 FTE
NAT-SIZE Isles of Vero Beach, The 63 FTE
NAT-SIZE Equipment & Assembly 63 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. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.