Architectural sculptures, stone, manufacturing · Idaho

Rock Hard Granite

Boise, ID · ~38 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.5
Avg TCR
3.3
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Rock Hard Granite runs at 165% of its industry's injury rate - more dangerous than the typical Architectural sculptures, stone, manufacturing workplace, earning a grade D.

Rock Hard Granite: 5.5 TCR = 165% of Architectural sculptures, stone, manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

Rock Hard Granite safety composite

Rock Hard Granite scores strongest on dart rate (safer than 82% of same-industry peers) and weakest on total case rate (tcr) (safer than 48%), 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

60/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 5.46 per 100 workers

Safer than 48% of industry peers

DART rate
B 0 per 100 workers

Safer than 82% 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%).

TCR Δ

−10.9

2020→2021

Rock Hard Granite injury rate improved

Rock Hard Granite's TCR fell 10.9 from 10.9 in 2020 to 0.0 in 2021. Peak filing year was 2020 at 10.9 TCR. In 2021, DART was 0× this establishment's average TCR (severity share of cases).

2020=10.9 · 2021=0.0

OSHA ITA Form 300A scorecard

Establishment book 327991 · Boise, ID ABOVE-IND · SMALL

Grade D · TCR 5.5 · 165% of ind

  • DART 0.0 DART
  • RANK #2/7
  • PHOTO busch products inc
  • BOOK 2y book
  • INJ 4 inj
  • SIZE ~38 FTE

Nearest TCR peer: busch products inc (0.0 TCR gap)

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

Rock Hard Granite in the TCR neighbourhood

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

TCR

What this shows Rock Hard Granite averages 5.5 TCR (165% of the Architectural sculptures, stone, manufacturing BLS benchmark).

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

Rock Hard Granite TCR series: 2020=10.9 · 2021=0 · BLS 3.3

Where Rock Hard Granite falls in its industry

313 Architectural sculptures, ston establishments

Safer than 48% of graded establishments in this industry, whose median TCR is 5.3.

More dangerous than peersSafer than peers

Narrower to Idaho alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 7 Architectural sculptures, ston employers in Idaho.

Rock Hard Granite (38 employees, TCR 5.5) among 29 same-industry peers, split at the industry median of 45 employees and a TCR of 5.3 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 050100150200 0102030 Average employees Total Case Rate Rock Hard Granite
Rock Hard Granite (38 employees, TCR 5.5) among 29 same-industry peers, split at the industry median of 45 employees and a TCR of 5.3

Rock Hard Granite has fewer 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
2021 0.0 0.0 0 0 0
2020 10.9 5.5 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327991 · ID · Boise

313 Architectural sculptures, stone, manufacturing employers nationwide with a credible TCR · 2,774 rated employers in Idaho with headcount on file · 581 employers in Boise, ID · 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 busch products inc 5.5 TCR
NAICS-TCR Stone Central - Syracuse 5.5 TCR
NAICS-TCR Marble City Company 5.5 TCR
NAICS-TCR CAMBRIA FABSHOP MINNESOTA LLC 5.4 TCR
STATE-SIZE Interstate Feedlot 38 FTE
STATE-SIZE Teunissen Dairy 38 FTE
STATE-SIZE PINE CREEK LOGGING LLC 38 FTE
STATE-SIZE 2414-Payetee, ID 38 FTE
CITY-NEAR St. Luke's Boise Medical Center (Including MSTI) 10,034 FTE
CITY-NEAR 1-Boise Main Site 6,035 FTE
CITY-NEAR Micron Boise Site 5,184 FTE
CITY-NEAR Saint Alphonsus Regional Medical Center 3,869 FTE
NAT-TCR Company Headquarters 5.5 TCR
NAT-TCR Maysville Nursing & Rehabilitation Facility 5.5 TCR
NAT-TCR Nasco Electric Sign Company 5.5 TCR
NAT-TCR Hotel St. Marie 5.5 TCR
NAT-SIZE Ohio CAT - Canton PSD 38 FTE
NAT-SIZE St. Joseph Equipment Inc - La Crosse Division 38 FTE
NAT-SIZE Murphy Logistics - 6000 Stilwell Street 38 FTE
NAT-SIZE 62031 - Capstone Fdservice Grp Little Rock Ar 38 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. 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.