Countertops, stone, manufacturing · Maryland

MR Stone, LLC

Monrovia, MD · ~85 workers · 4 years of OSHA Injury Tracking Application data.

C
Average Safety Record
2.7
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

MR Stone, LLC runs at 82% of its industry's injury rate - about level with the typical Countertops, stone, manufacturing workplace, earning a grade C.

MR Stone, LLC: 2.7 TCR = 82% of Countertops, stone, manufacturing BLS 3.3 · 4y Form 300A (see methodology below)

MR Stone, LLC safety composite

MR Stone, LLC scores strongest on total case rate (tcr) (safer than 83% of same-industry peers) and weakest on fatalities (safer than 50%), 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

67/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 2.7 per 100 workers

Safer than 83% of industry peers

DART rate
C 1.48 per 100 workers

Safer than 61% 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

−2.7

2021→2024

MR Stone, LLC injury rate improved

MR Stone, LLC's TCR fell 2.7 from 4.2 in 2021 to 1.5 in 2024. Peak filing year was 2021 at 4.2 TCR. In 2024, DART was 0.55× this establishment's average TCR (severity share of cases).

2021=4.2 · 2022=2.5 · 2023=2.7 · 2024=1.5

OSHA ITA Form 300A scorecard

Establishment book 327991 · Monrovia, MD AT/BELOW-IND · SMALL

Grade C · TCR 2.7 · 82% of ind

  • DART 1.5 DART
  • RANK P83
  • PHOTO Pinnacle Stone Produ…
  • BOOK 4y book
  • INJ 9 inj
  • SIZE ~85 FTE

Nearest TCR peer: Pinnacle Stone Products (0.0 TCR gap)

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

MR Stone, LLC in the TCR neighbourhood

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

TCR

What this shows MR Stone, LLC averages 2.7 TCR (82% of the Countertops, stone, manufacturing BLS benchmark).

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

MR Stone, LLC TCR series: 2021=4.2 · 2022=2.5 · 2023=2.7 · 2024=1.5 · BLS 3.3

Where MR Stone, LLC falls in its industry

313 Countertops, stone, manufactur establishments

Safer than 83% of graded establishments in this industry, whose median TCR is 5.3.

More dangerous than peersSafer than peers
MR Stone, LLC (85 employees, TCR 2.7) 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 MR Stone, LLC
MR Stone, LLC (85 employees, TCR 2.7) among 29 same-industry peers, split at the industry median of 45 employees and a TCR of 5.3

MR Stone, LLC has more employees than the Countertops, stone, manufacturing median and a lower 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 1.5 1.5 1 0 0
2023 2.7 2.7 2 0 0
2022 2.5 1.2 2 0 0
2021 4.2 4.2 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327991 · MD · Monrovia

313 Countertops, stone, manufacturing employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 6 employers in Monrovia, MD · 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 Pinnacle Stone Products 2.7 TCR
NAICS-TCR Stone Systems of Raleigh 2.7 TCR
NAICS-TCR K&D Countertops Inc. 2.7 TCR
NAICS-TCR Top Master 2844 2.7 TCR
STATE-SIZE Holistic Industries LLC 85 FTE
STATE-SIZE New Energy Equity 85 FTE
STATE-SIZE Reliable Installation Services 85 FTE
STATE-SIZE Caffes-Steele, Inc 85 FTE
CITY-NEAR 0731 - FREDERICK MD DEPOT - ECOMM 248 FTE
CITY-NEAR 1052 - FREDERICK MD (DRY) DEPOT 197 FTE
CITY-NEAR East Regional Rebar, Inc 132 FTE
CITY-NEAR 1053 - FREDERICK MD (WET) DEPOT 86 FTE
NAT-TCR Bio-Cat Inc 2.7 TCR
NAT-TCR Madison Home Place 2.7 TCR
NAT-TCR Morgan Concrete Company - Jefferson Plant 2.7 TCR
NAT-TCR Richland Newhope Industries Inc. 2.7 TCR
NAT-SIZE Casella Springfield 85 FTE
NAT-SIZE Blue Ridge Senior Housing LLC 85 FTE
NAT-SIZE American Red Cross - 3411 Saint Vardell Ln 85 FTE
NAT-SIZE Transcontinental Packaging Elgin 85 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, 2021. 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.