Countertops, stone, manufacturing · Minnesota

Stone Source, Inc.

Plymouth, MN · ~30 workers · 6 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.4
Avg TCR
3.3
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Stone Source, Inc. runs at 134% of its industry's injury rate - more dangerous than the typical Countertops, stone, manufacturing workplace, earning a grade D.

Stone Source, Inc.: 4.4 TCR = 134% of Countertops, stone, manufacturing BLS 3.3 · 6y Form 300A (see methodology below)

Stone Source, Inc. safety composite

Stone Source, Inc. scores strongest on dart rate (safer than 82% 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

65/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 4.43 per 100 workers

Safer than 59% 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

−5.2

2019→2024

Stone Source, Inc. injury rate improved

Stone Source, Inc.'s TCR fell 5.2 from 5.2 in 2019 to 0.0 in 2024. Peak filing year was 2023 at 11.1 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2019=5.2 · 2020=3.7 · 2021=0.0 · 2022=6.6 · 2023=11.1 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 327991 · Plymouth, MN ABOVE-IND · SMALL

Grade D · TCR 4.4 · 134% of ind

  • DART 0.0 DART
  • RANK #9/16
  • PHOTO Berry Marble Co., Inc.
  • BOOK 6y book
  • INJ 8 inj
  • SIZE ~30 FTE

Nearest TCR peer: Berry Marble Co., Inc. (0.0 TCR gap)

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

Stone Source, Inc. in the TCR neighbourhood

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

TCR

What this shows Stone Source, Inc. averages 4.4 TCR (134% of the Countertops, stone, manufacturing BLS benchmark).

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

Stone Source, Inc. TCR series: 2019=5.2 · 2020=3.7 · 2021=0 · 2022=6.6 · 2023=11.1 · 2024=0 · BLS 3.3

Where Stone Source, Inc. falls in its industry

313 Countertops, stone, manufactur establishments

Safer than 59% of graded establishments in this industry, whose median TCR is 5.3.

More dangerous than peersSafer than peers

Narrower to Minnesota alone (the establishments it most directly competes with for workers and contracts): ranked #9 safest of 16 Countertops, stone, manufactur employers in Minnesota.

Stone Source, Inc. (30 employees, TCR 4.4) 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 Stone Source, Inc.
Stone Source, Inc. (30 employees, TCR 4.4) among 29 same-industry peers, split at the industry median of 45 employees and a TCR of 5.3

Stone Source, Inc. has fewer 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 0.0 0.0 0 0 0
2023 11.1 3.7 3 0 0
2022 6.6 3.3 2 0 0
2021 0.0 0.0 0 0 0
2020 3.7 0.0 1 0 0
2019 5.2 5.2 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327991 · MN · Plymouth

313 Countertops, stone, manufacturing employers nationwide with a credible TCR · 15,828 rated employers in Minnesota with headcount on file · 321 employers in Plymouth, MN · 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 Berry Marble Co., Inc. 4.4 TCR
NAICS-TCR CONN STONE SUPPLIES, INC 4.5 TCR
NAICS-TCR Pinnacle Marble & Granite, Inc. 4.4 TCR
NAICS-TCR C&C Sage, Inc. dba True Blue (San Antonio) 4.4 TCR
STATE-SIZE Nelson Nursery 30 FTE
STATE-SIZE Northern Plains Dairy 30 FTE
STATE-SIZE United Dairy, Westland Dairy 30 FTE
STATE-SIZE Pipestone Grow Finish 30 FTE
CITY-NEAR Lawrence Service LLC 3,881 FTE
CITY-NEAR EP SH Plymouth MN 2,084 FTE
CITY-NEAR EP / SH Plymouth MN 1,982 FTE
CITY-NEAR CN Plymouth 1,565 FTE
NAT-TCR Columbia Cascade Company 4.4 TCR
NAT-TCR Farm 4.4 TCR
NAT-TCR VNA Care Hospice 2 4.4 TCR
NAT-TCR 004-Nike Air Manufacturing Missouri 4.4 TCR
NAT-SIZE Central Washington Refrigeration LLC 30 FTE
NAT-SIZE Santa Ana, CA 30 FTE
NAT-SIZE Morgan County Community Corrections Annex 30 FTE
NAT-SIZE Gross Family Ent. Inc 30 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, 2020, 2019. 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.