Employer · Ohio

M-M Masonry, LLC

Columbus, OH · ~66 workers · 9 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
6.3
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

M-M Masonry, LLC runs at 225% of its industry's injury rate - far more dangerous than the typical industry workplace, earning a grade F.

M-M Masonry, LLC: 6.3 TCR = 225% of industry BLS 2.8 · 9y Form 300A (see methodology below)

M-M Masonry, LLC safety composite

M-M Masonry, LLC scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 27%), 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).

F

34/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 6.31 per 100 workers

Safer than 27% of industry peers

DART rate
F 3.77 per 100 workers

Safer than 30% 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%).

M-M Masonry, LLC held a steady TCR band

M-M Masonry, LLC's TCR held near 0.2 from 4.8 in 2016 to 5.0 in 2024. Peak filing year was 2019 at 12.7 TCR. In 2024, DART was 0.6× this establishment's average TCR (severity share of cases).

2016=4.8 · 2017=4.7 · 2018=8.7 · 2019=12.7 · 2020=10.2 · 2021=4.7 · 2022=2.2 · 2023=3.6 · 2024=5.0

OSHA ITA Form 300A scorecard

Establishment book 238140 · Columbus, OH ABOVE-IND · SMALL

Grade F · TCR 6.3 · 225% of ind

  • DART 3.8 DART
  • RANK #39/45
  • PHOTO masonry builders inc.
  • BOOK 9y book
  • INJ 32 inj
  • SIZE ~66 FTE

Nearest TCR peer: masonry builders inc. (0.0 TCR gap)

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

M-M Masonry, LLC in the TCR neighbourhood

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

TCR

What this shows M-M Masonry, LLC averages 6.3 TCR (225% of the industry BLS benchmark).

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

M-M Masonry, LLC TCR series: 2016=4.8 · 2017=4.7 · 2018=8.7 · 2019=12.7 · 2020=10.2 · 2021=4.7 · 2022=2.2 · 2023=3.6 · 2024=5 · BLS 2.8

Where M-M Masonry, LLC falls in its industry

703 industry establishments

Safer than 27% of graded establishments in this industry, whose median TCR is 3.9.

More dangerous than peersSafer than peers

Narrower to Ohio alone (the establishments it most directly competes with for workers and contracts): ranked #39 safest of 45 industry employers in Ohio.

M-M Masonry, LLC (66 employees, TCR 6.3) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 3.9 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 0200400600 0246810 Average employees Total Case Rate M-M Masonry, LLC
M-M Masonry, LLC (66 employees, TCR 6.3) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 3.9

M-M Masonry, LLC has more employees than the industry median and a higher injury rate than the industry's median TCR of 3.9. 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 5.0 3.8 4 0 0
2023 3.6 3.6 2 0 0
2022 2.2 0.0 1 0 0
2021 4.7 4.7 2 0 0
2020 10.2 10.2 5 0 0
2019 12.7 12.7 7 0 0
2018 8.7 8.7 5 0 0
2017 4.7 4.7 3 0 0
2016 4.8 4.8 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238140 · OH · Columbus

703 industry employers nationwide with a credible TCR · 22,650 rated employers in Ohio with headcount on file · 1,500 employers in Columbus, OH · 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 masonry builders inc. 6.3 TCR
NAICS-TCR Masonry Preservation Services, Inc. 6.3 TCR
NAICS-TCR Onex - Erie 6.4 TCR
NAICS-TCR JDMC Services, LLC 6.2 TCR
STATE-SIZE Poultry Service Associates Inc. 66 FTE
STATE-SIZE Bowling Green 66 FTE
STATE-SIZE MGQ, Inc. 66 FTE
STATE-SIZE ENGIE North America - OSU 66 FTE
CITY-NEAR Nationwide Children's Hospital 13,367 FTE
CITY-NEAR Nationwide Children's Hospital Main Campus 10,116 FTE
CITY-NEAR Riverside Methodist Hospital 9,759 FTE
CITY-NEAR North America Fulfillment Centers (FCs) : CMH1 5,057 FTE
NAT-TCR Corporate Headquarters 6.3 TCR
NAT-TCR Chief Buildings Rensselaer 6.3 TCR
NAT-TCR Iowa Rotocast Plastics, Inc 6.3 TCR
NAT-TCR Tampa TAM 6.3 TCR
NAT-SIZE Norton Metals 66 FTE
NAT-SIZE Landau Building Company 66 FTE
NAT-SIZE IHG Army Hotels - Fort Sill (Holiday Inn Express/Army Lodging) 66 FTE
NAT-SIZE American Carton 66 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, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.