Mechanical contractors · Maryland

M. Nelson Barnes & Sons, Inc.

Cockeysville, MD · ~40 workers · 4 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.6
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

M. Nelson Barnes & Sons, Inc. runs at 164% of its industry's injury rate - more dangerous than the typical Mechanical contractors workplace, earning a grade D.

M. Nelson Barnes & Sons, Inc.: 4.6 TCR = 164% of Mechanical contractors BLS 2.8 · 4y Form 300A (see methodology below)

M. Nelson Barnes & Sons, Inc. safety composite

M. Nelson Barnes & Sons, Inc. scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 37%), 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

56/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.58 per 100 workers

Safer than 37% 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

−13.2

2020→2023

M. Nelson Barnes & Sons, Inc. injury rate improved

M. Nelson Barnes & Sons, Inc.'s TCR fell 13.2 from 13.2 in 2020 to 0.0 in 2023. Peak filing year was 2020 at 13.2 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2020=13.2 · 2021=5.1 · 2022=0.0 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Cockeysville, MD ABOVE-IND · SMALL

Grade D · TCR 4.6 · 164% of ind

  • DART 0.0 DART
  • RANK #83/121
  • PHOTO CIMCO INC
  • BOOK 4y book
  • INJ 8 inj
  • SIZE ~40 FTE

Nearest TCR peer: CIMCO INC (0.0 TCR gap)

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

M. Nelson Barnes & Sons, Inc. in the TCR neighbourhood

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

TCR

What this shows M. Nelson Barnes & Sons, Inc. averages 4.6 TCR (164% of the Mechanical contractors BLS benchmark).

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

M. Nelson Barnes & Sons, Inc. TCR series: 2020=13.2 · 2021=5.1 · 2022=0 · 2023=0 · BLS 2.8

Where M. Nelson Barnes & Sons, Inc. falls in its industry

5,793 Mechanical contractors establishments

Safer than 37% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Maryland alone (the establishments it most directly competes with for workers and contracts): ranked #83 safest of 121 Mechanical contractors employers in Maryland.

M. Nelson Barnes & Sons, Inc. (40 employees, TCR 4.6) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3 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 050100150200250 05101520 Average employees Total Case Rate M. Nelson Barnes & Sons, Inc.
M. Nelson Barnes & Sons, Inc. (40 employees, TCR 4.6) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

M. Nelson Barnes & Sons, Inc. has fewer employees than the Mechanical contractors median and a higher injury rate than the industry's median TCR of 3.3. 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
2023 0.0 0.0 0 0 0
2022 0.0 0.0 0 0 0
2021 5.1 2.5 2 0 0
2020 13.2 11.0 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MD · Cockeysville

5,793 Mechanical contractors employers nationwide with a credible TCR · 7,213 rated employers in Maryland with headcount on file · 46 employers in Cockeysville, 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 CIMCO INC 4.6 TCR
NAICS-TCR Focus Plumbing, LLC 4.6 TCR
NAICS-TCR Total Fire Protection West, Inc. 4.6 TCR
NAICS-TCR Fire Equipment Incorporated 4.6 TCR
STATE-SIZE Chalk Point Generating Station 40 FTE
STATE-SIZE Revolution Solar 40 FTE
STATE-SIZE CFM/Severn Associates JV 40 FTE
STATE-SIZE Hamilton Pacific Chamberlain, LLC 40 FTE
CITY-NEAR 8010512-Coty 534 FTE
CITY-NEAR 2577 357 FTE
CITY-NEAR WM 2577 328 FTE
CITY-NEAR Saft America Inc. 284 FTE
NAT-TCR Luxor Sayville Nursing and Rehabilitation Center 4.6 TCR
NAT-TCR Platt & LaBonia Co LLC 4.6 TCR
NAT-TCR The Furniture Guild 4.6 TCR
NAT-TCR Plant WG 4.6 TCR
NAT-SIZE Reliable Equipment Manufacturing Building 101 40 FTE
NAT-SIZE Construction 40 FTE
NAT-SIZE Rockland Marine Corp 40 FTE
NAT-SIZE Suzanne Elise assisted living 40 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: 2023, 2022, 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.