Fire alarm system, electric, installation only · Massachusetts

J&M Brown Company

Dedham, MA · ~558 workers · 2 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.6
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

J&M Brown Company runs at 57% of its industry's injury rate - safer than the typical Fire alarm system, electric, installation only workplace, earning a grade B.

J&M Brown Company: 1.6 TCR = 57% of Fire alarm system, electric, installation only BLS 2.8 · 2y Form 300A (see methodology below)

J&M Brown Company safety composite

J&M Brown Company scores strongest on total case rate (tcr) (safer than 66% of same-industry peers) and weakest on fatalities (safer than 51%), 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

57/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 1.6 per 100 workers

Safer than 66% of industry peers

DART rate
D 0.39 per 100 workers

Safer than 52% 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%).

J&M Brown Company held a steady TCR band

J&M Brown Company's TCR held near 0.3 from 1.5 in 2023 to 1.7 in 2024. In 2024, DART was 0.24× this establishment's average TCR (severity share of cases).

2023=1.5 · 2024=1.7

OSHA ITA Form 300A scorecard

Establishment book 238210 · Dedham, MA AT/BELOW-IND · MID

Grade B · TCR 1.6 · 57% of ind

  • DART 0.4 DART
  • RANK #33/128
  • PHOTO Cable Tel Services, …
  • BOOK 2y book
  • INJ 17 inj
  • SIZE ~558 FTE

Nearest TCR peer: Cable Tel Services, Inc. (0.0 TCR gap)

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

J&M Brown Company in the TCR neighbourhood

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

TCR

What this shows J&M Brown Company averages 1.6 TCR (57% of the Fire alarm system, electric, installation only BLS benchmark).

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

J&M Brown Company TCR series: 2023=1.5 · 2024=1.7 · BLS 2.8

Where J&M Brown Company falls in its industry

4,550 Fire alarm system, electric, i establishments

Safer than 66% of graded establishments in this industry, whose median TCR is 2.5.

More dangerous than peersSafer than peers

Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #33 safest of 128 Fire alarm system, electric, i employers in Massachusetts.

J&M Brown Company (558 employees, TCR 1.6) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 2.5 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 05001,0001,500 051015 Average employees Total Case Rate J&M Brown Company
J&M Brown Company (558 employees, TCR 1.6) among 29 same-industry peers, split at the industry median of 63 employees and a TCR of 2.5

J&M Brown Company has more employees than the Fire alarm system, electric, installatio median and a lower injury rate than the industry's median TCR of 2.5. 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 1.7 0.4 9 0 0
2023 1.5 0.6 8 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238210 · MA · Dedham

4,550 Fire alarm system, electric, installation only employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 60 employers in Dedham, MA · 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 Cable Tel Services, Inc. 1.6 TCR
NAICS-TCR Frey Electric Construction Company Inc. 1.6 TCR
NAICS-TCR Climatec LLC 1.6 TCR
NAICS-TCR Vaughn Industries, LLC Carey 1.6 TCR
STATE-SIZE Gold Medal Bakery 560 FTE
STATE-SIZE Biogen -U.S. Field 560 FTE
STATE-SIZE Schneider Electric Systems USA, Inc - Cocasset 555 FTE
STATE-SIZE Cumberland Farms - Westboro Distribution Center 562 FTE
CITY-NEAR AMZL : DBO2 844 FTE
CITY-NEAR Electrical Contractor 566 FTE
CITY-NEAR HMADH01 341 FTE
CITY-NEAR 10319 Dedham 307 FTE
NAT-TCR Hershey 1.6 TCR
NAT-TCR LTAC of Louisiana LLC 1.6 TCR
NAT-TCR Garner Operations Center 1.6 TCR
NAT-TCR Value Added Packaging, Inc. 1.6 TCR
NAT-SIZE 978 Fre1000 558 FTE
NAT-SIZE Torrance Refining Company LLC 558 FTE
NAT-SIZE Berkshire Farm Center & Services for Youth 558 FTE
NAT-SIZE Duffield 558 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. 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.