Warm air heating system installation · Indiana

MJM Mechanical, LLC

Fort Wayne, IN · ~32 workers · 7 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.2
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

MJM Mechanical, LLC runs at 185% of its industry's injury rate - more dangerous than the typical Warm air heating system installation workplace, earning a grade D.

MJM Mechanical, LLC: 5.2 TCR = 185% of Warm air heating system installation BLS 2.8 · 7y Form 300A (see methodology below)

MJM Mechanical, LLC safety composite

MJM Mechanical, LLC scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 33%), 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).

D

54/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 5.18 per 100 workers

Safer than 33% 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

−5.0

2018→2024

MJM Mechanical, LLC injury rate improved

MJM Mechanical, LLC's TCR fell 5.0 from 9.7 in 2018 to 4.6 in 2024. Peak filing year was 2018 at 9.7 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2018=9.7 · 2019=0.0 · 2020=6.2 · 2021=6.2 · 2022=5.1 · 2023=4.7 · 2024=4.6

OSHA ITA Form 300A scorecard

Establishment book 238220 · Fort Wayne, IN ABOVE-IND · SMALL

Grade D · TCR 5.2 · 185% of ind

  • DART 0.0 DART
  • RANK #94/130
  • PHOTO A&H Plumbing, Inc.
  • BOOK 7y book
  • INJ 10 inj
  • SIZE ~32 FTE

Nearest TCR peer: A&H Plumbing, Inc. (0.0 TCR gap)

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

MJM Mechanical, LLC in the TCR neighbourhood

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

TCR

What this shows MJM Mechanical, LLC averages 5.2 TCR (185% of the Warm air heating system installation BLS benchmark).

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

MJM Mechanical, LLC TCR series: 2018=9.7 · 2019=0 · 2020=6.2 · 2021=6.2 · 2022=5.1 · 2023=4.7 · 2024=4.6 · BLS 2.8

Where MJM Mechanical, LLC falls in its industry

5,793 Warm air heating system instal establishments

Safer than 33% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Indiana alone (the establishments it most directly competes with for workers and contracts): ranked #94 safest of 130 Warm air heating system instal employers in Indiana.

MJM Mechanical, LLC (32 employees, TCR 5.2) 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 MJM Mechanical, LLC
MJM Mechanical, LLC (32 employees, TCR 5.2) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

MJM Mechanical, LLC has fewer employees than the Warm air heating system installation 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
2024 4.6 0.0 2 0 0
2023 4.7 2.3 2 0 0
2022 5.1 0.0 2 0 0
2021 6.2 3.1 2 0 0
2020 6.2 6.2 0 2 0
2019 0.0 0.0 0 0 0
2018 9.7 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · IN · Fort Wayne

5,793 Warm air heating system installation employers nationwide with a credible TCR · 12,750 rated employers in Indiana with headcount on file · 634 employers in Fort Wayne, IN · 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 A&H Plumbing, Inc. 5.2 TCR
NAICS-TCR JENSENS PLUMBING & HEATING Inc 5.2 TCR
NAICS-TCR A/C Doctors, LLC 5.2 TCR
NAICS-TCR Perfection Group, Inc., Indianapolis 5.2 TCR
STATE-SIZE R. Gallagher Generating Station 32 FTE
STATE-SIZE Aurora 32 FTE
STATE-SIZE Jasper County REMC Headquarters 32 FTE
STATE-SIZE Indiana American Water-Northwest District Borman Park Water Treatment Plant 32 FTE
CITY-NEAR Parkview Memorial Hospital 6,096 FTE
CITY-NEAR Parkview North Hospital 4,648 FTE
CITY-NEAR Parkview Corporate Office 3,312 FTE
CITY-NEAR Shambaugh & Son LP 3,072 FTE
NAT-TCR NJ South Home Care-Runnemede 5.2 TCR
NAT-TCR Tiarco Chemical 5.2 TCR
NAT-TCR Recology Hay Road 5.2 TCR
NAT-TCR Pearl Store 5.2 TCR
NAT-SIZE Town of Blacksburg 32 FTE
NAT-SIZE Ray Smith & Associates, Inc. 78 White Street 32 FTE
NAT-SIZE JD Farm Labor Services 32 FTE
NAT-SIZE Magnum Construction 32 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. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.