Plumbing and heating contractors · Michigan

AJ Danboise Son Inc

Farmington Hills, MI · ~31 workers · 4 years of OSHA Injury Tracking Application data.

C
Average Safety Record
2.8
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

AJ Danboise Son Inc runs at 100% of its industry's injury rate - about level with the typical Plumbing and heating contractors workplace, earning a grade C.

AJ Danboise Son Inc: 2.8 TCR = 100% of Plumbing and heating contractors BLS 2.8 · 4y Form 300A (see methodology below)

AJ Danboise Son Inc safety composite

AJ Danboise Son Inc scores strongest on dart rate (safer than 80% 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

63/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.81 per 100 workers

Safer than 56% 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%).

AJ Danboise Son Inc held a steady TCR band

AJ Danboise Son Inc's TCR held near 0.0 from 0.0 in 2020 to 0.0 in 2024. Peak filing year was 2022 at 7.0 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2020=0.0 · 2022=7.0 · 2023=4.3 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Farmington Hills, MI ABOVE-IND · SMALL

Grade C · TCR 2.8 · 100% of ind

  • DART 0.0 DART
  • RANK #72/153
  • PHOTO Comfort Systems USA …
  • BOOK 4y book
  • INJ 3 inj
  • SIZE ~31 FTE

Nearest TCR peer: Comfort Systems USA Southeast. Thomasville DIV 10 (0.0 TCR gap)

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AJ Danboise Son Inc in the TCR neighbourhood

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

TCR

What this shows AJ Danboise Son Inc averages 2.8 TCR (100% of the Plumbing and heating contractors BLS benchmark).

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

AJ Danboise Son Inc TCR series: 2020=0 · 2022=7 · 2023=4.3 · 2024=0 · BLS 2.8

Where AJ Danboise Son Inc falls in its industry

5,793 Plumbing and heating contracto establishments

Safer than 56% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #72 safest of 153 Plumbing and heating contracto employers in Michigan.

AJ Danboise Son Inc (31 employees, TCR 2.8) 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 AJ Danboise Son Inc
AJ Danboise Son Inc (31 employees, TCR 2.8) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

AJ Danboise Son Inc has fewer employees than the Plumbing and heating contractors median and a lower 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 0.0 0.0 0 0 0
2023 4.3 0.0 1 0 0
2022 7.0 3.5 2 0 0
2020 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MI · Farmington Hills

5,793 Plumbing and heating contractors employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 168 employers in Farmington Hills, MI · 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 Comfort Systems USA Southeast. Thomasville DIV 10 2.8 TCR
NAICS-TCR EM Duggan Inc, 2.8 TCR
NAICS-TCR Bridgeview 2.8 TCR
NAICS-TCR 8167 - 1-MAIN 2.8 TCR
STATE-SIZE Schwartz Greenhouse, Inc. 31 FTE
STATE-SIZE Electric Production 31 FTE
STATE-SIZE R.B. Satkowiak's City Sewer Cleaners 31 FTE
STATE-SIZE Melching Inc. 31 FTE
CITY-NEAR Centria Healthcare LLC 3,648 FTE
CITY-NEAR 2250-517 2,497 FTE
CITY-NEAR Beechview Elementary 1,317 FTE
CITY-NEAR Facilities Management 1,317 FTE
NAT-TCR Lemoyne Interiors 2.8 TCR
NAT-TCR Radici Plastics USA, Inc 2.8 TCR
NAT-TCR Lenzen Chevrolet-Buick Inc 2.8 TCR
NAT-TCR PA-Mechanicsburg 2.8 TCR
NAT-SIZE TPS Westport Towne Hosp 31 FTE
NAT-SIZE Starr Electric Company, Inc Columbia 31 FTE
NAT-SIZE D'Agostino #801 31 FTE
NAT-SIZE D'Agostino #815 31 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, 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.