Heating, ventilation and air-conditioning (HVAC) contractors · Michigan

Robertson Morrison Inc

Ann Arbor, MI · ~60 workers · 9 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
7.8
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Robertson Morrison Inc runs at 280% of its industry's injury rate - far more dangerous than the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade F.

Robertson Morrison Inc: 7.8 TCR = 280% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 9y Form 300A (see methodology below)

Robertson Morrison Inc safety composite

Robertson Morrison Inc scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 17%), 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

48/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 7.84 per 100 workers

Safer than 17% 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

−4.7

2016→2024

Robertson Morrison Inc injury rate improved

Robertson Morrison Inc's TCR fell 4.7 from 11.8 in 2016 to 7.1 in 2024. Peak filing year was 2017 at 14.8 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2016=11.8 · 2017=14.8 · 2018=5.9 · 2019=12.5 · 2020=8.5 · 2021=3.4 · 2022=5.0 · 2023=1.6 · 2024=7.1

OSHA ITA Form 300A scorecard

Establishment book 238220 · Ann Arbor, MI ABOVE-IND · SMALL

Grade F · TCR 7.8 · 280% of ind

  • DART 0.0 DART
  • RANK #128/153
  • PHOTO Tiger
  • BOOK 9y book
  • INJ 38 inj
  • SIZE ~60 FTE

Nearest TCR peer: Tiger (0.0 TCR gap)

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

Robertson Morrison Inc in the TCR neighbourhood

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

TCR

What this shows Robertson Morrison Inc averages 7.8 TCR (280% of the Heating, ventilation and air-conditioning (HVAC) contractors BLS benchmark).

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

Robertson Morrison Inc TCR series: 2016=11.8 · 2017=14.8 · 2018=5.9 · 2019=12.5 · 2020=8.5 · 2021=3.4 · 2022=5 · 2023=1.6 · 2024=7.1 · BLS 2.8

Where Robertson Morrison Inc falls in its industry

5,793 Heating, ventilation and air-c establishments

Safer than 17% 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 #128 safest of 153 Heating, ventilation and air-c employers in Michigan.

Robertson Morrison Inc (60 employees, TCR 7.8) 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 Robertson Morrison Inc
Robertson Morrison Inc (60 employees, TCR 7.8) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Robertson Morrison Inc has more employees than the Heating, ventilation and air-conditionin 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 7.1 0.0 5 0 0
2023 1.6 0.0 0 1 0
2022 5.0 0.0 3 0 0
2021 3.4 0.0 2 0 0
2020 8.5 0.0 4 0 0
2019 12.5 0.0 7 0 0
2018 5.9 0.0 3 0 0
2017 14.8 0.0 8 0 0
2016 11.8 2.0 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · MI · Ann Arbor

5,793 Heating, ventilation and air-conditioning (HVAC) contractors employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 271 employers in Ann Arbor, 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 Tiger 7.8 TCR
NAICS-TCR Century Fire Protection Knoxville 7.8 TCR
NAICS-TCR Gagne Mulford Enterprises, Inc. 7.8 TCR
NAICS-TCR Clark Heating & Cooling Inc 7.8 TCR
STATE-SIZE Konos DBA Vande Bunte Eggs 60 FTE
STATE-SIZE Marquette Board of Light & Power 60 FTE
STATE-SIZE Hamilton SC 60 FTE
STATE-SIZE VanDam & Krusinga Building and Restoration 60 FTE
CITY-NEAR Saint Joseph Mercy Hospital-AnnArbor 5,575 FTE
CITY-NEAR St. Joseph Mercy Hospital-Ann Arbor 5,554 FTE
CITY-NEAR IHA Health Services Corporation 2,533 FTE
CITY-NEAR Thomson Reuters - Ann Arbor 1,090 FTE
NAT-TCR Progress West Hospital 7.8 TCR
NAT-TCR Filter Minder 7.8 TCR
NAT-TCR Branch 204 7.8 TCR
NAT-TCR RET-SSH Store 28 7.8 TCR
NAT-SIZE Herzog Contracting Corp - Asphalt 60 FTE
NAT-SIZE North Alabama Region 60 FTE
NAT-SIZE Tintronics Industries 60 FTE
NAT-SIZE Store #32 60 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.