Air-conditioning system (except window) installation · Arizona

R T Brown Mechanical,Inc.

Mesa, AZ · ~65 workers · 5 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
9.2
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

R T Brown Mechanical,Inc. runs at 330% of its industry's injury rate - far more dangerous than the typical Air-conditioning system (except window) installation workplace, earning a grade F.

R T Brown Mechanical,Inc.: 9.2 TCR = 330% of Air-conditioning system (except window) installation BLS 2.8 · 5y Form 300A (see methodology below)

R T Brown Mechanical,Inc. safety composite

R T Brown Mechanical,Inc. scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 12%), 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

46/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 9.24 per 100 workers

Safer than 12% 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

−5.5

2019→2023

R T Brown Mechanical,Inc. injury rate improved

R T Brown Mechanical,Inc.'s TCR fell 5.5 from 9.4 in 2019 to 3.9 in 2023. Peak filing year was 2020 at 13.6 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2019=9.4 · 2020=13.6 · 2021=8.7 · 2022=10.6 · 2023=3.9

OSHA ITA Form 300A scorecard

Establishment book 238220 · Mesa, AZ ABOVE-IND · SMALL

Grade F · TCR 9.2 · 330% of ind

  • DART 0.0 DART
  • RANK #106/131
  • PHOTO Main Offices
  • BOOK 5y book
  • INJ 30 inj
  • SIZE ~65 FTE

Nearest TCR peer: Main Offices (0.0 TCR gap)

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

R T Brown Mechanical,Inc. in the TCR neighbourhood

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

TCR

What this shows R T Brown Mechanical,Inc. averages 9.2 TCR (330% of the Air-conditioning system (except window) installation BLS benchmark).

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

R T Brown Mechanical,Inc. TCR series: 2019=9.4 · 2020=13.6 · 2021=8.7 · 2022=10.6 · 2023=3.9 · BLS 2.8

Where R T Brown Mechanical,Inc. falls in its industry

5,793 Air-conditioning system (excep establishments

Safer than 12% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #106 safest of 131 Air-conditioning system (excep employers in Arizona.

R T Brown Mechanical,Inc. (65 employees, TCR 9.2) 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 R T Brown Mechanical,Inc.
R T Brown Mechanical,Inc. (65 employees, TCR 9.2) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

R T Brown Mechanical,Inc. has more employees than the Air-conditioning system (except window) 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 3.9 0.0 1 0 0
2022 10.6 7.6 6 1 0
2021 8.7 2.5 7 0 0
2020 13.6 9.5 10 0 0
2019 9.4 0.0 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · AZ · Mesa

5,793 Air-conditioning system (except window) installation employers nationwide with a credible TCR · 9,594 rated employers in Arizona with headcount on file · 565 employers in Mesa, AZ · 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 Main Offices 9.2 TCR
NAICS-TCR ALL PRO AIR 9.3 TCR
NAICS-TCR VRF Services of Texas, Inc. 9.2 TCR
NAICS-TCR A.G.O'Brien Plumbing and Heating Company 9.2 TCR
STATE-SIZE Richmond American Homes of Arizona-Phoenix 65 FTE
STATE-SIZE Meritage Homes of South Carolina - Greenville Division 65 FTE
STATE-SIZE Renco Roofing 65 FTE
STATE-SIZE Metric Roofing of Southern Arizona 65 FTE
CITY-NEAR AZ001 4,193 FTE
CITY-NEAR AZAPW9668 AZA - RAMP PAX 3,181 FTE
CITY-NEAR 04-290370278-2 1,964 FTE
CITY-NEAR Police Department H210 1,651 FTE
NAT-TCR AH Excavation LLC 9.2 TCR
NAT-TCR The Electric Connection 9.2 TCR
NAT-TCR Shriners Children's 9.2 TCR
NAT-TCR Highland Park Skilled Nsg & Wlns Centre 9.2 TCR
NAT-SIZE Peter Michael Winery 65 FTE
NAT-SIZE Toenjes Brick Contracting Inc 65 FTE
NAT-SIZE Peacock Manufacturing Company 65 FTE
NAT-SIZE Ennis Furniture Co., Inc 65 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, 2019. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.