Central heating equipment and piping installation · Texas

Mueller & Wilson, Inc.

San Antonio, TX · ~73 workers · 4 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
6.3
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Mueller & Wilson, Inc. runs at 226% of its industry's injury rate - far more dangerous than the typical Central heating equipment and piping installation workplace, earning a grade F.

Mueller & Wilson, Inc.: 6.3 TCR = 226% of Central heating equipment and piping installation BLS 2.8 · 4y Form 300A (see methodology below)

Mueller & Wilson, Inc. safety composite

Mueller & Wilson, Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 25%), 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

39/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 6.34 per 100 workers

Safer than 25% of industry peers

DART rate
D 1.38 per 100 workers

Safer than 47% 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

−9.4

2017→2021

Mueller & Wilson, Inc. injury rate improved

Mueller & Wilson, Inc.'s TCR fell 9.4 from 12.2 in 2017 to 2.8 in 2021. Peak filing year was 2017 at 12.2 TCR. In 2021, DART was 0.22× this establishment's average TCR (severity share of cases).

2017=12.2 · 2019=4.2 · 2020=6.2 · 2021=2.8

OSHA ITA Form 300A scorecard

Establishment book 238220 · San Antonio, TX ABOVE-IND · SMALL

Grade F · TCR 6.3 · 226% of ind

  • DART 1.4 DART
  • RANK #340/408
  • PHOTO Climate Pros Sacram…
  • BOOK 4y book
  • INJ 16 inj
  • SIZE ~73 FTE

Nearest TCR peer: Climate Pros Sacramento (0.0 TCR gap)

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

Mueller & Wilson, Inc. in the TCR neighbourhood

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

TCR

What this shows Mueller & Wilson, Inc. averages 6.3 TCR (226% of the Central heating equipment and piping installation BLS benchmark).

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

Mueller & Wilson, Inc. TCR series: 2017=12.2 · 2019=4.2 · 2020=6.2 · 2021=2.8 · BLS 2.8

Where Mueller & Wilson, Inc. falls in its industry

5,793 Central heating equipment and establishments

Safer than 25% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Texas alone (the establishments it most directly competes with for workers and contracts): ranked #340 safest of 408 Central heating equipment and employers in Texas.

Mueller & Wilson, Inc. (73 employees, TCR 6.3) 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 Mueller & Wilson, Inc.
Mueller & Wilson, Inc. (73 employees, TCR 6.3) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Mueller & Wilson, Inc. has more employees than the Central heating equipment and piping ins 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
2021 2.8 1.4 2 0 0
2020 6.2 2.5 5 0 0
2019 4.2 2.8 3 0 0
2017 12.2 6.1 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · TX · San Antonio

5,793 Central heating equipment and piping installation employers nationwide with a credible TCR · 38,394 rated employers in Texas with headcount on file · 2,207 employers in San Antonio, TX · 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 Climate Pros Sacramento 6.3 TCR
NAICS-TCR Climate Pros Honolulu 6.3 TCR
NAICS-TCR Canyon State Air Conditioning 6.3 TCR
NAICS-TCR Thermal Tech Orlando 6.3 TCR
STATE-SIZE Eden Green Technology 73 FTE
STATE-SIZE Treesap Farms LLC - Mill Creek 73 FTE
STATE-SIZE T-Rey Properties Inc. 73 FTE
STATE-SIZE CenterPoint Energy - South District Houston 73 FTE
CITY-NEAR Bexar County Hospital District 8,703 FTE
CITY-NEAR Legend Oaks Health & Rehabilitation West San Antonio 6,953 FTE
CITY-NEAR ISS Facility Services Inc. 6,177 FTE
CITY-NEAR Buena Vida of San Antonio 5,262 FTE
NAT-TCR National Car Rental - 36N1 6.3 TCR
NAT-TCR MBP 6.3 TCR
NAT-TCR Tanglewood Trace 6.3 TCR
NAT-TCR Gopher Resource 6.3 TCR
NAT-SIZE Zipster Delivery Service, LLC 73 FTE
NAT-SIZE SIS Manpower, Inc. 73 FTE
NAT-SIZE RHS 73 FTE
NAT-SIZE Las Vegas, NV HVAC 73 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: 2021, 2020, 2019, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.