Heating and ventilation system component (e.g., air registers, diffusers, filters, grilles, sound attenuators) installation · Arizona

Plumbing Masters

Name: Plumbing Masters Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Peoria, AZ · ~28 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

F
Failing Safety Record: 16.3
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Plumbing Masters runs at 582% of its industry's injury rate - far more dangerous than the typical Heating and ventilation system component (e.g., air registers, diffusers, filters, grilles, sound attenuators) installation workplace, earning a grade F.

Plumbing Masters: 16.3 TCR = 582% of Heating and ventilation system component (e.g., air registers, diffusers, filters, grilles, sound attenuators) installation BLS 2.8 · 2y Form 300A (see methodology below)

Plumbing Masters safety composite

Plumbing Masters scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 2%), 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).

14/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): F 16.3 per 100 workers

Safer than 2% of industry peers
DART rate: F 15.57 per 100 workers

Safer than 2% 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%).

Rising injury rate

Plumbing Masters: 13.9 → 18.7 TCR

Peak year 2017 @ 18.7 TCR · DART/TCR 0.96× in 2017

Plumbing Masters's TCR rose 4.8 from 13.9 in 2016 to 18.7 in 2017. In 2017, DART was 0.96× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

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

Grade F · TCR 16.3 · 582% of ind

DART 15.6 DART
RANK #126/131
PHOTO MW Willard Plumbing …
BOOK 2y book
INJ 7 inj
SIZE ~28 FTE

Nearest TCR peer: MW Willard Plumbing and Heating Inc. (0.0 TCR gap)

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This site

16.3
MW Willard Plu

16.3
Swanson's Refr

16.3
Four Seasons H

16.3
Innovative Air

16.2

What this shows Plumbing Masters averages 16.3 TCR (582% of the Heating and ventilation system component (e.g., air registers, diffusers, filters, grilles, sound attenuators) installation BLS benchmark).

Plumbing Masters TCR series: 2016=13.9 · 2017=18.7 · BLS 2.8

Where Plumbing Masters falls in its industry

5,793 Heating and ventilation system establishments

Safer than 2% of graded establishments in this industry, whose median TCR is 3.3.

Grade F

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #126 safest of 131 Heating and ventilation system employers in Arizona.

Plumbing Masters (28 employees, TCR 16.3) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Plumbing Masters has fewer employees than the Heating and ventilation system component 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
2017	18.7	15.6	6	0	0
2016	13.9	13.9	1	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · AZ · Peoria

5,793 Heating and ventilation system component (e.g., air registers, diffusers, filters, grilles, sound attenuators) installation employers nationwide with a credible TCR · 9,594 rated employers in Arizona with headcount on file · 170 employers in Peoria, AZ · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	MW Willard Plumbing and Heating Inc.	SHARPSBURG, MD	16.3 TCR
NAICS-TCR	Swanson's Refrigeration & Restaurant Repair	SPOKANE, WA	16.3 TCR
NAICS-TCR	Four Seasons Heating, Inc.	WHEAT RIDGE, CO	16.3 TCR
NAICS-TCR	Innovative Air, Inc.	EUGENE, OR	16.2 TCR
STATE-SIZE	ABACA	PHOENIX	28 FTE
STATE-SIZE	Tatum	PHOENIX	28 FTE
STATE-SIZE	Tonopah	TONOPAH	28 FTE
STATE-SIZE	Cholla Livestock	SCOTTSDALE	28 FTE
CITY-NEAR	Rapid Recovery	Peoria	2,552 FTE
CITY-NEAR	Ono-507	Peoria	910 FTE
CITY-NEAR	Ono-506	Peoria	909 FTE
CITY-NEAR	1533	Peoria	401 FTE
NAT-TCR	#714 World Class Kitchens	Freehold, NJ	16.3 TCR
NAT-TCR	Tuff Shed Store 030 - Salt Lake City - NW	Salt Lake City, UT	16.3 TCR
NAT-TCR	Service Trucks International	Sioux Center, IA	16.3 TCR
NAT-TCR	Gilroy Healthcare and Rehabilitation Center	Gilroy, CA	16.3 TCR
NAT-SIZE	0773 - Enterprise, Al	Enterprise, AL	28 FTE
NAT-SIZE	0445 - Murrieta, Ca	Murrieta, CA	28 FTE
NAT-SIZE	0196 - Albany, Ny	Albany, NY	28 FTE
NAT-SIZE	0118 - Huntsville, Al	Huntsville, AL	28 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: 2017, 2016. 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.