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

MacDonald-Miller Facility Solutions, Inc. WSCC

Name: MacDonald-Miller Facility Solutions, Inc. WSCC Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Seattle, WA · ~49 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · September 26, 2026

A
Excellent Safety Record: 0.7
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

MacDonald-Miller Facility Solutions, Inc. WSCC runs at 26% of its industry's injury rate - far safer than the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade A.

MacDonald-Miller Facility Solutions, Inc. WSCC: 0.7 TCR = 26% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 2y Form 300A (see methodology below)

MacDonald-Miller Facility Solutions, Inc. WSCC safety composite

MacDonald-Miller Facility Solutions, Inc. WSCC scores strongest on total case rate (tcr) (safer than 92% of same-industry peers) and weakest on dart rate (safer than 46%), 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).

66/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): A 0.72 per 100 workers

Safer than 92% of industry peers
DART rate: D 1.44 per 100 workers

Safer than 46% 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

MacDonald-Miller Facility Solutions, Inc. WSCC: 0.0 → 1.4 TCR

Peak year 2020 @ 1.4 TCR · DART/TCR 2× in 2020

MacDonald-Miller Facility Solutions, Inc. WSCC's TCR rose 1.4 from 0.0 in 2019 to 1.4 in 2020. In 2020, DART was 2× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Seattle, WA AT/BELOW-IND · SMALL

Grade A · TCR 0.7 · 26% of ind

DART 1.4 DART
RANK #4/145
PHOTO Futureway Mechanical…
BOOK 2y book
INJ 1 inj
SIZE ~49 FTE

Nearest TCR peer: Futureway Mechanical, Inc. (0.0 TCR gap)

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

This site

0.7
Futureway Mech

0.7
northwest Mech

0.7
Starcon @ Form

0.7
BT Baltimore

0.7

What this shows MacDonald-Miller Facility Solutions, Inc. WSCC averages 0.7 TCR (26% of the Heating, ventilation and air-conditioning (HVAC) contractors BLS benchmark).

MacDonald-Miller Facility Solutions, Inc. WSCC TCR series: 2019=0 · 2020=1.4 · BLS 2.8

Where MacDonald-Miller Facility Solutions, Inc. WSCC falls in its industry

5,793 Heating, ventilation and air-c establishments

Safer than 92% of graded establishments in this industry, whose median TCR is 3.3.

Grade A

More dangerous than peersSafer than peers

Narrower to Washington alone (the establishments it most directly competes with for workers and contracts): ranked #4 safest of 145 Heating, ventilation and air-c employers in Washington.

MacDonald-Miller Facility Solutions, Inc. WSCC (49 employees, TCR 0.7) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

MacDonald-Miller Facility Solutions, Inc. WSCC has fewer employees than the Heating, ventilation and air-conditionin 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
2020	1.4	1.4	1	0	0
2019	0.0	0.0	0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · WA · Seattle

5,793 Heating, ventilation and air-conditioning (HVAC) contractors employers nationwide with a credible TCR · 10,147 rated employers in Washington with headcount on file · 1,279 employers in Seattle, WA · 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	Futureway Mechanical, Inc.	MESA, AZ	0.7 TCR
NAICS-TCR	northwest Mechanical	DAVENPORT, IA	0.7 TCR
NAICS-TCR	Starcon @ Formosa Baton Rouge	BATON ROUGE, LA	0.7 TCR
NAICS-TCR	BT Baltimore	BALTIMORE, MD	0.7 TCR
STATE-SIZE	Regency Pacific	NEWCASTLE	49 FTE
STATE-SIZE	K Quest LLC	EVERETT	49 FTE
STATE-SIZE	Jones & Roberts Co	OLYMPIA	49 FTE
STATE-SIZE	Lompoc Van & Storage	KENT	49 FTE
CITY-NEAR	UW Seattle	Seattle	32,378 FTE
CITY-NEAR	The United States of America	Seattle	25,000 FTE
CITY-NEAR	Starz Entertainment	Seattle	25,000 FTE
CITY-NEAR	UW Medical Center - Montlake and NW	Seattle	11,307 FTE
NAT-TCR	Genesis	Exton, PA	0.7 TCR
NAT-TCR	Morcofab	Plainview, NY	0.7 TCR
NAT-TCR	Division of Environmental Services	West Sacramento, CA	0.7 TCR
NAT-TCR	Princeton R&D	Princeton, NJ	0.7 TCR
NAT-SIZE	PlastiComp, Inc.	Winona, MN	49 FTE
NAT-SIZE	National Steel Construction, Inc.	Greenfield, MO	49 FTE
NAT-SIZE	Milcrest	Marysville, OH	49 FTE
NAT-SIZE	Brookdale Cedar City	Cedar City, UT	49 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: 2020, 2019. 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.