Sheet metal duct work installation · Washington

United Systems Mechanical, LLC

Seattle, WA · ~22 workers · 7 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.8
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

United Systems Mechanical, LLC runs at 30% of its industry's injury rate - far safer than the typical Sheet metal duct work installation workplace, earning a grade A.

United Systems Mechanical, LLC: 0.8 TCR = 30% of Sheet metal duct work installation BLS 2.8 · 7y Form 300A (see methodology below)

United Systems Mechanical, LLC safety composite

United Systems Mechanical, LLC scores strongest on total case rate (tcr) (safer than 90% of same-industry peers) and weakest on fatalities (safer than 51%), 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).

B

77/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.85 per 100 workers

Safer than 90% 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%).

Rising injury rate

United Systems Mechanical, LLC: 0.0 → 5.9 TCR

Peak year 2024 @ 5.9 TCR · DART/TCR 0× in 2024

United Systems Mechanical, LLC's TCR rose 5.9 from 0.0 in 2018 to 5.9 in 2024. In 2024, DART was 0× 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 0.8 · 30% of ind

  • DART 0.0 DART
  • RANK #10/145
  • PHOTO Harris Las Vegas, LLC
  • BOOK 7y book
  • INJ 1 inj
  • SIZE ~22 FTE

Nearest TCR peer: Harris Las Vegas, LLC (0.0 TCR gap)

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

United Systems Mechanical, LLC in the TCR neighbourhood

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

TCR

What this shows United Systems Mechanical, LLC averages 0.8 TCR (30% of the Sheet metal duct work installation BLS benchmark).

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

United Systems Mechanical, LLC TCR series: 2018=0 · 2019=0 · 2020=0 · 2021=0 · 2022=0 · 2023=0 · 2024=5.9 · BLS 2.8

Where United Systems Mechanical, LLC falls in its industry

5,793 Sheet metal duct work installa establishments

Safer than 90% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Washington alone (the establishments it most directly competes with for workers and contracts): ranked #10 safest of 145 Sheet metal duct work installa employers in Washington.

United Systems Mechanical, LLC (22 employees, TCR 0.8) 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 United Systems Mechanical, LLC
United Systems Mechanical, LLC (22 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

United Systems Mechanical, LLC has fewer employees than the Sheet metal duct work installation 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
2024 5.9 0.0 1 0 0
2023 0.0 0.0 0 0 0
2022 0.0 0.0 0 0 0
2021 0.0 0.0 0 0 0
2020 0.0 0.0 0 0 0
2019 0.0 0.0 0 0 0
2018 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · WA · Seattle

5,793 Sheet metal duct work installation 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 Metric
NAICS-TCR Harris Las Vegas, LLC 0.8 TCR
NAICS-TCR ATX Corporate 0.8 TCR
NAICS-TCR Straus Systems, Inc. 0.8 TCR
NAICS-TCR Knott Mechanical Inc. 0.8 TCR
STATE-SIZE A&K Orchards Inc. 22 FTE
STATE-SIZE MLDCN-MLDIV-CONNELL CATTLE FEEDERS 22 FTE
STATE-SIZE Gulf Mist, Inc. 22 FTE
STATE-SIZE ITC Services- Pasco 22 FTE
CITY-NEAR UW Seattle 32,378 FTE
CITY-NEAR The United States of America 25,000 FTE
CITY-NEAR Starz Entertainment 25,000 FTE
CITY-NEAR UW Medical Center - Montlake and NW 11,307 FTE
NAT-TCR Legacy Healthcare 0.8 TCR
NAT-TCR Lockheed Martin Corporation US NY Syracuse Electroncs Pkwy (1021) 0.8 TCR
NAT-TCR Sodexo at Virginia Wesleyan University 0.8 TCR
NAT-TCR Eagle Financial Services, Inc 0.8 TCR
NAT-SIZE Paramount Millwright Services, Inc. 22 FTE
NAT-SIZE SC Voc Rehab Laurens 22 FTE
NAT-SIZE SC Voc Rehab Orangeburg 22 FTE
NAT-SIZE SB Concrete, Inc. 22 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. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.