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

Air Systems Engineering Inc

Tacoma, WA · ~87 workers · 4 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.9
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Air Systems Engineering Inc runs at 174% of its industry's injury rate - more dangerous than the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade D.

Air Systems Engineering Inc: 4.9 TCR = 174% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 4y Form 300A (see methodology below)

Air Systems Engineering Inc safety composite

Air Systems Engineering Inc scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 27%), 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

36/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.87 per 100 workers

Safer than 35% of industry peers

DART rate
F 3.29 per 100 workers

Safer than 27% 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

−0.8

2019→2024

Air Systems Engineering Inc injury rate improved

Air Systems Engineering Inc's TCR fell 0.8 from 7.4 in 2019 to 6.6 in 2024. Peak filing year was 2019 at 7.4 TCR. In 2024, DART was 0.68× this establishment's average TCR (severity share of cases).

2019=7.4 · 2022=1.3 · 2023=4.2 · 2024=6.6

OSHA ITA Form 300A scorecard

Establishment book 238220 · Tacoma, WA ABOVE-IND · SMALL

Grade D · TCR 4.9 · 174% of ind

  • DART 3.3 DART
  • RANK #67/145
  • PHOTO Mueller and Wilson I…
  • BOOK 4y book
  • INJ 17 inj
  • SIZE ~87 FTE

Nearest TCR peer: Mueller and Wilson Inc. (0.0 TCR gap)

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

Air Systems Engineering Inc in the TCR neighbourhood

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

TCR

What this shows Air Systems Engineering Inc averages 4.9 TCR (174% of the Heating, ventilation and air-conditioning (HVAC) contractors BLS benchmark).

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

Air Systems Engineering Inc TCR series: 2019=7.4 · 2022=1.3 · 2023=4.2 · 2024=6.6 · BLS 2.8

Where Air Systems Engineering Inc falls in its industry

5,793 Heating, ventilation and air-c establishments

Safer than 35% 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 #67 safest of 145 Heating, ventilation and air-c employers in Washington.

Air Systems Engineering Inc (87 employees, TCR 4.9) 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 Air Systems Engineering Inc
Air Systems Engineering Inc (87 employees, TCR 4.9) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Air Systems Engineering Inc has more employees than the Heating, ventilation and air-conditionin 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
2024 6.6 3.3 6 0 0
2023 4.2 4.2 4 0 0
2022 1.3 0.0 1 0 0
2019 7.4 7.4 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · WA · Tacoma

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 · 445 employers in Tacoma, 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 Mueller and Wilson Inc. 4.9 TCR
NAICS-TCR Braconier Plumbing & Heating 4.9 TCR
NAICS-TCR Batjer & Associates 4.9 TCR
NAICS-TCR HeatGuy, Llc. 4.9 TCR
STATE-SIZE Shelton, WA 87 FTE
STATE-SIZE Maintenance & Operations 87 FTE
STATE-SIZE Grady Excavating, Inc. 87 FTE
STATE-SIZE Hermanson - Fab Shop 87 FTE
CITY-NEAR Tacoma General Hospital (Companied 10 & 20) 3,718 FTE
CITY-NEAR City of Tacoma 3,689 FTE
CITY-NEAR Tacoma General Hospital 3,247 FTE
CITY-NEAR 2643-46080001-460801 3,061 FTE
NAT-TCR Straightline Sheet Metal LLC 4.9 TCR
NAT-TCR Seaboard Marine, LTD, Inc 4.9 TCR
NAT-TCR Appathon LLC 4.9 TCR
NAT-TCR Amazon Retail LLC - MAB1 4.9 TCR
NAT-SIZE AMZL-NA : Henning Logistics Inc. 87 FTE
NAT-SIZE J&S Logistics LLC 87 FTE
NAT-SIZE 376 E Main St 87 FTE
NAT-SIZE U.S. Cargo Systems 87 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, 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.