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

Westside Mechanical Group Design/Build, LLC.

Naperville, IL · ~125 workers · 8 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.5
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Westside Mechanical Group Design/Build, LLC. runs at 17% of its industry's injury rate - far safer than the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade A.

Westside Mechanical Group Design/Build, LLC.: 0.5 TCR = 17% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 8y Form 300A (see methodology below)

Westside Mechanical Group Design/Build, LLC. safety composite

Westside Mechanical Group Design/Build, LLC. scores strongest on total case rate (tcr) (safer than 97% 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

80/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.47 per 100 workers

Safer than 97% 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

Westside Mechanical Group Design/Build, LLC.: 0.0 → 0.9 TCR

Peak year 2019 @ 2.0 TCR · DART/TCR 0× in 2023

Westside Mechanical Group Design/Build, LLC.'s TCR rose 0.9 from 0.0 in 2016 to 0.9 in 2023. Peak filing year was 2019 at 2.0 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Naperville, IL AT/BELOW-IND · MID

Grade A · TCR 0.5 · 17% of ind

  • DART 0.0 DART
  • RANK #16/230
  • PHOTO DRABEK & HILL, INC.
  • BOOK 8y book
  • INJ 5 inj
  • SIZE ~125 FTE

Nearest TCR peer: DRABEK & HILL, INC. (0.0 TCR gap)

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

Westside Mechanical Group Design/Build, LLC. in the TCR neighbourhood

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

TCR

What this shows Westside Mechanical Group Design/Build, LLC. averages 0.5 TCR (17% 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

Westside Mechanical Group Design/Build, LLC. TCR series: 2016=0 · 2017=0.9 · 2018=0 · 2019=2 · 2020=0 · 2021=0 · 2022=0 · 2023=0.9 · BLS 2.8

Where Westside Mechanical Group Design/Build, LLC. falls in its industry

5,793 Heating, ventilation and air-c establishments

Safer than 97% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #16 safest of 230 Heating, ventilation and air-c employers in Illinois.

Westside Mechanical Group Design/Build, LLC. (125 employees, TCR 0.5) 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 Westside Mechanical Group Design/Build, LLC.
Westside Mechanical Group Design/Build, LLC. (125 employees, TCR 0.5) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Westside Mechanical Group Design/Build, LLC. has more 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
2023 0.9 0.0 1 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 2.0 1.3 3 0 0
2018 0.0 0.0 0 0 0
2017 0.9 0.9 1 0 0
2016 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · IL · Naperville

5,793 Heating, ventilation and air-conditioning (HVAC) contractors employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 241 employers in Naperville, IL · 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 DRABEK & HILL, INC. 0.5 TCR
NAICS-TCR Carrier Commercial Services (Charlotte) 0.5 TCR
NAICS-TCR Automated Logic Controls (Southwest) 0.5 TCR
NAICS-TCR Northwest Controls Systems, Inc 0.5 TCR
STATE-SIZE Joppa Power Station 125 FTE
STATE-SIZE Dunnet Bay Main 125 FTE
STATE-SIZE J3 Construction Inc. 125 FTE
STATE-SIZE Davis-Houk Mechanical, Inc. 125 FTE
CITY-NEAR Indian Prairie School District 3,568 FTE
CITY-NEAR Naperville Ill 1,349 FTE
CITY-NEAR Naperville Research Center 862 FTE
CITY-NEAR 2884 Cor3010 855 FTE
NAT-TCR Pregis Films - Anderson 0.5 TCR
NAT-TCR Martin Painting & Coating Co. 0.5 TCR
NAT-TCR Market Basket #87 0.5 TCR
NAT-TCR Healthstar - Inver Grove Heights--( &TCS) 0.5 TCR
NAT-SIZE North Utica #044 125 FTE
NAT-SIZE BAE Warehouse 125 FTE
NAT-SIZE WPAX 1953 (Alburtis - F) 125 FTE
NAT-SIZE SKF USA Inc. - Muskegon 125 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: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.