Plumbing and heating contractors · Illinois

USA IL Oak Brook

Oak Brook, IL · ~123 workers · 2 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

USA IL Oak Brook runs at 27% of its industry's injury rate - far safer than the typical Plumbing and heating contractors workplace, earning a grade A.

USA IL Oak Brook: 0.8 TCR = 27% of Plumbing and heating contractors BLS 2.8 · 2y Form 300A (see methodology below)

USA IL Oak Brook safety composite

USA IL Oak Brook scores strongest on total case rate (tcr) (safer than 92% 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

78/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.76 per 100 workers

Safer than 92% 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%).

TCR Δ

−1.5

2022→2023

USA IL Oak Brook injury rate improved

USA IL Oak Brook's TCR fell 1.5 from 1.5 in 2022 to 0.0 in 2023. Peak filing year was 2022 at 1.5 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2022=1.5 · 2023=0.0

OSHA ITA Form 300A scorecard

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

Grade A · TCR 0.8 · 27% of ind

  • DART 0.0 DART
  • RANK #33/230
  • PHOTO RDH Mechanical Contr…
  • BOOK 2y book
  • INJ 2 inj
  • SIZE ~123 FTE

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

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

USA IL Oak Brook in the TCR neighbourhood

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

TCR

What this shows USA IL Oak Brook averages 0.8 TCR (27% of the Plumbing and heating contractors BLS benchmark).

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

USA IL Oak Brook TCR series: 2022=1.5 · 2023=0 · BLS 2.8

Where USA IL Oak Brook falls in its industry

5,793 Plumbing and heating contracto establishments

Safer than 92% 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 #33 safest of 230 Plumbing and heating contracto employers in Illinois.

USA IL Oak Brook (123 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 USA IL Oak Brook
USA IL Oak Brook (123 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

USA IL Oak Brook has more employees than the Plumbing and heating contractors 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 0.0 0.0 0 0 0
2022 1.5 0.8 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · IL · Oak Brook

5,793 Plumbing and heating contractors employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 71 employers in Oak Brook, 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 RDH Mechanical Contractors, Inc. 0.8 TCR
NAICS-TCR Control Air Enterprises LLC 0.8 TCR
NAICS-TCR Ryan Fireprotection, Inc. - Valparaiso 0.8 TCR
NAICS-TCR Independent Mechanical Industries, Inc. 0.8 TCR
STATE-SIZE City of Oak Forest - Public Works 123 FTE
STATE-SIZE D.R. Horton, Inc. - Midwest (Chicago) 123 FTE
STATE-SIZE Reyes Group Ltd 123 FTE
STATE-SIZE Iroquois Paving Corporation 123 FTE
CITY-NEAR Advocate Health Care - Shared Revenue Cycle Organization 1,437 FTE
CITY-NEAR Great Lakes Dredge & Dock Company LLC 1,070 FTE
CITY-NEAR Ace Hardware Corporate Offices 1,017 FTE
CITY-NEAR 10845 955 FTE
NAT-TCR NC011 0.8 TCR
NAT-TCR NA Svc ERS 0.8 TCR
NAT-TCR DMG America Office 0.8 TCR
NAT-TCR Kerco, Inc 0.8 TCR
NAT-SIZE Mary Queen & Mother Association 123 FTE
NAT-SIZE Kuehne + Nagel Inc. (TPE-6612) 123 FTE
NAT-SIZE Kansas City Acute 123 FTE
NAT-SIZE KODA Louisville Office 123 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. 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.