Boiler chipping, cleaning and scaling · Illinois

O'Sullivan Plumbing, Inc.

Mokena, IL · ~49 workers · 3 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
3.4
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

O'Sullivan Plumbing, Inc. runs at 122% of its industry's injury rate - more dangerous than the typical Boiler chipping, cleaning and scaling workplace, earning a grade D.

O'Sullivan Plumbing, Inc.: 3.4 TCR = 122% of Boiler chipping, cleaning and scaling BLS 2.8 · 3y Form 300A (see methodology below)

O'Sullivan Plumbing, Inc. safety composite

O'Sullivan Plumbing, Inc. scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 49%), 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).

C

60/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.41 per 100 workers

Safer than 49% 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

−1.8

2020→2022

O'Sullivan Plumbing, Inc. injury rate improved

O'Sullivan Plumbing, Inc.'s TCR fell 1.8 from 1.8 in 2020 to 0.0 in 2022. Peak filing year was 2021 at 8.5 TCR. In 2022, DART was 0× this establishment's average TCR (severity share of cases).

2020=1.8 · 2021=8.5 · 2022=0.0

OSHA ITA Form 300A scorecard

Establishment book 238220 · Mokena, IL ABOVE-IND · SMALL

Grade D · TCR 3.4 · 122% of ind

  • DART 0.0 DART
  • RANK #159/230
  • PHOTO Bay Sheet Metal, Inc
  • BOOK 3y book
  • INJ 6 inj
  • SIZE ~49 FTE

Nearest TCR peer: Bay Sheet Metal, Inc (0.0 TCR gap)

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

O'Sullivan Plumbing, Inc. in the TCR neighbourhood

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

TCR

What this shows O'Sullivan Plumbing, Inc. averages 3.4 TCR (122% of the Boiler chipping, cleaning and scaling BLS benchmark).

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

O'Sullivan Plumbing, Inc. TCR series: 2020=1.8 · 2021=8.5 · 2022=0 · BLS 2.8

Where O'Sullivan Plumbing, Inc. falls in its industry

5,793 Boiler chipping, cleaning and establishments

Safer than 49% 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 #159 safest of 230 Boiler chipping, cleaning and employers in Illinois.

O'Sullivan Plumbing, Inc. (49 employees, TCR 3.4) 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 O'Sullivan Plumbing, Inc.
O'Sullivan Plumbing, Inc. (49 employees, TCR 3.4) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

O'Sullivan Plumbing, Inc. has fewer employees than the Boiler chipping, cleaning and scaling 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
2022 0.0 0.0 0 0 0
2021 8.5 1.7 5 0 0
2020 1.8 1.8 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · IL · Mokena

5,793 Boiler chipping, cleaning and scaling employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 47 employers in Mokena, 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 Bay Sheet Metal, Inc 3.4 TCR
NAICS-TCR RRSC Middlesex 3.4 TCR
NAICS-TCR HVAC Contractor 3.4 TCR
NAICS-TCR Hoffman Mechanical Solutions, Inc - Raleigh 3.4 TCR
STATE-SIZE Boller Construction Co., Inc. 49 FTE
STATE-SIZE Performance Pipelining INC 49 FTE
STATE-SIZE WM. Aupperle & Sons, Inc. 49 FTE
STATE-SIZE RI Glass Group 49 FTE
CITY-NEAR Meijer273 265 FTE
CITY-NEAR Presence Life Connections 250 FTE
CITY-NEAR 273 - Mokena 249 FTE
CITY-NEAR Provisur Technologies Mokena 228 FTE
NAT-TCR TPA-ODFL 3.4 TCR
NAT-TCR 1006 - Wood Village 3.4 TCR
NAT-TCR 1288 - Palm Coast 3.4 TCR
NAT-TCR HPN Enterprise Rent-A-Car 3.4 TCR
NAT-SIZE Titus Electrical Contracting, LP/TIECO, Inc. 49 FTE
NAT-SIZE States Manufacturing Corporation 49 FTE
NAT-SIZE Seafood City Supermarket - Union City 49 FTE
NAT-SIZE Tops #576 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: 2022, 2021, 2020. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.