Heating, ventilation and air-conditioning (HVAC) contractors · Illinois
Oak Brook Mechanical Services, Inc.
Elmhurst, IL · ~52 workers · 5 years of OSHA Injury Tracking Application data.
- F
- Failing Safety Record
- 11.9
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
Oak Brook Mechanical Services, Inc. runs at 426% of its industry's injury rate - far more dangerous than the typical Heating, ventilation and air-conditioning (HVAC) contractors workplace, earning a grade F.
Oak Brook Mechanical Services, Inc.: 11.9 TCR = 426% of Heating, ventilation and air-conditioning (HVAC) contractors BLS 2.8 · 5y Form 300A (see methodology below)
Oak Brook Mechanical Services, Inc. safety composite
Oak Brook Mechanical Services, Inc. scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 6%), 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).
18/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- F 11.93 per 100 workers
Safer than 6% of industry peers
- DART rate
- F 7.84 per 100 workers
Safer than 8% 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
Oak Brook Mechanical Services, Inc.: 18.0 → 161.8 TCR
Peak year 2024 @ 161.8 TCR · DART/TCR 6.78× in 2024
Oak Brook Mechanical Services, Inc.'s TCR rose 143.8 from 18.0 in 2016 to 161.8 in 2024. In 2024, DART was 6.78× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 238220 · Elmhurst, IL ABOVE-IND · SMALL
Grade F · TCR 11.9 · 426% of ind
- DART 80.9 DART
- RANK #225/230
- PHOTO Hanson's Plumbing an…
- BOOK 5y book
- INJ 26 inj
- SIZE ~52 FTE
Nearest TCR peer: Hanson's Plumbing and Heating (0.0 TCR gap)
Read with this employer → · Industry book → · Illinois employers → · Look up another →
Oak Brook Mechanical Services, Inc. in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- Modern Mechani
Modern Mechanical Contractors, LLC
12 TCR
- Four Seasons A
Four Seasons Air Conditioning Inc
12 TCR
- This site
Oak Brook Mechanical Services, Inc.
11.9 TCR
- Hanson's Plumb
Hanson's Plumbing and Heating
11.9 TCR
- Main
Main
11.9 TCR
What this shows Oak Brook Mechanical Services, Inc. averages 11.9 TCR (426% of the Heating, ventilation and air-conditioning (HVAC) contractors BLS benchmark).
Oak Brook Mechanical Services, Inc. TCR series: 2016=18 · 2017=8.2 · 2018=9.8 · 2019=11.8 · 2024=161.8 · BLS 2.8
Where Oak Brook Mechanical Services, Inc. falls in its industry
5,793 Heating, ventilation and air-c establishmentsSafer than 6% of graded establishments in this industry, whose median TCR is 3.3.
Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #225 safest of 230 Heating, ventilation and air-c employers in Illinois.
Oak Brook Mechanical Services, Inc. has fewer 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 | 161.8 | 80.9 | 2 | 0 | 0 |
| 2019 | 11.8 | 7.8 | 6 | 0 | 0 |
| 2018 | 9.8 | 2.4 | 4 | 0 | 0 |
| 2017 | 8.2 | 0.0 | 4 | 0 | 0 |
| 2016 | 18.0 | 1.8 | 10 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
238220 · IL · Elmhurst
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 · 127 employers in Elmhurst, 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 | Hanson's Plumbing and Heating | 11.9 TCR |
| NAICS-TCR | Main | 11.9 TCR |
| NAICS-TCR | Modern Mechanical Contractors, LLC | 12.0 TCR |
| NAICS-TCR | Four Seasons Air Conditioning Inc | 12.0 TCR |
| STATE-SIZE | Curative Health Cultivation LLC | 52 FTE |
| STATE-SIZE | 2502-Ashton, IL (Monsanto Co.) | 52 FTE |
| STATE-SIZE | Sauget | 52 FTE |
| STATE-SIZE | 1240-Monmouth, IL (Monsanto Co.) | 52 FTE |
| CITY-NEAR | Elmhurst Memorial Hospital | 2,864 FTE |
| CITY-NEAR | Superior Air-Ground Ambulance Services Inc. | 2,331 FTE |
| CITY-NEAR | Elmhurst , IL - 01 | 1,612 FTE |
| CITY-NEAR | Elmhurst Community Unit School 205 | 1,252 FTE |
| NAT-TCR | Berea Lake Towers LLC | 11.9 TCR |
| NAT-TCR | Blair Ridge Health Campus | 11.9 TCR |
| NAT-TCR | The Meth-Wick Community | 11.9 TCR |
| NAT-TCR | Aegis of Las Vegas | 11.9 TCR |
| NAT-SIZE | Gordonsville High School | 52 FTE |
| NAT-SIZE | Rfc Pa | 52 FTE |
| NAT-SIZE | Carlstadt | 52 FTE |
| NAT-SIZE | Brookdale St. Augustine | 52 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.