Hardening (i.e., heat treating) metals and metal products for the trade · Illinois

Nitrex, Inc. Chicago Operations

Aurora, IL · ~32 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
10.9
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Nitrex, Inc. Chicago Operations runs at 331% of its industry's injury rate - far more dangerous than the typical Hardening (i.e., heat treating) metals and metal products for the trade workplace, earning a grade F.

Nitrex, Inc. Chicago Operations: 10.9 TCR = 331% of Hardening (i.e., heat treating) metals and metal products for the trade BLS 3.3 · 3y Form 300A (see methodology below)

Nitrex, Inc. Chicago Operations safety composite

Nitrex, Inc. Chicago Operations scores strongest on dart rate (safer than 79% 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).

D

43/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 10.93 per 100 workers

Safer than 6% of industry peers

DART rate
B 0 per 100 workers

Safer than 79% 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

−6.3

2022→2024

Nitrex, Inc. Chicago Operations injury rate improved

Nitrex, Inc. Chicago Operations's TCR fell 6.3 from 15.9 in 2022 to 9.6 in 2024. Peak filing year was 2022 at 15.9 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2022=15.9 · 2023=7.3 · 2024=9.6

OSHA ITA Form 300A scorecard

Establishment book 332811 · Aurora, IL ABOVE-IND · SMALL

Grade F · TCR 10.9 · 331% of ind

  • DART 0.0 DART
  • RANK #24/24
  • PHOTO Bodycote Thermal Pro…
  • BOOK 3y book
  • INJ 9 inj
  • SIZE ~32 FTE

Nearest TCR peer: Bodycote Thermal Processing Inc - Eden Prairie (0.2 TCR gap)

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

Nitrex, Inc. Chicago Operations in the TCR neighbourhood

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

TCR

What this shows Nitrex, Inc. Chicago Operations averages 10.9 TCR (331% of the Hardening (i.e., heat treating) metals and metal products for the trade BLS benchmark).

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

Nitrex, Inc. Chicago Operations TCR series: 2022=15.9 · 2023=7.3 · 2024=9.6 · BLS 3.3

Where Nitrex, Inc. Chicago Operations falls in its industry

248 Hardening (i.e., heat treating establishments

Safer than 6% of graded establishments in this industry, whose median TCR is 4.2.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #24 safest of 24 Hardening (i.e., heat treating employers in Illinois.

Nitrex, Inc. Chicago Operations (32 employees, TCR 10.9) among 29 same-industry peers, split at the industry median of 38 employees and a TCR of 4.2 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 05001,0001,5002,000 051015 Average employees Total Case Rate Nitrex, Inc. Chicago Operations
Nitrex, Inc. Chicago Operations (32 employees, TCR 10.9) among 29 same-industry peers, split at the industry median of 38 employees and a TCR of 4.2

Nitrex, Inc. Chicago Operations has fewer employees than the Hardening (i.e., heat treating) metals a median and a higher injury rate than the industry's median TCR of 4.2. 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 9.6 0.0 3 0 0
2023 7.3 7.3 2 0 0
2022 15.9 7.9 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

332811 · IL · Aurora

248 Hardening (i.e., heat treating) metals and metal products for the trade employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 325 employers in Aurora, 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 Bodycote Thermal Processing Inc - Eden Prairie 10.8 TCR
NAICS-TCR MED TEK INC 10.8 TCR
NAICS-TCR J.W. Harris Co., Inc. - Gordonsville 10.7 TCR
NAICS-TCR American Steel Treating 11.2 TCR
STATE-SIZE AMEREN ILLINOIS - Eastern 32 FTE
STATE-SIZE Utility Department 32 FTE
STATE-SIZE AMEREN ILLINOIS - AIC Gas Corrosion 32 FTE
STATE-SIZE NG Ottawa Reporting Center 32 FTE
CITY-NEAR Indian Prairie School District 204 3,309 FTE
CITY-NEAR Factor Aurora 2,167 FTE
CITY-NEAR Rush Copley Medical Center, Inc. 2,163 FTE
CITY-NEAR ANDY FRAIN SERVICES INC 2,100 FTE
NAT-TCR 5727 - Providence 10.9 TCR
NAT-TCR Greco Steel Products, Inc 10.9 TCR
NAT-TCR Wilson Healthcare and Rehabilitation Center 10.9 TCR
NAT-TCR Angry Peacock 10.9 TCR
NAT-SIZE Erie Materials Elmira 32 FTE
NAT-SIZE Landfall Residence Inn 32 FTE
NAT-SIZE York 32 FTE
NAT-SIZE Store 9267 - S State Rd 7 32 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. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.