Mixed Mode Transit Systems · Illinois

4131 Power Maintenance

Chicago, IL · ~72 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
11.4
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

4131 Power Maintenance runs at 254% of its industry's injury rate - far more dangerous than the typical Mixed Mode Transit Systems workplace, earning a grade F.

4131 Power Maintenance: 11.4 TCR = 254% of Mixed Mode Transit Systems BLS 4.5 · 2y Form 300A (see methodology below)

4131 Power Maintenance safety composite

4131 Power Maintenance scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 15%), 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).

F

28/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 11.43 per 100 workers

Safer than 15% of industry peers

DART rate
F 7.01 per 100 workers

Safer than 26% 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

−6.5

2023→2024

4131 Power Maintenance injury rate improved

4131 Power Maintenance's TCR fell 6.5 from 14.7 in 2023 to 8.2 in 2024. Peak filing year was 2023 at 14.7 TCR. In 2024, DART was 0.61× this establishment's average TCR (severity share of cases).

2023=14.7 · 2024=8.2

OSHA ITA Form 300A scorecard

Establishment book 485111 · Chicago, IL ABOVE-IND · SMALL

Grade F · TCR 11.4 · 254% of ind

  • DART 7.0 DART
  • RANK #110/137
  • PHOTO Valley Transit Distr…
  • BOOK 2y book
  • INJ 19 inj
  • SIZE ~72 FTE

Nearest TCR peer: Valley Transit District (0.0 TCR gap)

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

4131 Power Maintenance in the TCR neighbourhood

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

TCR

What this shows 4131 Power Maintenance averages 11.4 TCR (254% of the Mixed Mode Transit Systems BLS benchmark).

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

4131 Power Maintenance TCR series: 2023=14.7 · 2024=8.2 · BLS 4.5

Where 4131 Power Maintenance falls in its industry

421 Mixed Mode Transit Systems establishments

Safer than 15% of graded establishments in this industry, whose median TCR is 5.8.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #110 safest of 137 Mixed Mode Transit Systems employers in Illinois.

4131 Power Maintenance (72 employees, TCR 11.4) among 29 same-industry peers, split at the industry median of 217 employees and a TCR of 5.8 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 05001,0001,500 05101520 Average employees Total Case Rate 4131 Power Maintenance
4131 Power Maintenance (72 employees, TCR 11.4) among 29 same-industry peers, split at the industry median of 217 employees and a TCR of 5.8

4131 Power Maintenance has fewer employees than the Mixed Mode Transit Systems median and a higher injury rate than the industry's median TCR of 5.8. 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 8.2 7.0 7 0 0
2023 14.7 6.1 12 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

485111 · IL · Chicago

421 Mixed Mode Transit Systems employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 2,934 employers in Chicago, 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 Valley Transit District 11.4 TCR
NAICS-TCR Metro Transit Transfer Road 11.5 TCR
NAICS-TCR Division 24 11.5 TCR
NAICS-TCR Bladensburg Facility 11.5 TCR
STATE-SIZE AMEREN ILLINOIS - Hillsboro / Mt. Clare 72 FTE
STATE-SIZE AMEREN ILLINOIS - Persimmon Street 72 FTE
STATE-SIZE Astoria Wire & Metal Products 72 FTE
STATE-SIZE Korte and Luitjohan Contractors, Inc. 72 FTE
CITY-NEAR Chicago Public Schools 49,500 FTE
CITY-NEAR Chicago/Corporate 18,831 FTE
CITY-NEAR University of Illinois at Chicago 13,092 FTE
CITY-NEAR University Health Service UIC UIC Campus 12,732 FTE
NAT-TCR Brookdale Westampton 11.4 TCR
NAT-TCR College Station 11.4 TCR
NAT-TCR Berry Pallets, Inc 11.4 TCR
NAT-TCR Boys and Girls Home and Family Services, Inc. 11.4 TCR
NAT-SIZE AccelRoute LLC 72 FTE
NAT-SIZE MFP Calpella Distribution Center 72 FTE
NAT-SIZE Soup To Nuts INC 72 FTE
NAT-SIZE Brown Nursing Home, LLC 72 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. 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.