Hotels (except casino hotels) · Illinois

Chicago Marriott Oak Brook

Oak Brook, IL · ~139 workers · 3 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.9
Avg TCR
3.0
Industry avg
0
Fatalities
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The verdict

Chicago Marriott Oak Brook runs at 197% of its industry's injury rate - more dangerous than the typical Hotels (except casino hotels) workplace, earning a grade D.

Chicago Marriott Oak Brook: 5.9 TCR = 197% of Hotels (except casino hotels) BLS 3.0 · 3y Form 300A (see methodology below)

Chicago Marriott Oak Brook safety composite

Chicago Marriott Oak Brook scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 14%), 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

33/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 5.9 per 100 workers

Safer than 38% of industry peers

DART rate
F 6.62 per 100 workers

Safer than 14% of industry peers

Fatalities
D 0

Safer than 50% 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

Chicago Marriott Oak Brook: 5.4 → 6.6 TCR

Peak year 2018 @ 6.6 TCR · DART/TCR 1.12× in 2018

Chicago Marriott Oak Brook's TCR rose 1.3 from 5.4 in 2016 to 6.6 in 2018. In 2018, DART was 1.12× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 721110 · Oak Brook, IL ABOVE-IND · MID

Grade D · TCR 5.9 · 197% of ind

  • DART 6.6 DART
  • RANK #226/345
  • PHOTO Hampton Inn Seattle …
  • BOOK 3y book
  • INJ 19 inj
  • SIZE ~139 FTE

Nearest TCR peer: Hampton Inn Seattle Southcenter (0.0 TCR gap)

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

Chicago Marriott Oak Brook in the TCR neighbourhood

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

TCR

What this shows Chicago Marriott Oak Brook averages 5.9 TCR (197% of the Hotels (except casino hotels) BLS benchmark).

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

Chicago Marriott Oak Brook TCR series: 2016=5.4 · 2017=5.7 · 2018=6.6 · BLS 3.0

Where Chicago Marriott Oak Brook falls in its industry

9,342 Hotels (except casino hotels) establishments

Safer than 38% of graded establishments in this industry, whose median TCR is 4.8.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #226 safest of 345 Hotels (except casino hotels) employers in Illinois.

Chicago Marriott Oak Brook (139 employees, TCR 5.9) among 29 same-industry peers, split at the industry median of 48 employees and a TCR of 4.8 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 0100200300 05101520 Average employees Total Case Rate Chicago Marriott Oak Brook
Chicago Marriott Oak Brook (139 employees, TCR 5.9) among 29 same-industry peers, split at the industry median of 48 employees and a TCR of 4.8

Chicago Marriott Oak Brook has more employees than the Hotels (except casino hotels) median and a higher injury rate than the industry's median TCR of 4.8. 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
2018 6.6 6.6 7 0 0
2017 5.7 3.8 6 0 0
2016 5.4 5.4 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

721110 · IL · Oak Brook

9,342 Hotels (except casino hotels) 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 Hampton Inn Seattle Southcenter 5.9 TCR
NAICS-TCR Greensboro High Point Marriott Airport 5.9 TCR
NAICS-TCR Holiday Inn Express & Suites 7845 5.9 TCR
NAICS-TCR Omni Grove Park Inn 5.9 TCR
STATE-SIZE Farmer City, IL 139 FTE
STATE-SIZE RWE Renewables Services LLC-Wind Chicago 139 FTE
STATE-SIZE Advocate construction Inc 139 FTE
STATE-SIZE Althoff Industries, Inc. 139 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 12- Plainfield Terminal 5.9 TCR
NAT-TCR First Student, Inc. Location #20988 Phoenix 5.9 TCR
NAT-TCR Mayfield - Braselton 5.9 TCR
NAT-TCR ARK Las Vegas Restaurant Corp. 5.9 TCR
NAT-SIZE Lake Park Nursing and Rehabiitation 139 FTE
NAT-SIZE OCY - Taunton 139 FTE
NAT-SIZE Associate Milk Producers Inc (Jim Falls) 139 FTE
NAT-SIZE Open Systems Healthcare - NE Philly 139 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: 2018, 2017, 2016. 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.