Corporate offices · Illinois

Chamberlain Group Inc

Oak Brook, IL · ~910 workers · 5 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.1
Avg TCR
0.7
Industry avg
0
Fatalities
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The verdict

Chamberlain Group Inc runs at 14% of its industry's injury rate - far safer than the typical Corporate offices workplace, earning a grade A.

Chamberlain Group Inc: 0.1 TCR = 14% of Corporate offices BLS 0.7 · 5y Form 300A (see methodology below)

Chamberlain Group Inc safety composite

Chamberlain Group Inc scores strongest on total case rate (tcr) (safer than 92% of same-industry peers) and weakest on fatalities (safer than 51%), 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

74/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.1 per 100 workers

Safer than 92% of industry peers

DART rate
C 0 per 100 workers

Safer than 69% 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%).

Chamberlain Group Inc held a steady TCR band

Chamberlain Group Inc's TCR held near 0.2 from 0.2 in 2017 to 0.0 in 2024. Peak filing year was 2019 at 0.3 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2017=0.2 · 2019=0.3 · 2021=0.0 · 2022=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 551114 · Oak Brook, IL AT/BELOW-IND · MID

Grade A · TCR 0.1 · 14% of ind

  • DART 0.0 DART
  • RANK #8/68
  • PHOTO Lakeside Foods Corpo…
  • BOOK 5y book
  • INJ 5 inj
  • SIZE ~910 FTE

Nearest TCR peer: Lakeside Foods Corporate Office (0.0 TCR gap)

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

Chamberlain Group Inc in the TCR neighbourhood

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

TCR

What this shows Chamberlain Group Inc averages 0.1 TCR (14% of the Corporate offices BLS benchmark).

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

Chamberlain Group Inc TCR series: 2017=0.2 · 2019=0.3 · 2021=0 · 2022=0 · 2024=0 · BLS 0.7

Where Chamberlain Group Inc falls in its industry

1,475 Corporate offices establishments

Safer than 92% of graded establishments in this industry, whose median TCR is 0.7.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #8 safest of 68 Corporate offices employers in Illinois.

Chamberlain Group Inc (910 employees, TCR 0.1) among 29 same-industry peers, split at the industry median of 189 employees and a TCR of 0.7 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 01,0002,0003,0004,000 0246810 Average employees Total Case Rate Chamberlain Group Inc
Chamberlain Group Inc (910 employees, TCR 0.1) among 29 same-industry peers, split at the industry median of 189 employees and a TCR of 0.7

Chamberlain Group Inc has more employees than the Corporate offices median and a lower injury rate than the industry's median TCR of 0.7. 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 0.0 0.0 0 0 0
2022 0.0 0.0 0 0 0
2021 0.0 0.0 0 0 0
2019 0.3 0.2 3 0 0
2017 0.2 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

551114 · IL · Oak Brook

1,475 Corporate offices 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 Lakeside Foods Corporate Office 0.1 TCR
NAICS-TCR CANONSBURG 0.1 TCR
NAICS-TCR Novelis Inc. 0.1 TCR
NAICS-TCR Corporate Staff Offices NAHQ 0.1 TCR
STATE-SIZE WM 7024 910 FTE
STATE-SIZE ARLINGTON HEIGHTS SCHOOL DISTRICT 25 911 FTE
STATE-SIZE Gibson Area Hospital 911 FTE
STATE-SIZE Astellas Pharma Global Development 908 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 Corporate Office 0.1 TCR
NAT-TCR General Atomics - Poway - A16 0.1 TCR
NAT-TCR Flint Hills Resources - East Plant 0.1 TCR
NAT-TCR TeleCommunication Systems, Inc 0.1 TCR
NAT-SIZE Hunt Construction Group 910 FTE
NAT-SIZE Raleigh General Hospital 910 FTE
NAT-SIZE Atrium Windows & Door 910 FTE
NAT-SIZE HomeNurse 910 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, 2022, 2021, 2019, 2017. 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.