Mental health facilities, residential · Illinois

Cornerstone Services Inc

Name: Cornerstone Services Inc Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Joliet, IL · ~519 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

D
Poor Safety Record: 6.4
Avg TCR: 3.8
Industry avg: 0
Fatalities

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The verdict

Cornerstone Services Inc runs at 169% of its industry's injury rate - more dangerous than the typical Mental health facilities, residential workplace, earning a grade D.

Cornerstone Services Inc: 6.4 TCR = 169% of Mental health facilities, residential BLS 3.8 · 2y Form 300A (see methodology below)

Cornerstone Services Inc safety composite

Cornerstone Services Inc scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 36%), 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).

40/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 6.43 per 100 workers

Safer than 37% of industry peers
DART rate: D 3.21 per 100 workers

Safer than 36% 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

−6.4

2019→2022

Cornerstone Services Inc injury rate improved

Cornerstone Services Inc's TCR fell 6.4 from 9.7 in 2019 to 3.2 in 2022. Peak filing year was 2019 at 9.7 TCR. In 2022, DART was 0.5× this establishment's average TCR (severity share of cases).

2019=9.7 · 2022=3.2

OSHA ITA Form 300A scorecard

Establishment book 623220 · Joliet, IL ABOVE-IND · MID

Grade D · TCR 6.4 · 169% of ind

DART 3.2 DART
RANK #26/45
PHOTO Cornerstone
BOOK 2y book
INJ 77 inj
SIZE ~519 FTE

Nearest TCR peer: Cornerstone (0.0 TCR gap)

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

Joshua House L

6.5
1214

6.5
This site

6.4
Cornerstone

6.4
Springfield -

6.4

What this shows Cornerstone Services Inc averages 6.4 TCR (169% of the Mental health facilities, residential BLS benchmark).

Cornerstone Services Inc TCR series: 2019=9.7 · 2022=3.2 · BLS 3.8

Where Cornerstone Services Inc falls in its industry

1,165 Mental health facilities, resi establishments

Safer than 37% of graded establishments in this industry, whose median TCR is 4.7.

Grade D

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #26 safest of 45 Mental health facilities, resi employers in Illinois.

Cornerstone Services Inc (519 employees, TCR 6.4) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 4.7

Cornerstone Services Inc has more employees than the Mental health facilities, residential median and a higher injury rate than the industry's median TCR of 4.7. 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
2022	3.2	3.2	18	0	0
2019	9.7	0.6	59	1	0

OSHA ITA peer cross-reference

Establishment peer ledger

623220 · IL · Joliet

1,165 Mental health facilities, residential employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 281 employers in Joliet, IL · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	Cornerstone	ROCHESTER, NY	6.4 TCR
NAICS-TCR	Springfield - 471 Chestnut Street	SPRINGFIELD, MA	6.4 TCR
NAICS-TCR	Joshua House LLC	GARDEN GROVE, CA	6.5 TCR
NAICS-TCR	1214	LOUISVILLE, TN	6.5 TCR
STATE-SIZE	Venturi Restoration	SCHAUMBURG	519 FTE
STATE-SIZE	Village of Orland Park	ORLAND PARK	519 FTE
STATE-SIZE	Power Solutions International	WOOD DALE	518 FTE
STATE-SIZE	BorgWarner Transmission Systems LLC	BELLWOOD	518 FTE
CITY-NEAR	County Of Will	Joliet	2,500 FTE
CITY-NEAR	North America Fulfillment Centers (FCs) : MDW2	Joliet	2,361 FTE
CITY-NEAR	Amazon.com Services LLC - MDW2	Joliet	2,101 FTE
CITY-NEAR	Presence Saint Joseph Medical Center, Joliet	Joliet	2,089 FTE
NAT-TCR	5472-NAI-0034-0034-00292	Little Silver, NJ	6.4 TCR
NAT-TCR	Santa Fe Place	Plainview, TX	6.4 TCR
NAT-TCR	501 El Super Fresh	Los Angeles, CA	6.4 TCR
NAT-TCR	Silos Baking Co	Waco, TX	6.4 TCR
NAT-SIZE	FG Idaho Plant - Caldwell	Caldwell, ID	519 FTE
NAT-SIZE	Sutter Health System Office (470-1017)	Mather, CA	519 FTE
NAT-SIZE	Montgomery Bus Division	Rockville, MD	519 FTE
NAT-SIZE	Madonna Rehabilitation Hospital Omaha	Omaha, NE	519 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: 2022, 2019. 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.