Construction elevator (i.e., temporary use during construction) erection and dismantling · Arizona

Cornerstone Chandler AZ

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

Chandler, AZ · ~18 workers · 7 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

B
Good Safety Record: 1.5
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Cornerstone Chandler AZ runs at 53% of its industry's injury rate - safer than the typical Construction elevator (i.e., temporary use during construction) erection and dismantling workplace, earning a grade B.

Cornerstone Chandler AZ: 1.5 TCR = 53% of Construction elevator (i.e., temporary use during construction) erection and dismantling BLS 2.8 · 7y Form 300A (see methodology below)

Cornerstone Chandler AZ safety composite

Cornerstone Chandler AZ scores strongest on dart rate (safer than 73% 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).

62/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 1.49 per 100 workers

Safer than 59% of industry peers
DART rate: C 0 per 100 workers

Safer than 73% 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%).

Cornerstone Chandler AZ held a steady TCR band

Cornerstone Chandler AZ's TCR held near 0.0 from 0.0 in 2018 to 0.0 in 2024. Peak filing year was 2020 at 5.6 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2018=0.0 · 2019=0.0 · 2020=5.6 · 2021=0.0 · 2022=4.8 · 2023=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 238990 · Chandler, AZ AT/BELOW-IND · SMALL

Grade B · TCR 1.5 · 53% of ind

DART 0.0 DART
RANK #13/43
PHOTO Precise Paving Inc.
BOOK 7y book
INJ 2 inj
SIZE ~18 FTE

Nearest TCR peer: Precise Paving Inc. (0.0 TCR gap)

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

This site

1.5
Precise Paving

1.5
Ruston Paving

1.5
Scaffold Resou

1.5
Lacy Construct

1.5

What this shows Cornerstone Chandler AZ averages 1.5 TCR (53% of the Construction elevator (i.e., temporary use during construction) erection and dismantling BLS benchmark).

Cornerstone Chandler AZ TCR series: 2018=0 · 2019=0 · 2020=5.6 · 2021=0 · 2022=4.8 · 2023=0 · 2024=0 · BLS 2.8

Where Cornerstone Chandler AZ falls in its industry

1,634 Construction elevator (i.e., t establishments

Safer than 59% of graded establishments in this industry, whose median TCR is 1.9.

Grade B

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #13 safest of 43 Construction elevator (i.e., t employers in Arizona.

Cornerstone Chandler AZ (18 employees, TCR 1.5) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 1.9

Cornerstone Chandler AZ has fewer employees than the Construction elevator (i.e., temporary u median and a lower injury rate than the industry's median TCR of 1.9. 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
2024	0.0	0.0	0
2023	0.0	0.0	0
2022	4.8	0.0	1
2021	0.0	0.0	0
2020	5.6	5.6	1
2019	0.0	0.0	0
2018	0.0	0.0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238990 · AZ · Chandler

1,634 Construction elevator (i.e., temporary use during construction) erection and dismantling employers nationwide with a credible TCR · 9,594 rated employers in Arizona with headcount on file · 462 employers in Chandler, AZ · 4 cross-state NAT-TCR peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	Precise Paving Inc.	BRIMFIELD, MA	1.5 TCR
NAICS-TCR	Ruston Paving Co., Inc - Manassas, VA	MANASSAS, VA	1.5 TCR
NAICS-TCR	Scaffold Resource LLC	LANHAM, MD	1.5 TCR
NAICS-TCR	Lacy Construction Group, Inc. dba The New Group	INDIANAPOLIS, IN	1.5 TCR
STATE-SIZE	Arid Zone Trees	MESA	18 FTE
STATE-SIZE	Robert Boyle Farms, LLC - RBFL339	COOLIDGE	18 FTE
STATE-SIZE	OLAM Cotton Sunshine Gin	ELOY	18 FTE
STATE-SIZE	YUCO GIN INC II	YUMA	18 FTE
CITY-NEAR	Chandler Campus	Chandler	6,163 FTE
CITY-NEAR	Ocotillo Campus	Chandler	5,428 FTE
CITY-NEAR	6403-64030510	Chandler	3,265 FTE
CITY-NEAR	2643-64030510-510001	Chandler	2,446 FTE
NAT-TCR	Evans Hydro	Rancho Dominguez, CA	1.5 TCR
NAT-TCR	Wheelabrator Group, Inc.	Lagrange, GA	1.5 TCR
NAT-TCR	CFR Engines Inc.	Pewaukee, WI	1.5 TCR
NAT-TCR	Mueller Water Products	Decatur, IL	1.5 TCR

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, 2021, 2020, 2019, 2018. 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.