Architectural block, concrete (e.g., fluted, ground face, screen, slump, split), manufacturing · Arizona

Lone Butte

Chandler, AZ · ~93 workers · 4 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.8
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Lone Butte runs at 23% of its industry's injury rate - far safer than the typical Architectural block, concrete (e.g., fluted, ground face, screen, slump, split), manufacturing workplace, earning a grade A.

Lone Butte: 0.8 TCR = 23% of Architectural block, concrete (e.g., fluted, ground face, screen, slump, split), manufacturing BLS 3.3 · 4y Form 300A (see methodology below)

Lone Butte safety composite

Lone Butte scores strongest on total case rate (tcr) (safer than 95% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

B

78/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.76 per 100 workers

Safer than 95% of industry peers

DART rate
B 0 per 100 workers

Safer than 79% 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%).

TCR Δ

−2.0

2016→2023

Lone Butte injury rate improved

Lone Butte's TCR fell 2.0 from 2.0 in 2016 to 0.0 in 2023. Peak filing year was 2016 at 2.0 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2016=2.0 · 2020=0.0 · 2021=1.0 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 327331 · Chandler, AZ AT/BELOW-IND · SMALL

Grade A · TCR 0.8 · 23% of ind

  • DART 0.0 DART
  • RANK #3/15
  • PHOTO Anchor - Easton
  • BOOK 4y book
  • INJ 3 inj
  • SIZE ~93 FTE

Nearest TCR peer: Anchor - Easton (0.0 TCR gap)

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

Lone Butte in the TCR neighbourhood

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

TCR

What this shows Lone Butte averages 0.8 TCR (23% of the Architectural block, concrete (e.g., fluted, ground face, screen, slump, split), manufacturing BLS benchmark).

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

Lone Butte TCR series: 2016=2 · 2020=0 · 2021=1 · 2023=0 · BLS 3.3

Where Lone Butte falls in its industry

321 Architectural block, concrete establishments

Safer than 95% of graded establishments in this industry, whose median TCR is 4.1.

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #3 safest of 15 Architectural block, concrete employers in Arizona.

Lone Butte (93 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 42 employees and a TCR of 4.1 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 051015 Average employees Total Case Rate Lone Butte
Lone Butte (93 employees, TCR 0.8) among 29 same-industry peers, split at the industry median of 42 employees and a TCR of 4.1

Lone Butte has more employees than the Architectural block, concrete (e.g., flu median and a lower injury rate than the industry's median TCR of 4.1. 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
2023 0.0 0.0 0 0 0
2021 1.0 1.0 1 0 0
2020 0.0 0.0 0 0 0
2016 2.0 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

327331 · AZ · Chandler

321 Architectural block, concrete (e.g., fluted, ground face, screen, slump, split), manufacturing 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 · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Anchor - Easton 0.8 TCR
NAICS-TCR GMS Lawrenceville Distribution 0.8 TCR
NAICS-TCR Oldcastle APG - Bonner Springs 0.8 TCR
NAICS-TCR TEXAS BEST BLOCK - HOUB2 0.8 TCR
STATE-SIZE Robert Nickerson Farms, Inc. 93 FTE
STATE-SIZE 5917019 - Phoenix Sky Harbor International Airport Sky Train Stage 2 93 FTE
STATE-SIZE NA-US-AZ-Phoenix/Deer Valley-W. Williams 93 FTE
STATE-SIZE Curtis-C Roofing 93 FTE
CITY-NEAR Chandler Campus 6,163 FTE
CITY-NEAR Ocotillo Campus 5,428 FTE
CITY-NEAR 6403-64030510 3,265 FTE
CITY-NEAR 2643-64030510-510001 2,446 FTE
NAT-TCR BrandSafway Services, LLC - San Diego Branch 0.8 TCR
NAT-TCR NA Svc ERS 0.8 TCR
NAT-TCR Fcr Camden 0.8 TCR
NAT-TCR Bill Adams Enterprises LLC 0.8 TCR
NAT-SIZE Tecmark Corporation 93 FTE
NAT-SIZE Pacific Plant 93 FTE
NAT-SIZE GSH Home Medical Care, Inc 93 FTE
NAT-SIZE CAPS San Diego 93 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: 2023, 2021, 2020, 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.