Addition, alteration and renovation for-sale builders, commercial and institutional building · Arizona

Diversified Design & Construction, Inc.

Tucson, AZ · ~44 workers · 7 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.1
Avg TCR
2.9
Industry avg
0
Fatalities
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The verdict

Diversified Design & Construction, Inc. runs at 143% of its industry's injury rate - more dangerous than the typical Addition, alteration and renovation for-sale builders, commercial and institutional building workplace, earning a grade D.

Diversified Design & Construction, Inc.: 4.1 TCR = 143% of Addition, alteration and renovation for-sale builders, commercial and institutional building BLS 2.9 · 7y Form 300A (see methodology below)

Diversified Design & Construction, Inc. safety composite

Diversified Design & Construction, Inc. scores strongest on dart rate (safer than 73% of same-industry peers) and weakest on total case rate (tcr) (safer than 28%), 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).

D

50/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 4.14 per 100 workers

Safer than 28% 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%).

TCR Δ

−6.3

2016→2023

Diversified Design & Construction, Inc. injury rate improved

Diversified Design & Construction, Inc.'s TCR fell 6.3 from 6.3 in 2016 to 0.0 in 2023. Peak filing year was 2017 at 7.8 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2016=6.3 · 2017=7.8 · 2018=2.2 · 2020=7.3 · 2021=2.9 · 2022=2.6 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 236220 · Tucson, AZ ABOVE-IND · SMALL

Grade D · TCR 4.1 · 143% of ind

  • DART 0.0 DART
  • RANK #82/106
  • PHOTO Knutson Construction…
  • BOOK 7y book
  • INJ 14 inj
  • SIZE ~44 FTE

Nearest TCR peer: Knutson Construction Midwest (0.0 TCR gap)

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

Diversified Design & Construction, Inc. in the TCR neighbourhood

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

TCR

What this shows Diversified Design & Construction, Inc. averages 4.1 TCR (143% of the Addition, alteration and renovation for-sale builders, commercial and institutional building BLS benchmark).

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

Diversified Design & Construction, Inc. TCR series: 2016=6.3 · 2017=7.8 · 2018=2.2 · 2020=7.3 · 2021=2.9 · 2022=2.6 · 2023=0 · BLS 2.9

Where Diversified Design & Construction, Inc. falls in its industry

4,692 Addition, alteration and renov establishments

Safer than 28% of graded establishments in this industry, whose median TCR is 2.3.

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #82 safest of 106 Addition, alteration and renov employers in Arizona.

Diversified Design & Construction, Inc. (44 employees, TCR 4.1) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3 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 0100200300400500 02468 Average employees Total Case Rate Diversified Design & Construction, Inc.
Diversified Design & Construction, Inc. (44 employees, TCR 4.1) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 2.3

Diversified Design & Construction, Inc. has fewer employees than the Addition, alteration and renovation for- median and a higher injury rate than the industry's median TCR of 2.3. 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
2022 2.6 2.6 1 0 0
2021 2.9 2.9 1 0 0
2020 7.3 1.8 4 0 0
2018 2.2 2.2 1 0 0
2017 7.8 5.9 4 0 0
2016 6.3 6.3 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

236220 · AZ · Tucson

4,692 Addition, alteration and renovation for-sale builders, commercial and institutional building employers nationwide with a credible TCR · 9,594 rated employers in Arizona with headcount on file · 1,150 employers in Tucson, 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 Knutson Construction Midwest 4.1 TCR
NAICS-TCR CS NORCAL INC 4.1 TCR
NAICS-TCR Nielsen Builders, Inc 4.1 TCR
NAICS-TCR Network Construction Co, Inc. 4.1 TCR
STATE-SIZE Coronation Peak Ranches, Inc. 44 FTE
STATE-SIZE AZ Alamo Ag Solutions, LLC 44 FTE
STATE-SIZE Sierra Vista Construction Office 44 FTE
STATE-SIZE Willcox Main Office 44 FTE
CITY-NEAR University of Arizona 18,951 FTE
CITY-NEAR Raytheon_Tucson_AZ_Airport Site 9,878 FTE
CITY-NEAR Tucson Medical Center 4,407 FTE
CITY-NEAR U.S. Border Patrol Sector - Tucson 3,989 FTE
NAT-TCR Arlington Court Suites Hotel 4.1 TCR
NAT-TCR Florin Farms Hatchery, Inc. 4.1 TCR
NAT-TCR Prospect Center 4.1 TCR
NAT-TCR 3h Farms, Inc 4.1 TCR
NAT-SIZE Terra Nova Industries 44 FTE
NAT-SIZE Hyatt House Chicago IL 44 FTE
NAT-SIZE Harold White Lumber, Inc. 44 FTE
NAT-SIZE Pinto Construction Group, Inc. 44 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, 2022, 2021, 2020, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.