Utility line (i.e., sewer, water), construction · Arizona

Arizona Underground, Inc.

Tucson, AZ · ~44 workers · 9 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
3.6
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Arizona Underground, Inc. runs at 130% of its industry's injury rate - more dangerous than the typical Utility line (i.e., sewer, water), construction workplace, earning a grade D.

Arizona Underground, Inc.: 3.6 TCR = 130% of Utility line (i.e., sewer, water), construction BLS 2.8 · 9y Form 300A (see methodology below)

Arizona Underground, Inc. safety composite

Arizona Underground, Inc. scores strongest on dart rate (safer than 79% of same-industry peers) and weakest on total case rate (tcr) (safer than 41%), 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

57/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.65 per 100 workers

Safer than 41% of industry peers

DART rate
B 0 per 100 workers

Safer than 79% of industry peers

Fatalities
D 0

Safer than 52% 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

−7.9

2016→2024

Arizona Underground, Inc. injury rate improved

Arizona Underground, Inc.'s TCR fell 7.9 from 7.9 in 2016 to 0.0 in 2024. Peak filing year was 2016 at 7.9 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2016=7.9 · 2017=7.4 · 2018=4.6 · 2019=4.7 · 2020=0.0 · 2021=2.1 · 2022=4.3 · 2023=1.9 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 237110 · Tucson, AZ ABOVE-IND · SMALL

Grade D · TCR 3.6 · 130% of ind

  • DART 0.0 DART
  • RANK #29/36
  • PHOTO WI
  • BOOK 9y book
  • INJ 14 inj
  • SIZE ~44 FTE

Nearest TCR peer: WI (0.0 TCR gap)

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

Arizona Underground, Inc. in the TCR neighbourhood

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

TCR

What this shows Arizona Underground, Inc. averages 3.6 TCR (130% of the Utility line (i.e., sewer, water), construction BLS benchmark).

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

Arizona Underground, Inc. TCR series: 2016=7.9 · 2017=7.4 · 2018=4.6 · 2019=4.7 · 2020=0 · 2021=2.1 · 2022=4.3 · 2023=1.9 · 2024=0 · BLS 2.8

Where Arizona Underground, Inc. falls in its industry

1,614 Utility line (i.e., sewer, wat establishments

Safer than 41% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #29 safest of 36 Utility line (i.e., sewer, wat employers in Arizona.

Arizona Underground, Inc. (44 employees, TCR 3.6) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0 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 051015 Average employees Total Case Rate Arizona Underground, Inc.
Arizona Underground, Inc. (44 employees, TCR 3.6) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0

Arizona Underground, Inc. has fewer employees than the Utility line (i.e., sewer, water), const median and a higher injury rate than the industry's median TCR of 3.0. 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
2023 1.9 1.9 1 0 0
2022 4.3 4.3 2 0 0
2021 2.1 2.1 1 0 0
2020 0.0 0.0 0 0 0
2019 4.7 0.0 2 0 0
2018 4.6 0.0 2 0 0
2017 7.4 2.5 3 0 0
2016 7.9 5.3 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237110 · AZ · Tucson

1,614 Utility line (i.e., sewer, water), construction 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 WI 3.6 TCR
NAICS-TCR Vallencourt Construction 3.6 TCR
NAICS-TCR Kapp Construction & Development Co., Inc. 3.6 TCR
NAICS-TCR TLC Diversified Inc 3.7 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 Injection Molding Solutions 3.6 TCR
NAT-TCR Plum Creek Market Place 3.6 TCR
NAT-TCR Libra Electric Co 3.6 TCR
NAT-TCR National Metal Stampings Inc. 3.6 TCR
NAT-SIZE Bluco 44 FTE
NAT-SIZE Arita Poulson General Contracting 44 FTE
NAT-SIZE W&W|AFCO Steel Montgomery 44 FTE
NAT-SIZE Anchor Lumber Company 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: 2024, 2023, 2022, 2021, 2020, 2019, 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.