238990 All Other Specialty Trade Contractors · Arizona

Premier Underground Construction

Glendale, AZ · ~153 workers · 5 years of OSHA Injury Tracking Application data.

B
Good Safety Record
1.9
Avg TCR
2.8
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Premier Underground Construction runs at 67% of its industry's injury rate - safer than the typical 238990 All Other Specialty Trade Contractors workplace, earning a grade B.

Premier Underground Construction: 1.9 TCR = 67% of 238990 All Other Specialty Trade Contractors BLS 2.8 · 5y Form 300A (see methodology below)

Premier Underground Construction safety composite

Premier Underground Construction scores strongest on total case rate (tcr) (safer than 52% of same-industry peers) and weakest on dart rate (safer than 42%), 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

48/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 1.87 per 100 workers

Safer than 52% of industry peers

DART rate
D 0.64 per 100 workers

Safer than 42% 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%).

Rising injury rate

Premier Underground Construction: 0.0 → 1.3 TCR

Peak year 2019 @ 7.5 TCR · DART/TCR 0.34× in 2024

Premier Underground Construction's TCR rose 1.3 from 0.0 in 2018 to 1.3 in 2024. Peak filing year was 2019 at 7.5 TCR. In 2024, DART was 0.34× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238990 · Glendale, AZ AT/BELOW-IND · MID

Grade B · TCR 1.9 · 67% of ind

  • DART 0.6 DART
  • RANK #17/43
  • PHOTO Associated Scaffoldi…
  • BOOK 5y book
  • INJ 14 inj
  • SIZE ~153 FTE

Nearest TCR peer: Associated Scaffolding Company Incorporated (0.0 TCR gap)

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

Premier Underground Construction in the TCR neighbourhood

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

TCR

What this shows Premier Underground Construction averages 1.9 TCR (67% of the 238990 All Other Specialty Trade Contractors BLS benchmark).

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

Premier Underground Construction TCR series: 2018=0 · 2019=7.5 · 2022=0 · 2023=0.6 · 2024=1.3 · BLS 2.8

Where Premier Underground Construction falls in its industry

1,634 238990 All Other Specialty Tra establishments

Safer than 52% of graded establishments in this industry, whose median TCR is 1.9.

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #17 safest of 43 238990 All Other Specialty Tra employers in Arizona.

Premier Underground Construction (153 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 1.9 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 05001,0001,500 0246810 Average employees Total Case Rate Premier Underground Construction
Premier Underground Construction (153 employees, TCR 1.9) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 1.9

Premier Underground Construction has more employees than the 238990 All Other Specialty Trade Contrac 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 Illnesses Fatalities
2024 1.3 0.6 2 0 0
2023 0.6 0.6 0 1 0
2022 0.0 0.0 0 0 0
2019 7.5 6.7 10 0 0
2018 0.0 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238990 · AZ · Glendale

1,634 238990 All Other Specialty Trade Contractors employers nationwide with a credible TCR · 9,594 rated employers in Arizona with headcount on file · 313 employers in Glendale, 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 Associated Scaffolding Company Incorporated 1.9 TCR
NAICS-TCR Landmark Paving llc 1.9 TCR
NAICS-TCR Econo Fence, Inc. 1.9 TCR
NAICS-TCR General Steel Crane & Rigging LLC 1.9 TCR
STATE-SIZE Lone Cactus Egg Farm 153 FTE
STATE-SIZE Icon Protection Surprise 153 FTE
STATE-SIZE GEORGE BRAZIL AIR CONDITIONING & HEATING 153 FTE
STATE-SIZE UNIVERSAL WALLBOARD CORP. 153 FTE
CITY-NEAR 730 ABRAZO ARROWHEAD CAMPUS 1,429 FTE
CITY-NEAR Glendale Elementary School District 1,201 FTE
CITY-NEAR 4701-730 1,051 FTE
CITY-NEAR Ono-515 910 FTE
NAT-TCR Pressboard Paper Technologies LLC. 1.9 TCR
NAT-TCR Convalescent Center of Grady County, LLC dba Cottonwood Creek Skilled Nursing and Therapy 1.9 TCR
NAT-TCR Fort Belvoir 1.9 TCR
NAT-TCR McKeever Market and Eatery #350 1.9 TCR
NAT-SIZE Fontana-Randall 153 FTE
NAT-SIZE City of Greensboro-Department of Transportation (GDOT) 153 FTE
NAT-SIZE Estates of Barrington 153 FTE
NAT-SIZE Mesa Developmental Services 153 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, 2019, 2018. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.