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

Williamson Development LLC

Glendale, AZ · ~29 workers · 3 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.3
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Williamson Development LLC runs at 117% of its industry's injury rate - about level with the typical Utility line (i.e., sewer, water), construction workplace, earning a grade C.

Williamson Development LLC: 3.3 TCR = 117% of Utility line (i.e., sewer, water), construction BLS 2.8 · 3y Form 300A (see methodology below)

Williamson Development LLC safety composite

Williamson Development LLC scores strongest on dart rate (safer than 79% of same-industry peers) and weakest on total case rate (tcr) (safer than 46%), 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

59/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 3.27 per 100 workers

Safer than 46% 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

−7.0

2022→2024

Williamson Development LLC injury rate improved

Williamson Development LLC's TCR fell 7.0 from 7.0 in 2022 to 0.0 in 2024. Peak filing year was 2022 at 7.0 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2022=7.0 · 2023=2.8 · 2024=0.0

OSHA ITA Form 300A scorecard

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

Grade C · TCR 3.3 · 117% of ind

  • DART 0.0 DART
  • RANK #27/36
  • PHOTO Site Work Specialists
  • BOOK 3y book
  • INJ 3 inj
  • SIZE ~29 FTE

Nearest TCR peer: Site Work Specialists (0.0 TCR gap)

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

Williamson Development LLC in the TCR neighbourhood

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

TCR

What this shows Williamson Development LLC averages 3.3 TCR (117% 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

Williamson Development LLC TCR series: 2022=7 · 2023=2.8 · 2024=0 · BLS 2.8

Where Williamson Development LLC falls in its industry

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

Safer than 46% 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 #27 safest of 36 Utility line (i.e., sewer, wat employers in Arizona.

Williamson Development LLC (29 employees, TCR 3.3) 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 Williamson Development LLC
Williamson Development LLC (29 employees, TCR 3.3) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0

Williamson Development LLC 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 2.8 0.0 1 0 0
2022 7.0 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237110 · AZ · Glendale

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 · 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 Site Work Specialists 3.3 TCR
NAICS-TCR Exeter Supply Company, Inc 3.3 TCR
NAICS-TCR Michael F. Ronca & Sons, Inc. 3.3 TCR
NAICS-TCR Wright Construction Co., Inc. 3.3 TCR
STATE-SIZE Zen - Noh Hay Inc - Spot Road Farm 29 FTE
STATE-SIZE Arizona Farm 29 FTE
STATE-SIZE Royal Packing Yuma Az 29 FTE
STATE-SIZE EPCOR Water Agua Fria 29 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 Goodwill Alum Rock Store 3.3 TCR
NAT-TCR Bakewise Brands, Inc. 3.3 TCR
NAT-TCR Valassis Manufacturing Company 3.3 TCR
NAT-TCR Salem Facility LLC 3.3 TCR
NAT-SIZE Pioneer College Caterers, Inc. - Unit 028/McMurry University 29 FTE
NAT-SIZE Benning 29 FTE
NAT-SIZE Woodard Builders Supply Company 29 FTE
NAT-SIZE Crotona Parkway West HDFC 29 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. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.