Distribution line, sewer and water, construction · California

Preston Infrastructure

Milpitas, CA · ~429 workers · 2 years of OSHA Injury Tracking Application data.

C
Average Safety Record
2.4
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Preston Infrastructure runs at 86% of its industry's injury rate - about level with the typical Distribution line, sewer and water, construction workplace, earning a grade C.

Preston Infrastructure: 2.4 TCR = 86% of Distribution line, sewer and water, construction BLS 2.8 · 2y Form 300A (see methodology below)

Preston Infrastructure safety composite

Preston Infrastructure scores strongest on total case rate (tcr) (safer than 59% of same-industry peers) and weakest on dart rate (safer than 49%), 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

54/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.41 per 100 workers

Safer than 59% of industry peers

DART rate
D 1.06 per 100 workers

Safer than 49% 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

−2.2

2023→2024

Preston Infrastructure injury rate improved

Preston Infrastructure's TCR fell 2.2 from 3.5 in 2023 to 1.3 in 2024. Peak filing year was 2023 at 3.5 TCR. In 2024, DART was 0.44× this establishment's average TCR (severity share of cases).

2023=3.5 · 2024=1.3

OSHA ITA Form 300A scorecard

Establishment book 237110 · Milpitas, CA AT/BELOW-IND · MID

Grade C · TCR 2.4 · 86% of ind

  • DART 1.1 DART
  • RANK #79/201
  • PHOTO DOWNING CONSTRUCTION…
  • BOOK 2y book
  • INJ 18 inj
  • SIZE ~429 FTE

Nearest TCR peer: DOWNING CONSTRUCTION INC (0.0 TCR gap)

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

Preston Infrastructure in the TCR neighbourhood

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

TCR

What this shows Preston Infrastructure averages 2.4 TCR (86% of the Distribution line, sewer and water, construction BLS benchmark).

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

Preston Infrastructure TCR series: 2023=3.5 · 2024=1.3 · BLS 2.8

Where Preston Infrastructure falls in its industry

1,614 Distribution line, sewer and w establishments

Safer than 59% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #79 safest of 201 Distribution line, sewer and w employers in California.

Preston Infrastructure (429 employees, TCR 2.4) 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 Preston Infrastructure
Preston Infrastructure (429 employees, TCR 2.4) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0

Preston Infrastructure has more employees than the Distribution line, sewer and water, cons median and a lower 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 1.3 1.1 5 0 0
2023 3.5 3.5 13 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

237110 · CA · Milpitas

1,614 Distribution line, sewer and water, construction employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 161 employers in Milpitas, CA · 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 DOWNING CONSTRUCTION INC 2.4 TCR
NAICS-TCR Southern Development & Construction, Inc. 2.4 TCR
NAICS-TCR Kimmins Contracting Corp. 2.4 TCR
NAICS-TCR Woodruff & Sons, Inc.-IN 2.4 TCR
STATE-SIZE Hampton Tedder Electric 429 FTE
STATE-SIZE Miller Castings, Inc. 429 FTE
STATE-SIZE Weber Metals Inc. 429 FTE
STATE-SIZE Thales Avionics INC CA 429 FTE
CITY-NEAR California Department of Transportation Facility 454 2,891 FTE
CITY-NEAR California 2,531 FTE
CITY-NEAR 2636-CALIFORNIA, MILPITAS 2,400 FTE
CITY-NEAR 011 SanDisk HQ 1,952 FTE
NAT-TCR Mt. Pleasant 2.4 TCR
NAT-TCR Ladel - Delhi 2.4 TCR
NAT-TCR Basic Concepts Inc. 2.4 TCR
NAT-TCR Gowanda Electronics 2.4 TCR
NAT-SIZE Hyatt Regency Chesapeake Bay Golf Resort Spa and Marina 429 FTE
NAT-SIZE EVERANA Life Science Services LLC - Mason OH 429 FTE
NAT-SIZE OH_Blue Ash_10920 Kenwood Rd._54520003 429 FTE
NAT-SIZE OSRAM 429 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. 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.