Water and Sewer Line and Related Structures Construction · Michigan

DiPonio Contracting LLC

Shelby Township, MI · ~49 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

DiPonio Contracting LLC runs at 86% of its industry's injury rate - about level with the typical Water and Sewer Line and Related Structures Construction workplace, earning a grade C.

DiPonio Contracting LLC: 2.4 TCR = 86% of Water and Sewer Line and Related Structures Construction BLS 2.8 · 2y Form 300A (see methodology below)

DiPonio Contracting LLC safety composite

DiPonio Contracting LLC scores strongest on dart rate (safer than 79% of same-industry peers) and weakest on fatalities (safer than 52%), 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

64/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.4 per 100 workers

Safer than 59% 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

−4.8

2022→2024

DiPonio Contracting LLC injury rate improved

DiPonio Contracting LLC's TCR fell 4.8 from 4.8 in 2022 to 0.0 in 2024. Peak filing year was 2022 at 4.8 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2022=4.8 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 237110 · Shelby Township, MI AT/BELOW-IND · SMALL

Grade C · TCR 2.4 · 86% of ind

  • DART 0.0 DART
  • RANK #11/35
  • PHOTO First Utility Distri…
  • BOOK 2y book
  • INJ 2 inj
  • SIZE ~49 FTE

Nearest TCR peer: First Utility District of Knox County (0.0 TCR gap)

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

DiPonio Contracting LLC in the TCR neighbourhood

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

TCR

What this shows DiPonio Contracting LLC averages 2.4 TCR (86% of the Water and Sewer Line and Related Structures Construction BLS benchmark).

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

DiPonio Contracting LLC TCR series: 2022=4.8 · 2024=0 · BLS 2.8

Where DiPonio Contracting LLC falls in its industry

1,614 Water and Sewer Line and Relat establishments

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

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #11 safest of 35 Water and Sewer Line and Relat employers in Michigan.

DiPonio Contracting LLC (49 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 DiPonio Contracting LLC
DiPonio Contracting LLC (49 employees, TCR 2.4) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0

DiPonio Contracting LLC has fewer employees than the Water and Sewer Line and Related Structu 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 0.0 0.0 0 0 0
2022 4.8 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237110 · MI · Shelby Township

1,614 Water and Sewer Line and Related Structures Construction employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 86 employers in Shelby Township, MI · 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 First Utility District of Knox County 2.4 TCR
NAICS-TCR Glenbrook 2.4 TCR
NAICS-TCR Maverick Underground Inc 2.4 TCR
NAICS-TCR Trac II, Inc. 2.4 TCR
STATE-SIZE 1003 Canal St 49 FTE
STATE-SIZE Miller-Davis Company 49 FTE
STATE-SIZE Gundlach Champion, Inc. 49 FTE
STATE-SIZE CLOSNER CONSTRUCTION & SALES INC 49 FTE
CITY-NEAR Amazon.com Services LLC - DET2 804 FTE
CITY-NEAR Dan's Excavating, Inc. 468 FTE
CITY-NEAR Plant 4 349 FTE
CITY-NEAR Mayco Shelby 320 FTE
NAT-TCR City of Fairview 2.4 TCR
NAT-TCR Marine Industrial Fabrication 2.4 TCR
NAT-TCR Edgecombe-Martin County Electric Membership Corp. 2.4 TCR
NAT-TCR Breda Pest Management 2.4 TCR
NAT-SIZE AH Concrete LLC 49 FTE
NAT-SIZE Lockhart Suver 49 FTE
NAT-SIZE RCS Systems 49 FTE
NAT-SIZE 12932 to 12958 Midway Place Cerritos CA 49 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, 2022. 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.