Bridge construction · Michigan

Z Contractors Inc.

Shelby Township, MI · ~64 workers · 6 years of OSHA Injury Tracking Application data.

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

Z Contractors Inc. runs at 99% of its industry's injury rate - about level with the typical Bridge construction workplace, earning a grade C.

Z Contractors Inc.: 2.8 TCR = 99% of Bridge construction BLS 2.8 · 6y Form 300A (see methodology below)

Z Contractors Inc. safety composite

Z Contractors Inc. scores strongest on total case rate (tcr) (safer than 53% of same-industry peers) and weakest on dart rate (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).

D

53/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 2.76 per 100 workers

Safer than 53% of industry peers

DART rate
D 0.98 per 100 workers

Safer than 52% of industry peers

Fatalities
D 0

Safer than 53% 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

Z Contractors Inc.: 1.6 → 2.0 TCR

Peak year 2021 @ 3.8 TCR · DART/TCR 0.36× in 2023

Z Contractors Inc.'s TCR rose 0.4 from 1.6 in 2016 to 2.0 in 2023. Peak filing year was 2021 at 3.8 TCR. In 2023, DART was 0.36× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 237310 · Shelby Township, MI AT/BELOW-IND · SMALL

Grade C · TCR 2.8 · 99% of ind

  • DART 1.0 DART
  • RANK #42/139
  • PHOTO King Asphalt, Inc. U…
  • BOOK 6y book
  • INJ 14 inj
  • SIZE ~64 FTE

Nearest TCR peer: King Asphalt, Inc. Upstate (0.0 TCR gap)

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

Z Contractors Inc. in the TCR neighbourhood

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

TCR

What this shows Z Contractors Inc. averages 2.8 TCR (99% of the Bridge construction BLS benchmark).

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

Z Contractors Inc. TCR series: 2016=1.6 · 2017=3.2 · 2018=3 · 2019=3.1 · 2021=3.8 · 2023=2 · BLS 2.8

Where Z Contractors Inc. falls in its industry

4,078 Bridge construction establishments

Safer than 53% 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 #42 safest of 139 Bridge construction employers in Michigan.

Z Contractors Inc. (64 employees, TCR 2.8) among 29 same-industry peers, split at the industry median of 69 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 01,0002,0003,000 0102030 Average employees Total Case Rate Z Contractors Inc.
Z Contractors Inc. (64 employees, TCR 2.8) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 3.0

Z Contractors Inc. has fewer employees than the Bridge construction 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
2023 2.0 1.0 2 0 0
2021 3.8 3.8 4 0 0
2019 3.1 3.1 3 0 0
2018 3.0 3.0 2 0 0
2017 3.2 3.2 2 0 0
2016 1.6 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237310 · MI · Shelby Township

4,078 Bridge 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 King Asphalt, Inc. Upstate 2.8 TCR
NAICS-TCR Callahan Paving Corp. 2.8 TCR
NAICS-TCR Earle Asphalt Company 2.8 TCR
NAICS-TCR Scarsella Brothers, Inc. 2.8 TCR
STATE-SIZE Lapeer Service Center 64 FTE
STATE-SIZE Gas Construction Royal Oak 64 FTE
STATE-SIZE First Contracting, Inc. 64 FTE
STATE-SIZE Premiere Property Services, LLC 64 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 Compassionate Community Care 2.8 TCR
NAT-TCR Diamond Roofing Company, Inc. 2.8 TCR
NAT-TCR Four Star Mechanical, Inc. 2.8 TCR
NAT-TCR HI.HONOL.2 - Ricoh Americas Holdings, Inc 2.8 TCR
NAT-SIZE Town of Litchfield 64 FTE
NAT-SIZE Askin Construction LLC 64 FTE
NAT-SIZE New Energy Works 64 FTE
NAT-SIZE RIG Consulting, Inc 64 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: 2023, 2021, 2019, 2018, 2017, 2016. 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.