Pavement, highway, road, street, bridge or airport runway, construction · Ohio

Koski Construction Co.

Ashtabula, OH · ~18 workers · 3 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.4
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Koski Construction Co. runs at 49% of its industry's injury rate - far safer than the typical Pavement, highway, road, street, bridge or airport runway, construction workplace, earning a grade A.

Koski Construction Co.: 1.4 TCR = 49% of Pavement, highway, road, street, bridge or airport runway, construction BLS 2.8 · 3y Form 300A (see methodology below)

Koski Construction Co. safety composite

Koski Construction Co. scores strongest on dart rate (safer than 81% of same-industry peers) and weakest on fatalities (safer than 53%), 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

72/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.38 per 100 workers

Safer than 77% of industry peers

DART rate
B 0 per 100 workers

Safer than 81% 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%).

TCR Δ

−4.2

2020→2024

Koski Construction Co. injury rate improved

Koski Construction Co.'s TCR fell 4.2 from 4.2 in 2020 to 0.0 in 2024. Peak filing year was 2020 at 4.2 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2020=4.2 · 2021=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 237310 · Ashtabula, OH AT/BELOW-IND · SMALL

Grade A · TCR 1.4 · 49% of ind

  • DART 0.0 DART
  • RANK #32/141
  • PHOTO DeLong Construction,…
  • BOOK 3y book
  • INJ 1 inj
  • SIZE ~18 FTE

Nearest TCR peer: DeLong Construction, Inc. (0.0 TCR gap)

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

Koski Construction Co. in the TCR neighbourhood

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

TCR

What this shows Koski Construction Co. averages 1.4 TCR (49% of the Pavement, highway, road, street, bridge or airport runway, construction BLS benchmark).

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

Koski Construction Co. TCR series: 2020=4.2 · 2021=0 · 2024=0 · BLS 2.8

Where Koski Construction Co. falls in its industry

4,078 Pavement, highway, road, stree establishments

Safer than 77% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to Ohio alone (the establishments it most directly competes with for workers and contracts): ranked #32 safest of 141 Pavement, highway, road, stree employers in Ohio.

Koski Construction Co. (18 employees, TCR 1.4) 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 Koski Construction Co.
Koski Construction Co. (18 employees, TCR 1.4) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 3.0

Koski Construction Co. has fewer employees than the Pavement, highway, road, street, bridge 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
2021 0.0 0.0 0 0 0
2020 4.2 4.2 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237310 · OH · Ashtabula

4,078 Pavement, highway, road, street, bridge or airport runway, construction employers nationwide with a credible TCR · 22,650 rated employers in Ohio with headcount on file · 85 employers in Ashtabula, OH · 4 cross-state NAT-TCR peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR DeLong Construction, Inc. 1.4 TCR
NAICS-TCR California Department of Transportation Facility 392 1.4 TCR
NAICS-TCR Pegasus Link Constructors - LBJ 1.4 TCR
NAICS-TCR R. J. Grondin and Sons 1.4 TCR
STATE-SIZE Buckeye Oil Producing Company 18 FTE
STATE-SIZE Holmes Supply Corp 18 FTE
STATE-SIZE Vixcon Co LLC 18 FTE
STATE-SIZE Sapphire Steel 18 FTE
CITY-NEAR Ashtabula County Medical Center 976 FTE
CITY-NEAR Molded Fiber Glass Composite Systems Company 456 FTE
CITY-NEAR WM 2359 390 FTE
CITY-NEAR 2359 388 FTE
NAT-TCR Mol-Son LLC 1.4 TCR
NAT-TCR Elm Electrical Inc. 1.4 TCR
NAT-TCR Pratt (Rockwall Corrugating) LLC 1.4 TCR
NAT-TCR Fabcor Inc 1.4 TCR

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, 2021, 2020. 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.