Oil field road construction · Illinois

Diamond Construction Company

Quincy, IL · ~19 workers · 9 years of OSHA Injury Tracking Application data.

B
Good Safety Record
2.0
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Diamond Construction Company runs at 71% of its industry's injury rate - safer than the typical Oil field road construction workplace, earning a grade B.

Diamond Construction Company: 2.0 TCR = 71% of Oil field road construction BLS 2.8 · 9y Form 300A (see methodology below)

Diamond Construction Company safety composite

Diamond Construction Company 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

68/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2 per 100 workers

Safer than 66% 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

−6.5

2016→2024

Diamond Construction Company injury rate improved

Diamond Construction Company's TCR fell 6.5 from 6.5 in 2016 to 0.0 in 2024. Peak filing year was 2016 at 6.5 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2016=6.5 · 2017=6.5 · 2018=0.0 · 2019=0.0 · 2020=5.0 · 2021=0.0 · 2022=0.0 · 2023=0.0 · 2024=0.0

OSHA ITA Form 300A scorecard

Establishment book 237310 · Quincy, IL AT/BELOW-IND · SMALL

Grade B · TCR 2.0 · 71% of ind

  • DART 0.0 DART
  • RANK #48/266
  • PHOTO Duran & Venables
  • BOOK 9y book
  • INJ 3 inj
  • SIZE ~19 FTE

Nearest TCR peer: Duran & Venables (0.0 TCR gap)

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

Diamond Construction Company in the TCR neighbourhood

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

TCR

What this shows Diamond Construction Company averages 2.0 TCR (71% of the Oil field road construction BLS benchmark).

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

Diamond Construction Company TCR series: 2016=6.5 · 2017=6.5 · 2018=0 · 2019=0 · 2020=5 · 2021=0 · 2022=0 · 2023=0 · 2024=0 · BLS 2.8

Where Diamond Construction Company falls in its industry

4,078 Oil field road construction establishments

Safer than 66% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #48 safest of 266 Oil field road construction employers in Illinois.

Diamond Construction Company (19 employees, TCR 2.0) 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 Diamond Construction Company
Diamond Construction Company (19 employees, TCR 2.0) among 29 same-industry peers, split at the industry median of 69 employees and a TCR of 3.0

Diamond Construction Company has fewer employees than the Oil field road 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
2024 0.0 0.0 0 0 0
2023 0.0 0.0 0 0 0
2022 0.0 0.0 0 0 0
2021 0.0 0.0 0 0 0
2020 5.0 5.0 1 0 0
2019 0.0 0.0 0 0 0
2018 0.0 0.0 0 0 0
2017 6.5 0.0 1 0 0
2016 6.5 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237310 · IL · Quincy

4,078 Oil field road construction employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 155 employers in Quincy, IL · 4 cross-state NAT-TCR peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Duran & Venables 2.0 TCR
NAICS-TCR Ragle Construction 2.0 TCR
NAICS-TCR Pavement Recycling Systems San Diego 2.0 TCR
NAICS-TCR IM-I065(497) 2.0 TCR
STATE-SIZE Gingerich Farms Partnerships 19 FTE
STATE-SIZE Tolono Research 19 FTE
STATE-SIZE PharmaCann Hillcrest 19 FTE
STATE-SIZE South Morgan Acres, LLC. 19 FTE
CITY-NEAR Blessing Corporate Services Inc 2,993 FTE
CITY-NEAR The Knapheide Manufacturing Company 1,237 FTE
CITY-NEAR Blessing Business Center 514 FTE
CITY-NEAR John Wood Community College 380 FTE
NAT-TCR Wilkes-Barre Manufacturing Facility 2.0 TCR
NAT-TCR Wolff Construction, LP 2.0 TCR
NAT-TCR Magna Water District 2.0 TCR
NAT-TCR Goodwill Industries of Central North Carolina, Inc - #022 2.0 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, 2023, 2022, 2021, 2020, 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.