Concrete sawing and drilling (except demolition) · Illinois

Diamond Coring Co., Inc.

Chicago, IL · ~74 workers · 2 years of OSHA Injury Tracking Application data.

C
Average Safety Record
0.0
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Diamond Coring Co., Inc. runs at 0% of its industry's injury rate - about level with the typical Concrete sawing and drilling (except demolition) workplace, earning a grade C.

Diamond Coring Co., Inc.: 0.0 TCR = 0% of Concrete sawing and drilling (except demolition) BLS 2.8 · 2y Form 300A (see methodology below)

Diamond Coring Co., Inc. safety composite

Diamond Coring Co., Inc. scores strongest on total case rate (tcr) (safer than 100% of same-industry peers) and weakest on fatalities (safer than 51%), 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).

B

78/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0 per 100 workers

Safer than 100% of industry peers

DART rate
C 0 per 100 workers

Safer than 73% of industry peers

Fatalities
D 0

Safer than 51% 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%).

Diamond Coring Co., Inc. held a steady TCR band

Diamond Coring Co., Inc.'s TCR held near 0.0 from 0.0 in 2017 to 0.0 in 2019. Peak filing year was 2017 at 0.0 TCR.

2017=0.0 · 2019=0.0

OSHA ITA Form 300A scorecard

Establishment book 238990 · Chicago, IL AT/BELOW-IND · SMALL

Grade C · TCR 0.0 · 0% of ind

  • DART 0.0 DART
  • RANK #0/59
  • PHOTO Apache - Sasol Chemi…
  • BOOK 2y book
  • INJ 0 inj
  • SIZE ~74 FTE

Nearest TCR peer: Apache - Sasol Chemicals Plant (0.0 TCR gap)

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

Diamond Coring Co., Inc. in the TCR neighbourhood

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

TCR

What this shows Diamond Coring Co., Inc. averages 0.0 TCR (0% of the Concrete sawing and drilling (except demolition) BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-09-26

Diamond Coring Co., Inc. TCR series: 2017=0 · 2019=0 · BLS 2.8

Where Diamond Coring Co., Inc. falls in its industry

1,634 Concrete sawing and drilling ( establishments

Safer than 100% of graded establishments in this industry, whose median TCR is 1.9.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #0 safest of 59 Concrete sawing and drilling ( employers in Illinois.

Diamond Coring Co., Inc. (74 employees, TCR 0.0) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 1.9 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 05001,0001,500 0246810 Average employees Total Case Rate Diamond Coring Co., Inc.
Diamond Coring Co., Inc. (74 employees, TCR 0.0) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 1.9

Diamond Coring Co., Inc. has more employees than the Concrete sawing and drilling (except dem median and a lower injury rate than the industry's median TCR of 1.9. 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
2019 0.0 0.0 0 0 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238990 · IL · Chicago

1,634 Concrete sawing and drilling (except demolition) employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 2,934 employers in Chicago, IL · 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 Apache - Sasol Chemicals Plant 0.0 TCR
NAICS-TCR Apache - Kiewit Offshore Services 0.1 TCR
NAICS-TCR Core Scaffold Systems Inc. 0.1 TCR
NAICS-TCR BrandSafway, LLC - Houston - Laporte Branch 0.1 TCR
STATE-SIZE North Shore Rehabilitation and Health Care Center 74 FTE
STATE-SIZE City of Chicago - CDOT, Bridges 74 FTE
STATE-SIZE Nursing Facility 74 FTE
STATE-SIZE SPEE DEE DELIVERY SERVICE, INC- ROCKFORD 74 FTE
CITY-NEAR Chicago Public Schools 49,500 FTE
CITY-NEAR Chicago/Corporate 18,831 FTE
CITY-NEAR University of Illinois at Chicago 13,092 FTE
CITY-NEAR University Health Service UIC UIC Campus 12,732 FTE
NAT-TCR Portsmouth NNSY Commissary 0.0 TCR
NAT-TCR Columbus Health and Rehab 0.0 TCR
NAT-TCR Meijer 0.0 TCR
NAT-TCR GeoCare, Inc. DBA Home Instead Senior Care 0.0 TCR
NAT-SIZE Pottsville PA14 74 FTE
NAT-SIZE US - Branch Network : 0753 74 FTE
NAT-SIZE Regional Health Distribution Center 74 FTE
NAT-SIZE Imperial Youngstown 74 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: 2019, 2017. 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.