Table tops, marble, manufacturing · Ohio

Konkus Marble and Granite

Name: Konkus Marble and Granite Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Columbus, OH · ~140 workers · 3 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

C
Average Safety Record: 2.9
Avg TCR: 3.3
Industry avg: 0
Fatalities

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The verdict

Konkus Marble and Granite runs at 86% of its industry's injury rate - about level with the typical Table tops, marble, manufacturing workplace, earning a grade C.

Konkus Marble and Granite: 2.9 TCR = 86% of Table tops, marble, manufacturing BLS 3.3 · 3y Form 300A (see methodology below)

Konkus Marble and Granite safety composite

Konkus Marble and Granite scores strongest on total case rate (tcr) (safer than 80% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

66/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): B 2.85 per 100 workers

Safer than 80% of industry peers
DART rate: C 1.6 per 100 workers

Safer than 60% of industry peers
Fatalities: D 0

Safer than 50% 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

Konkus Marble and Granite: 0.0 → 4.0 TCR

Peak year 2023 @ 4.6 TCR · DART/TCR 0.56× in 2024

Konkus Marble and Granite's TCR rose 4.0 from 0.0 in 2022 to 4.0 in 2024. Peak filing year was 2023 at 4.6 TCR. In 2024, DART was 0.56× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 327991 · Columbus, OH AT/BELOW-IND · MID

Grade C · TCR 2.9 · 86% of ind

DART 1.6 DART
RANK #4/23
PHOTO Stone Systems of Atl…
BOOK 3y book
INJ 10 inj
SIZE ~140 FTE

Nearest TCR peer: Stone Systems of Atlanta (0.0 TCR gap)

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

This site

2.9
Stone Systems

2.9
Distinctive Ma

2.9
Goshen Springs

2.9
Atlantic Contr

2.9

What this shows Konkus Marble and Granite averages 2.9 TCR (86% of the Table tops, marble, manufacturing BLS benchmark).

Konkus Marble and Granite TCR series: 2022=0 · 2023=4.6 · 2024=4 · BLS 3.3

Where Konkus Marble and Granite falls in its industry

313 Table tops, marble, manufactur establishments

Safer than 80% of graded establishments in this industry, whose median TCR is 5.3.

Grade C

More dangerous than peersSafer than peers

Narrower to Ohio alone (the establishments it most directly competes with for workers and contracts): ranked #4 safest of 23 Table tops, marble, manufactur employers in Ohio.

Konkus Marble and Granite (140 employees, TCR 2.9) among 29 same-industry peers, split at the industry median of 45 employees and a TCR of 5.3

Konkus Marble and Granite has more employees than the Table tops, marble, manufacturing median and a lower injury rate than the industry's median TCR of 5.3. 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
2024	4.0	1.6	5	0
2023	4.6	3.8	5	1
2022	0.0	0.0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

327991 · OH · Columbus

313 Table tops, marble, manufacturing employers nationwide with a credible TCR · 22,650 rated employers in Ohio with headcount on file · 1,500 employers in Columbus, OH · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	Stone Systems of Atlanta	ATLANTA, GA	2.9 TCR
NAICS-TCR	Distinctive Marble & Granite	PLAIN CITY, OH	2.9 TCR
NAICS-TCR	Goshen Springs Road	NORCROSS, GA	2.9 TCR
NAICS-TCR	Atlantic Contracting Services, LLC	BRIDGEVILLE, DE	2.9 TCR
STATE-SIZE	Dummen Orange	COLUMBUS	140 FTE
STATE-SIZE	Feazel Roofing, LLC	NEW ALBANY	140 FTE
STATE-SIZE	Cinfab	CINCINNATI	140 FTE
STATE-SIZE	CANTON LOCATION	CANTON	140 FTE
CITY-NEAR	Nationwide Children's Hospital	Columbus	13,367 FTE
CITY-NEAR	Nationwide Children's Hospital Main Campus	Columbus	10,116 FTE
CITY-NEAR	Riverside Methodist Hospital	Columbus	9,759 FTE
CITY-NEAR	North America Fulfillment Centers (FCs) : CMH1	Columbus	5,057 FTE
NAT-TCR	Evonik Corporation	Chester, PA	2.9 TCR
NAT-TCR	DairyChem Laboratories, Inc	Fishers, IN	2.9 TCR
NAT-TCR	CCL Label - Robbinsville	Robbinsville, NJ	2.9 TCR
NAT-TCR	Harrison Dental Studio	West Saint Paul, MN	2.9 TCR
NAT-SIZE	HEWLETT-NY55	Hewlett, NY	140 FTE
NAT-SIZE	Gundersen Tomah Clinic	Tomah, WI	140 FTE
NAT-SIZE	A Lamp Concrete Contractors	Schaumburg, IL	140 FTE
NAT-SIZE	BorgWarner Livonia	Livonia, MI	140 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, 2023, 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.