Plumbing contractors · Ohio

Koorsen Fire & Security Cincinnati

Name: Koorsen Fire & Security Cincinnati Workplace Safety Data
Creator: PlainSafetyScore
License: https://creativecommons.org/publicdomain/zero/1.0/

Blue Ash, OH · ~20 workers · 4 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

D
Poor Safety Record: 4.4
Avg TCR: 2.8
Industry avg: 0
Fatalities

Subscribe to safety-record updates (RSS)

The verdict

Koorsen Fire & Security Cincinnati runs at 156% of its industry's injury rate - more dangerous than the typical Plumbing contractors workplace, earning a grade D.

Koorsen Fire & Security Cincinnati: 4.4 TCR = 156% of Plumbing contractors BLS 2.8 · 4y Form 300A (see methodology below)

Koorsen Fire & Security Cincinnati safety composite

Koorsen Fire & Security Cincinnati scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 40%), 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).

57/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 4.36 per 100 workers

Safer than 40% of industry peers
DART rate: B 0 per 100 workers

Safer than 80% 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%).

Koorsen Fire & Security Cincinnati held a steady TCR band

Koorsen Fire & Security Cincinnati's TCR held near 0.3 from 5.9 in 2016 to 6.2 in 2020. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

2016=5.9 · 2017=5.3 · 2019=0.0 · 2020=6.2

OSHA ITA Form 300A scorecard

Establishment book 238220 · Blue Ash, OH ABOVE-IND · SMALL

Grade D · TCR 4.4 · 156% of ind

DART 0.0 DART
RANK #215/300
PHOTO W.O. Blackstone & Co…
BOOK 4y book
INJ 3 inj
SIZE ~20 FTE

Nearest TCR peer: W.O. Blackstone & Co., Inc. (0.0 TCR gap)

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

This site

4.4
W.O. Blackston

4.4
Advantage Air

4.4
Main Office

4.4
Sunnyfield Cor

4.4

What this shows Koorsen Fire & Security Cincinnati averages 4.4 TCR (156% of the Plumbing contractors BLS benchmark).

Koorsen Fire & Security Cincinnati TCR series: 2016=5.9 · 2017=5.3 · 2019=0 · 2020=6.2 · BLS 2.8

Where Koorsen Fire & Security Cincinnati falls in its industry

5,793 Plumbing contractors establishments

Safer than 40% of graded establishments in this industry, whose median TCR is 3.3.

Grade D

More dangerous than peersSafer than peers

Narrower to Ohio alone (the establishments it most directly competes with for workers and contracts): ranked #215 safest of 300 Plumbing contractors employers in Ohio.

Koorsen Fire & Security Cincinnati (20 employees, TCR 4.4) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Koorsen Fire & Security Cincinnati has fewer employees than the Plumbing contractors median and a higher injury rate than the industry's median TCR of 3.3. 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
2020	6.2	0.0	1
2019	0.0	0.0	0
2017	5.3	5.3	1
2016	5.9	5.9	1

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · OH · Blue Ash

5,793 Plumbing contractors employers nationwide with a credible TCR · 22,650 rated employers in Ohio with headcount on file · 42 employers in Blue Ash, 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	W.O. Blackstone & Co., Inc.	COLUMBIA, SC	4.4 TCR
NAICS-TCR	Advantage Air Conditioning ofVA	STERLING, VA	4.4 TCR
NAICS-TCR	Main Office	SCHAUMBURG, IL	4.4 TCR
NAICS-TCR	Sunnyfield Corp	OCEAN, NJ	4.4 TCR
STATE-SIZE	Nature Pure Farm 1	RAYMOND	20 FTE
STATE-SIZE	Foundry Sand Service LLC	SEBRING	20 FTE
STATE-SIZE	Carroll County Energy LLC	CARROLLTON	20 FTE
STATE-SIZE	NAES : NTE Middletown	MIDDLETOWN	20 FTE
CITY-NEAR	Steelcraft	Blue Ash	699 FTE
CITY-NEAR	OH_Blue Ash_10920 Kenwood Rd._54520003	Blue Ash	429 FTE
CITY-NEAR	414-DC002	Blue Ash	349 FTE
CITY-NEAR	014-00942	Blue Ash	230 FTE
NAT-TCR	Marshfield, Massachusetts (Warehouse)	Marshfield, MA	4.4 TCR
NAT-TCR	LECO Corporation- Ceramics	Benton Harbor, MI	4.4 TCR
NAT-TCR	RIL Do it Best Sikeston	Sikeston, MO	4.4 TCR
NAT-TCR	Diversified Fluid Solutions	Boise, ID	4.4 TCR
NAT-SIZE	Independence Property Services	Willow Grove, PA	20 FTE
NAT-SIZE	Fineline Graphics	Denver, CO	20 FTE
NAT-SIZE	Hampton Inn - New Smyrna Beach	New Smyrna Beach, FL	20 FTE
NAT-SIZE	Courtyard - Panama City	Panama City, FL	20 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: 2020, 2019, 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.