Plumbing contractors · Ohio

Koorsen Fire & Security Columbus OH

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

Columbus, OH · ~97 workers · 4 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

B
Good Safety Record: 2.2
Avg TCR: 2.8
Industry avg: 0
Fatalities

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The verdict

Koorsen Fire & Security Columbus OH runs at 78% of its industry's injury rate - safer than the typical Plumbing contractors workplace, earning a grade B.

Koorsen Fire & Security Columbus OH: 2.2 TCR = 78% of Plumbing contractors BLS 2.8 · 4y Form 300A (see methodology below)

Koorsen Fire & Security Columbus OH safety composite

Koorsen Fire & Security Columbus OH scores strongest on total case rate (tcr) (safer than 66% of same-industry peers) and weakest on dart rate (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).

57/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): C 2.19 per 100 workers

Safer than 66% of industry peers
DART rate: D 1.18 per 100 workers

Safer than 50% 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%).

Rising injury rate

Koorsen Fire & Security Columbus OH: 1.4 → 3.5 TCR

Peak year 2020 @ 3.5 TCR · DART/TCR 0.54× in 2020

Koorsen Fire & Security Columbus OH's TCR rose 2.1 from 1.4 in 2016 to 3.5 in 2020. In 2020, DART was 0.54× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Columbus, OH AT/BELOW-IND · SMALL

Grade B · TCR 2.2 · 78% of ind

DART 1.2 DART
RANK #112/300
PHOTO Apple Air Heating an…
BOOK 4y book
INJ 6 inj
SIZE ~97 FTE

Nearest TCR peer: Apple Air Heating and Cooling (0.0 TCR gap)

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

This site

2.2
Apple Air Heat

2.2
Airside Techno

2.2
Cobabe Brother

2.2
Halco

2.2

What this shows Koorsen Fire & Security Columbus OH averages 2.2 TCR (78% of the Plumbing contractors BLS benchmark).

Koorsen Fire & Security Columbus OH TCR series: 2016=1.4 · 2017=2.6 · 2019=1.2 · 2020=3.5 · BLS 2.8

Where Koorsen Fire & Security Columbus OH falls in its industry

5,793 Plumbing contractors establishments

Safer than 66% of graded establishments in this industry, whose median TCR is 3.3.

Grade B

More dangerous than peersSafer than peers

Narrower to Ohio alone (the establishments it most directly competes with for workers and contracts): ranked #112 safest of 300 Plumbing contractors employers in Ohio.

Koorsen Fire & Security Columbus OH (97 employees, TCR 2.2) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Koorsen Fire & Security Columbus OH has more employees than the Plumbing contractors median and a lower 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	Illnesses
2020	3.5	1.2	3	0
2019	1.2	1.2	1	0
2017	2.6	0.0	1	1
2016	1.4	0.0	1	0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · OH · Columbus

5,793 Plumbing contractors 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	Apple Air Heating and Cooling	WHEATRIDGE, CO	2.2 TCR
NAICS-TCR	Airside Technology Corporation	EAST SYRACUSE, NY	2.2 TCR
NAICS-TCR	Cobabe Brothers Plumbing	EL DORADO HILLS, CA	2.2 TCR
NAICS-TCR	Halco	PHELPS, NY	2.2 TCR
STATE-SIZE	Layer Site 4	CROTON	97 FTE
STATE-SIZE	Spieker Company	NORTHWOOD	97 FTE
STATE-SIZE	Smoot Construction - Company of Ohio	COLUMBUS	97 FTE
STATE-SIZE	Strawser Paving Company	COLUMBUS	97 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	13 - Charleston	Hanahan, SC	2.2 TCR
NAT-TCR	ARI-Tennille	Tennille, GA	2.2 TCR
NAT-TCR	General Mills (Albuquerque)	Albuquerque, NM	2.2 TCR
NAT-TCR	Glaxo Smith Kline LLC DPC	York, PA	2.2 TCR
NAT-SIZE	Genzink Steel	Holland, MI	97 FTE
NAT-SIZE	Fairland Center	Silver Spring, MD	97 FTE
NAT-SIZE	HT Hackney Lake City	Lake City, GA	97 FTE
NAT-SIZE	Englewood Healthcare and Rehabilitation Center	Englewood, FL	97 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.