Plumbing contractors · Ohio

Koorsen Fire & Security Mansfield

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

Mansfield, OH · ~17 workers · 2 years of OSHA Injury Tracking Application data.

Compiled by PlainSafetyScore · August 25, 2026

D
Poor Safety Record: 4.8
Avg TCR: 2.8
Industry avg: 0
Fatalities

Subscribe to safety-record updates (RSS)

The verdict

Koorsen Fire & Security Mansfield runs at 170% of its industry's injury rate - more dangerous than the typical Plumbing contractors workplace, earning a grade D.

Koorsen Fire & Security Mansfield: 4.8 TCR = 170% of Plumbing contractors BLS 2.8 · 2y Form 300A (see methodology below)

Koorsen Fire & Security Mansfield safety composite

Koorsen Fire & Security Mansfield scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 36%), 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).

55/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR): D 4.76 per 100 workers

Safer than 36% 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%).

Rising injury rate

Koorsen Fire & Security Mansfield: 0.0 → 9.5 TCR

Peak year 2020 @ 9.5 TCR · DART/TCR 0× in 2020

Koorsen Fire & Security Mansfield's TCR rose 9.5 from 0.0 in 2019 to 9.5 in 2020. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Mansfield, OH ABOVE-IND · SMALL

Grade D · TCR 4.8 · 170% of ind

DART 0.0 DART
RANK #229/300
PHOTO Acme Mechanical Cont…
BOOK 2y book
INJ 1 inj
SIZE ~17 FTE

Nearest TCR peer: Acme Mechanical Contractors of Virginia, Inc (0.0 TCR gap)

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

This site

4.8
Acme Mechanica

4.8
5 Star Refrige

4.8
Central Florid

4.8
AFS Austin

4.8

What this shows Koorsen Fire & Security Mansfield averages 4.8 TCR (170% of the Plumbing contractors BLS benchmark).

Koorsen Fire & Security Mansfield TCR series: 2019=0 · 2020=9.5 · BLS 2.8

Where Koorsen Fire & Security Mansfield falls in its industry

5,793 Plumbing contractors establishments

Safer than 36% 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 #229 safest of 300 Plumbing contractors employers in Ohio.

Koorsen Fire & Security Mansfield (17 employees, TCR 4.8) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Koorsen Fire & Security Mansfield 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	Illnesses	Fatalities
2020	9.5	0.0	1	0	0
2019	0.0	0.0	0	0	0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · OH · Mansfield

5,793 Plumbing contractors employers nationwide with a credible TCR · 22,650 rated employers in Ohio with headcount on file · 164 employers in Mansfield, OH · 4 cross-state NAT-TCR peers. Closest matches by relationship code are listed below.

Rel	Establishment	Place	Metric
NAICS-TCR	Acme Mechanical Contractors of Virginia, Inc	MANASSAS, VA	4.8 TCR
NAICS-TCR	5 Star Refrigeration & Air Conditioning, Inc.	BROOKSVILLE, FL	4.8 TCR
NAICS-TCR	Central Florida	ORLANDO, FL	4.8 TCR
NAICS-TCR	AFS Austin	AUSTIN, TX	4.8 TCR
STATE-SIZE	Oakshade Dairy LLC	LYONES	17 FTE
STATE-SIZE	1296-NiSource-Columbus OH - Front Street	COLUMBUS	17 FTE
STATE-SIZE	GEM Industrial Inc. - Cenovus, Oregon Refinery	OREGON	17 FTE
STATE-SIZE	American Boring Inc	CARROLL	17 FTE
CITY-NEAR	MedCentral Hospital	Mansfield	2,732 FTE
CITY-NEAR	Newman Technology, Inc	Mansfield	794 FTE
CITY-NEAR	Avita Health System Ontario Location	Mansfield	485 FTE
CITY-NEAR	Broshco Fabricated Products	Mansfield	468 FTE
NAT-TCR	University of Colorado Hospital Memorial Central	Colorado Springs, CO	4.8 TCR
NAT-TCR	DE/PA	Aston, PA	4.8 TCR
NAT-TCR	Amzl : Dda3	Fort Worth, TX	4.8 TCR
NAT-TCR	Galesburg Hospitals Ambulance Service	Galesburg, IL	4.8 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: 2020, 2019. 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.