Plumbing and heating valves merchant wholesalers · Ohio

Johnston Supply

Marion, OH · ~40 workers · 5 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
2.9
Avg TCR
2.2
Industry avg
0
Fatalities
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The verdict

Johnston Supply runs at 132% of its industry's injury rate - more dangerous than the typical Plumbing and heating valves merchant wholesalers workplace, earning a grade D.

Johnston Supply: 2.9 TCR = 132% of Plumbing and heating valves merchant wholesalers BLS 2.2 · 5y Form 300A (see methodology below)

Johnston Supply safety composite

Johnston Supply scores strongest on total case rate (tcr) (safer than 56% of same-industry peers) and weakest on dart rate (safer than 17%), 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).

D

41/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.9 per 100 workers

Safer than 56% of industry peers

DART rate
F 5.06 per 100 workers

Safer than 17% 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

Johnston Supply: 0.0 → 5.1 TCR

Peak year 2024 @ 5.1 TCR · DART/TCR 1.74× in 2024

Johnston Supply's TCR rose 5.1 from 0.0 in 2018 to 5.1 in 2024. In 2024, DART was 1.74× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 423720 · Marion, OH ABOVE-IND · SMALL

Grade D · TCR 2.9 · 132% of ind

  • DART 5.1 DART
  • RANK #27/45
  • PHOTO WinSupply W Sioux Fa…
  • BOOK 5y book
  • INJ 6 inj
  • SIZE ~40 FTE

Nearest TCR peer: WinSupply W Sioux Falls SD Co (0.0 TCR gap)

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

Johnston Supply in the TCR neighbourhood

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

TCR

What this shows Johnston Supply averages 2.9 TCR (132% of the Plumbing and heating valves merchant wholesalers BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Johnston Supply TCR series: 2018=0 · 2021=2.4 · 2022=4.7 · 2023=2.4 · 2024=5.1 · BLS 2.2

Where Johnston Supply falls in its industry

853 Plumbing and heating valves me establishments

Safer than 56% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Ohio alone (the establishments it most directly competes with for workers and contracts): ranked #27 safest of 45 Plumbing and heating valves me employers in Ohio.

Johnston Supply (40 employees, TCR 2.9) among 29 same-industry peers, split at the industry median of 38 employees and a TCR of 3.3 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 0100200300400500 051015 Average employees Total Case Rate Johnston Supply
Johnston Supply (40 employees, TCR 2.9) among 29 same-industry peers, split at the industry median of 38 employees and a TCR of 3.3

Johnston Supply has more employees than the Plumbing and heating valves merchant who 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 Fatalities
2024 5.1 5.1 2 0 0
2023 2.4 0.0 1 0 0
2022 4.7 2.4 2 0 0
2021 2.4 2.4 1 0 0
2018 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

423720 · OH · Marion

853 Plumbing and heating valves merchant wholesalers employers nationwide with a credible TCR · 22,650 rated employers in Ohio with headcount on file · 113 employers in Marion, OH · 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 WinSupply W Sioux Falls SD Co 2.9 TCR
NAICS-TCR Kansas City Winwater 2.9 TCR
NAICS-TCR 223 2.9 TCR
NAICS-TCR API Oregon 2.9 TCR
STATE-SIZE Croton Pullet 2 40 FTE
STATE-SIZE Chemsteel Construction Company 40 FTE
STATE-SIZE BluSky Restoration Contractors Toledo 40 FTE
STATE-SIZE Summit Construction Company LLC (Akron) 40 FTE
CITY-NEAR Whirlpool-Marion Operations 2,470 FTE
CITY-NEAR Whirlpool 2,277 FTE
CITY-NEAR Marion General Hospital 2,036 FTE
CITY-NEAR United Church Homes, Inc. 1,377 FTE
NAT-TCR Viking Materials Franklin Park 2.9 TCR
NAT-TCR McCoy Construction & Forestry - Merrill 2.9 TCR
NAT-TCR KAG West 52037 San Diego 2.9 TCR
NAT-TCR McNamara Contracting, Inc 2.9 TCR
NAT-SIZE POSCO AAPC LLC Indiana 40 FTE
NAT-SIZE Rome 40 FTE
NAT-SIZE United Flooring, Inc. 40 FTE
NAT-SIZE Kimberly-Clark Corp Prototype X Mill 40 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, 2021, 2018. 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.