423720 Plumbing and Heating Equipment and Supplies Hydronics Merchant Wholesalers · Minnesota

3 - Duluth

Duluth, MN · ~33 workers · 3 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
9.1
Avg TCR
2.2
Industry avg
0
Fatalities
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The verdict

3 - Duluth runs at 411% of its industry's injury rate - far more dangerous than the typical 423720 Plumbing and Heating Equipment and Supplies Hydronics Merchant Wholesalers workplace, earning a grade F.

3 - Duluth: 9.1 TCR = 411% of 423720 Plumbing and Heating Equipment and Supplies Hydronics Merchant Wholesalers BLS 2.2 · 3y Form 300A (see methodology below)

3 - Duluth safety composite

3 - Duluth scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on total case rate (tcr) (safer than 7%), 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).

F

20/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 9.05 per 100 workers

Safer than 7% of industry peers

DART rate
F 6.49 per 100 workers

Safer than 12% 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%).

TCR Δ

−4.8

2021→2024

3 - Duluth injury rate improved

3 - Duluth's TCR fell 4.8 from 11.3 in 2021 to 6.5 in 2024. Peak filing year was 2021 at 11.3 TCR. In 2024, DART was 0.72× this establishment's average TCR (severity share of cases).

2021=11.3 · 2023=9.3 · 2024=6.5

OSHA ITA Form 300A scorecard

Establishment book 423720 · Duluth, MN ABOVE-IND · SMALL

Grade F · TCR 9.1 · 411% of ind

  • DART 6.5 DART
  • RANK #18/20
  • PHOTO Morsco Supply Co. #1…
  • BOOK 3y book
  • INJ 9 inj
  • SIZE ~33 FTE

Nearest TCR peer: Morsco Supply Co. #1305/1310 (0.0 TCR gap)

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3 - Duluth in the TCR neighbourhood

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

TCR

What this shows 3 - Duluth averages 9.1 TCR (411% of the 423720 Plumbing and Heating Equipment and Supplies Hydronics Merchant Wholesalers BLS benchmark).

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

3 - Duluth TCR series: 2021=11.3 · 2023=9.3 · 2024=6.5 · BLS 2.2

Where 3 - Duluth falls in its industry

853 423720 Plumbing and Heating Eq establishments

Safer than 7% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Minnesota alone (the establishments it most directly competes with for workers and contracts): ranked #18 safest of 20 423720 Plumbing and Heating Eq employers in Minnesota.

3 - Duluth (33 employees, TCR 9.1) 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 3 - Duluth
3 - Duluth (33 employees, TCR 9.1) among 29 same-industry peers, split at the industry median of 38 employees and a TCR of 3.3

3 - Duluth has fewer employees than the 423720 Plumbing and Heating Equipment an 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
2024 6.5 6.5 2 0 0
2023 9.3 6.2 3 0 0
2021 11.3 0.0 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

423720 · MN · Duluth

853 423720 Plumbing and Heating Equipment and Supplies Hydronics Merchant Wholesalers employers nationwide with a credible TCR · 15,828 rated employers in Minnesota with headcount on file · 340 employers in Duluth, MN · 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 Morsco Supply Co. #1305/1310 9.0 TCR
NAICS-TCR SPS Companies, Inc - PipeFab MG 9.1 TCR
NAICS-TCR Todd Pipe and Supply, LLC 9.1 TCR
NAICS-TCR Plumb Supply Company - Davenport 9.0 TCR
STATE-SIZE Perham Egg LLC 33 FTE
STATE-SIZE Gorans Brothers Inc. 33 FTE
STATE-SIZE Las Vegas Raiders 17150004 33 FTE
STATE-SIZE Loeffler Construction & Consulting 33 FTE
CITY-NEAR St Mary's Medical Center 3,230 FTE
CITY-NEAR St. Luke's Hospital of Duluth 3,052 FTE
CITY-NEAR Building D-Miller Dwan Medical Center 1,880 FTE
CITY-NEAR University of Minnesota Duluth 1,701 FTE
NAT-TCR Conlan - Romulus Re'Trd 9.1 TCR
NAT-TCR Inspired Living Sun City 9.1 TCR
NAT-TCR 55373 Octa Para 9.1 TCR
NAT-TCR Innovative Plastics 9.1 TCR
NAT-SIZE Helfers Electric Company, Inc. 33 FTE
NAT-SIZE Canterfield of Ocala, LLC 33 FTE
NAT-SIZE Airmark Components, Inc. 33 FTE
NAT-SIZE Ram-Mar Painting Inc 33 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, 2021. 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.