Plumbing contractors · Pennsylvania

Big Diehl Plumbing

Johnstown, PA · ~23 workers · 2 years of OSHA Injury Tracking Application data.

C
Average Safety Record
2.5
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Big Diehl Plumbing runs at 89% of its industry's injury rate - about level with the typical Plumbing contractors workplace, earning a grade C.

Big Diehl Plumbing: 2.5 TCR = 89% of Plumbing contractors BLS 2.8 · 2y Form 300A (see methodology below)

Big Diehl Plumbing safety composite

Big Diehl Plumbing scores strongest on total case rate (tcr) (safer than 60% of same-industry peers) and weakest on dart rate (safer than 16%), 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

42/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 2.5 per 100 workers

Safer than 60% of industry peers

DART rate
F 5.01 per 100 workers

Safer than 16% 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

Big Diehl Plumbing: 0.0 → 5.0 TCR

Peak year 2024 @ 5.0 TCR · DART/TCR 2× in 2024

Big Diehl Plumbing's TCR rose 5.0 from 0.0 in 2023 to 5.0 in 2024. In 2024, DART was 2× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238220 · Johnstown, PA AT/BELOW-IND · SMALL

Grade C · TCR 2.5 · 89% of ind

  • DART 5.0 DART
  • RANK #84/268
  • PHOTO Comfort Systems USA …
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~23 FTE

Nearest TCR peer: Comfort Systems USA Arkansas (0.0 TCR gap)

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

Big Diehl Plumbing in the TCR neighbourhood

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

TCR

What this shows Big Diehl Plumbing averages 2.5 TCR (89% of the Plumbing contractors BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-09-26

Big Diehl Plumbing TCR series: 2023=0 · 2024=5 · BLS 2.8

Where Big Diehl Plumbing falls in its industry

5,793 Plumbing contractors establishments

Safer than 60% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers

Narrower to Pennsylvania alone (the establishments it most directly competes with for workers and contracts): ranked #84 safest of 268 Plumbing contractors employers in Pennsylvania.

Big Diehl Plumbing (23 employees, TCR 2.5) among 29 same-industry peers, split at the industry median of 60 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 050100150200250 05101520 Average employees Total Case Rate Big Diehl Plumbing
Big Diehl Plumbing (23 employees, TCR 2.5) among 29 same-industry peers, split at the industry median of 60 employees and a TCR of 3.3

Big Diehl Plumbing has fewer 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 Fatalities
2024 5.0 5.0 1 0 0
2023 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238220 · PA · Johnstown

5,793 Plumbing contractors employers nationwide with a credible TCR · 22,692 rated employers in Pennsylvania with headcount on file · 129 employers in Johnstown, PA · 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 Comfort Systems USA Arkansas 2.5 TCR
NAICS-TCR Limbach - New England 2.5 TCR
NAICS-TCR Integrated Facility Services 2.5 TCR
NAICS-TCR Accurate Mechanical Contractors, Inc. 2.5 TCR
STATE-SIZE Venango Steel, Inc. 23 FTE
STATE-SIZE 421 Fre80 23 FTE
STATE-SIZE PA-YORK01-York - PA - Ettline -Transportation 23 FTE
STATE-SIZE 811 - Warehouse - PA 23 FTE
CITY-NEAR Conemaugh Memorial Medical Center 2,955 FTE
CITY-NEAR DLP CONEMAUGH MEMORIAL MEDICAL CENTER LLC 2,243 FTE
CITY-NEAR DLP CONEMAUGH PHYSICIAN PRACTICES LLC 591 FTE
CITY-NEAR Conemaugh Physicians Practices 534 FTE
NAT-TCR Schenectady 10229 2.5 TCR
NAT-TCR Alluxa Inc. 2.5 TCR
NAT-TCR Seaman Corporation 2.5 TCR
NAT-TCR Continuing Healthcare Forest Hills LLC 2.5 TCR
NAT-SIZE Brown County Construction 23 FTE
NAT-SIZE Rossman Apiaries LLC 23 FTE
NAT-SIZE Families in Recovery Program 23 FTE
NAT-SIZE S.P. Richards Boston 23 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. 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.