Mechanical contractors · New Hampshire
Denron Plumbing & HVAC, LLC - South
Nashua, NH · ~53 workers · 3 years of OSHA Injury Tracking Application data.
- F
- Failing Safety Record
- 8.7
- Avg TCR
- 2.8
- Industry avg
- 0
- Fatalities
The verdict
Denron Plumbing & HVAC, LLC - South runs at 311% of its industry's injury rate - far more dangerous than the typical Mechanical contractors workplace, earning a grade F.
Denron Plumbing & HVAC, LLC - South: 8.7 TCR = 311% of Mechanical contractors BLS 2.8 · 3y Form 300A (see methodology below)
Denron Plumbing & HVAC, LLC - South safety composite
Denron Plumbing & HVAC, LLC - South scores strongest on dart rate (safer than 80% of same-industry peers) and weakest on total case rate (tcr) (safer than 14%), 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).
46/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- F 8.71 per 100 workers
Safer than 14% 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%).
TCR Δ
−11.1
2022→2024
Denron Plumbing & HVAC, LLC - South injury rate improved
Denron Plumbing & HVAC, LLC - South's TCR fell 11.1 from 11.1 in 2022 to 0.0 in 2024. Peak filing year was 2023 at 15.0 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).
2022=11.1 · 2023=15.0 · 2024=0.0
OSHA ITA Form 300A scorecard
Establishment book 238220 · Nashua, NH ABOVE-IND · SMALL
Grade F · TCR 8.7 · 311% of ind
- DART 0.0 DART
- RANK #25/31
- PHOTO J-Berd Mechanical Co…
- BOOK 3y book
- INJ 19 inj
- SIZE ~53 FTE
Nearest TCR peer: J-Berd Mechanical Contractors INC (0.0 TCR gap)
Read with this employer → · Industry book → · New Hampshire employers → · Look up another →
Denron Plumbing & HVAC, LLC - South in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Denron Plumbing & HVAC, LLC - South
8.7 TCR
- J-Berd Mechani
J-Berd Mechanical Contractors INC
8.7 TCR
- Advanced Plumb
Advanced Plumbing and Drain
8.7 TCR
- Koontz Heating
Koontz Heating & Air Conditioning, Inc
8.7 TCR
- Corley
Corley
8.7 TCR
What this shows Denron Plumbing & HVAC, LLC - South averages 8.7 TCR (311% of the Mechanical contractors BLS benchmark).
Denron Plumbing & HVAC, LLC - South TCR series: 2022=11.1 · 2023=15 · 2024=0 · BLS 2.8
Where Denron Plumbing & HVAC, LLC - South falls in its industry
5,793 Mechanical contractors establishmentsSafer than 14% of graded establishments in this industry, whose median TCR is 3.3.
Narrower to New Hampshire alone (the establishments it most directly competes with for workers and contracts): ranked #25 safest of 31 Mechanical contractors employers in New Hampshire.
Denron Plumbing & HVAC, LLC - South has fewer employees than the Mechanical 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 |
|---|---|---|---|---|---|
| 2024 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2023 | 15.0 | 10.5 | 10 | 0 | 0 |
| 2022 | 11.1 | 8.7 | 9 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
238220 · NH · Nashua
5,793 Mechanical contractors employers nationwide with a credible TCR · 2,718 rated employers in New Hampshire with headcount on file · 179 employers in Nashua, NH · 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 | J-Berd Mechanical Contractors INC | 8.7 TCR |
| NAICS-TCR | Advanced Plumbing and Drain | 8.7 TCR |
| NAICS-TCR | Koontz Heating & Air Conditioning, Inc | 8.7 TCR |
| NAICS-TCR | Corley | 8.7 TCR |
| STATE-SIZE | Eversource - Tilton | 53 FTE |
| STATE-SIZE | Northern Utilities d/b/a Unitil | 53 FTE |
| STATE-SIZE | New England Boring Contractors | 53 FTE |
| STATE-SIZE | Label Tech, Inc. | 53 FTE |
| CITY-NEAR | BAE Systems Electronic Systems NHQ/MEC | 1,943 FTE |
| CITY-NEAR | Southern New Hampshire Medical Center | 1,737 FTE |
| CITY-NEAR | St Joseph Hospital | 1,515 FTE |
| CITY-NEAR | BAE Systems Electronic Systems NCA | 1,445 FTE |
| NAT-TCR | Lockridge Logistics LLC | 8.7 TCR |
| NAT-TCR | UAD | 8.7 TCR |
| NAT-TCR | Cimpl's, LLC | 8.7 TCR |
| NAT-TCR | Big R of Dumas, LLC. | 8.7 TCR |
| NAT-SIZE | 067-HUD | 53 FTE |
| NAT-SIZE | Sodexo at Csu San Marcos Res Dining | 53 FTE |
| NAT-SIZE | Everidge, LLC Andover | 53 FTE |
| NAT-SIZE | B.G. Trucking & Construction, Inc. | 53 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.