Employer · New Hampshire

S03821 - WM of NH - Londonderry

Londonderry, NH · ~103 workers · 9 years of OSHA Injury Tracking Application data.

C
Average Safety Record
5.0
Avg TCR
4.5
Industry avg
0
Fatalities
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The verdict

S03821 - WM of NH - Londonderry runs at 112% of its industry's injury rate - about level with the typical industry workplace, earning a grade C.

S03821 - WM of NH - Londonderry: 5.0 TCR = 112% of industry BLS 4.5 · 9y Form 300A (see methodology below)

S03821 - WM of NH - Londonderry safety composite

S03821 - WM of NH - Londonderry scores strongest on fatalities (safer than 53% of same-industry peers) and weakest on dart rate (safer than 13%), 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

29/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 5.05 per 100 workers

Safer than 28% of industry peers

DART rate
F 6.2 per 100 workers

Safer than 13% of industry peers

Fatalities
D 0

Safer than 53% 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

S03821 - WM of NH - Londonderry: 5.0 → 6.2 TCR

Peak year 2018 @ 8.5 TCR · DART/TCR 1.23× in 2024

S03821 - WM of NH - Londonderry's TCR rose 1.2 from 5.0 in 2016 to 6.2 in 2024. Peak filing year was 2018 at 8.5 TCR. In 2024, DART was 1.23× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 484230 · Londonderry, NH ABOVE-IND · MID

Grade C · TCR 5.0 · 112% of ind

  • DART 6.2 DART
  • RANK P28
  • PHOTO DMT Starke, FL
  • BOOK 9y book
  • INJ 40 inj
  • SIZE ~103 FTE

Nearest TCR peer: DMT Starke, FL (0.0 TCR gap)

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S03821 - WM of NH - Londonderry in the TCR neighbourhood

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

TCR

What this shows S03821 - WM of NH - Londonderry averages 5.0 TCR (112% of the industry BLS benchmark).

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

S03821 - WM of NH - Londonderry TCR series: 2016=5 · 2017=1 · 2018=8.5 · 2019=6.3 · 2020=4.6 · 2021=3.8 · 2022=5.9 · 2023=4 · 2024=6.2 · BLS 4.5

Where S03821 - WM of NH - Londonderry falls in its industry

1,026 industry establishments

Safer than 28% of graded establishments in this industry, whose median TCR is 3.2.

More dangerous than peersSafer than peers
S03821 - WM of NH - Londonderry (103 employees, TCR 5.0) among 29 same-industry peers, split at the industry median of 45 employees and a TCR of 3.2 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 0200400600800 051015 Average employees Total Case Rate S03821 - WM of NH - Londonderry
S03821 - WM of NH - Londonderry (103 employees, TCR 5.0) among 29 same-industry peers, split at the industry median of 45 employees and a TCR of 3.2

S03821 - WM of NH - Londonderry has more employees than the industry median and a higher injury rate than the industry's median TCR of 3.2. 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 6.2 6.2 6 0 0
2023 4.0 4.0 4 0 0
2022 5.9 5.9 6 0 0
2021 3.8 2.9 4 0 0
2020 4.6 2.8 5 0 0
2019 6.3 5.4 6 1 0
2018 8.5 0.0 3 6 0
2017 1.0 1.0 1 0 0
2016 5.0 4.0 5 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

484230 · NH · Londonderry

1,026 industry employers nationwide with a credible TCR · 2,718 rated employers in New Hampshire with headcount on file · 105 employers in Londonderry, 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 DMT Starke, FL 5.0 TCR
NAICS-TCR Red Mountain Transportation, LLC 5.0 TCR
NAICS-TCR DMT Trucking Broken Bow, OK 5.1 TCR
NAICS-TCR MCK Huntsville 5.1 TCR
STATE-SIZE Grattan Line Construction 103 FTE
STATE-SIZE Pfeiffer Vacuum Nashua 103 FTE
STATE-SIZE 1A Auto NH 103 FTE
STATE-SIZE 3401 LONDONDERRY 103 FTE
CITY-NEAR L3Harris 893 FTE
CITY-NEAR L3 Technologies, Insight Division 857 FTE
CITY-NEAR HARVEY BUILDING PRODUCTS, LONDONDERRY NH 532 FTE
CITY-NEAR Market Basket #42 524 FTE
NAT-TCR Sioux Falls SD Yard 5.0 TCR
NAT-TCR Farmward - Morgan 5.0 TCR
NAT-TCR Penbryn 5.0 TCR
NAT-TCR Santa Fe Service Center 5.0 TCR
NAT-SIZE Washington Elementary School 103 FTE
NAT-SIZE S04290 - Camp Hill 103 FTE
NAT-SIZE Ken Garner Manufacturing 103 FTE
NAT-SIZE East Point 103 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, 2020, 2019, 2018, 2017, 2016. 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.