Other Building Material Dealers · New Hampshire

L&W Supply Co Inc, 7396 Merrimack, NH

Merrimack, NH · ~24 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
7.8
Avg TCR
3.4
Industry avg
0
Fatalities
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The verdict

L&W Supply Co Inc, 7396 Merrimack, NH runs at 231% of its industry's injury rate - far more dangerous than the typical Other Building Material Dealers workplace, earning a grade F.

L&W Supply Co Inc, 7396 Merrimack, NH: 7.8 TCR = 231% of Other Building Material Dealers BLS 3.4 · 2y Form 300A (see methodology below)

L&W Supply Co Inc, 7396 Merrimack, NH safety composite

L&W Supply Co Inc, 7396 Merrimack, NH scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 5%), 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

26/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 7.84 per 100 workers

Safer than 29% of industry peers

DART rate
F 15.69 per 100 workers

Safer than 5% 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

L&W Supply Co Inc, 7396 Merrimack, NH: 0.0 → 15.7 TCR

Peak year 2022 @ 15.7 TCR · DART/TCR 2× in 2022

L&W Supply Co Inc, 7396 Merrimack, NH's TCR rose 15.7 from 0.0 in 2021 to 15.7 in 2022. In 2022, DART was 2× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 444190 · Merrimack, NH ABOVE-IND · SMALL

Grade F · TCR 7.8 · 231% of ind

  • DART 15.7 DART
  • RANK #10/14
  • PHOTO T.H. Guerry Lumber C…
  • BOOK 2y book
  • INJ 4 inj
  • SIZE ~24 FTE

Nearest TCR peer: T.H. Guerry Lumber Company Inc. (0.0 TCR gap)

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

L&W Supply Co Inc, 7396 Merrimack, NH in the TCR neighbourhood

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

TCR

What this shows L&W Supply Co Inc, 7396 Merrimack, NH averages 7.8 TCR (231% of the Other Building Material Dealers BLS benchmark).

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

L&W Supply Co Inc, 7396 Merrimack, NH TCR series: 2021=0 · 2022=15.7 · BLS 3.4

Where L&W Supply Co Inc, 7396 Merrimack, NH falls in its industry

1,643 Other Building Material Dealer establishments

Safer than 29% of graded establishments in this industry, whose median TCR is 5.2.

More dangerous than peersSafer than peers

Narrower to New Hampshire alone (the establishments it most directly competes with for workers and contracts): ranked #10 safest of 14 Other Building Material Dealer employers in New Hampshire.

L&W Supply Co Inc, 7396 Merrimack, NH (24 employees, TCR 7.8) among 29 same-industry peers, split at the industry median of 35 employees and a TCR of 5.2 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 050100150200 0510152025 Average employees Total Case Rate L&W Supply Co Inc, 7396 Merrimack, NH
L&W Supply Co Inc, 7396 Merrimack, NH (24 employees, TCR 7.8) among 29 same-industry peers, split at the industry median of 35 employees and a TCR of 5.2

L&W Supply Co Inc, 7396 Merrimack, NH has fewer employees than the Other Building Material Dealers median and a higher injury rate than the industry's median TCR of 5.2. 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
2022 15.7 15.7 4 0 0
2021 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

444190 · NH · Merrimack

1,643 Other Building Material Dealers employers nationwide with a credible TCR · 2,718 rated employers in New Hampshire with headcount on file · 53 employers in Merrimack, 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 T.H. Guerry Lumber Company Inc. 7.8 TCR
NAICS-TCR LaValley Building Supply 7.8 TCR
NAICS-TCR Superior Roof Metals II 7.8 TCR
NAICS-TCR RBS - NORTH FT MYERS 7.8 TCR
STATE-SIZE Granite Ridge Energy Center 24 FTE
STATE-SIZE Eversource - Derry 24 FTE
STATE-SIZE New Hampshire Electric Cooperative Pemi 24 FTE
STATE-SIZE Eversource - Newport 24 FTE
CITY-NEAR PC Connection Inc Merrimack 1,339 FTE
CITY-NEAR BAE Systems Electronic Systems MER 1,162 FTE
CITY-NEAR Merrimack 730 1,123 FTE
CITY-NEAR ConnCorpOff 915 FTE
NAT-TCR 2073-SW-20730067-IF 7.8 TCR
NAT-TCR 1700 Woodbourne Road 7.8 TCR
NAT-TCR Speed - CPS 7.8 TCR
NAT-TCR Western Reserve Healthcare and Rehabilitation Center 7.8 TCR
NAT-SIZE Jefferson Plant 32 24 FTE
NAT-SIZE GWR Distribution 24 FTE
NAT-SIZE Titusville Clinic 24 FTE
NAT-SIZE PSJ Clinic 24 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: 2022, 2021. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.