Investment castings, steel, unfinished, manufacturing · New Hampshire

K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting

Rochester, NH · ~106 workers · 8 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.7
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting runs at 144% of its industry's injury rate - more dangerous than the typical Investment castings, steel, unfinished, manufacturing workplace, earning a grade D.

K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting: 4.7 TCR = 144% of Investment castings, steel, unfinished, manufacturing BLS 3.3 · 8y Form 300A (see methodology below)

K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting safety composite

K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 31%), 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

41/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.74 per 100 workers

Safer than 45% of industry peers

DART rate
F 2.78 per 100 workers

Safer than 31% 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

−6.7

2016→2024

K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting injury rate improved

K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting's TCR fell 6.7 from 12.3 in 2016 to 5.6 in 2024. Peak filing year was 2016 at 12.3 TCR. In 2024, DART was 0.59× this establishment's average TCR (severity share of cases).

2016=12.3 · 2017=4.5 · 2018=2.6 · 2019=2.5 · 2020=8.0 · 2022=2.5 · 2023=0.0 · 2024=5.6

OSHA ITA Form 300A scorecard

Establishment book 331512 · Rochester, NH ABOVE-IND · MID

Grade D · TCR 4.7 · 144% of ind

  • DART 2.8 DART
  • RANK #5/9
  • PHOTO Invest Cast, Inc - S…
  • BOOK 8y book
  • INJ 42 inj
  • SIZE ~106 FTE

Nearest TCR peer: Invest Cast, Inc - South (0.0 TCR gap)

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

K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting in the TCR neighbourhood

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

TCR

What this shows K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting averages 4.7 TCR (144% of the Investment castings, steel, unfinished, manufacturing BLS benchmark).

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

K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting TCR series: 2016=12.3 · 2017=4.5 · 2018=2.6 · 2019=2.5 · 2020=8 · 2022=2.5 · 2023=0 · 2024=5.6 · BLS 3.3

Where K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting falls in its industry

89 Investment castings, steel, un establishments

Safer than 45% of graded establishments in this industry, whose median TCR is 4.1.

More dangerous than peersSafer than peers

Narrower to New Hampshire alone (the establishments it most directly competes with for workers and contracts): ranked #5 safest of 9 Investment castings, steel, un employers in New Hampshire.

K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting (106 employees, TCR 4.7) among 29 same-industry peers, split at the industry median of 94 employees and a TCR of 4.1 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 0510152025 Average employees Total Case Rate K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting
K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting (106 employees, TCR 4.7) among 29 same-industry peers, split at the industry median of 94 employees and a TCR of 4.1

K.W. Thompson Tool Co. Inc. dba Thompson Investment Casting has more employees than the Investment castings, steel, unfinished, median and a higher injury rate than the industry's median TCR of 4.1. 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 5.6 2.8 3 1 0
2023 0.0 0.0 0 0 0
2022 2.5 2.5 3 0 0
2020 8.0 7.0 6 2 0
2019 2.5 0.0 2 0 0
2018 2.6 1.3 2 0 0
2017 4.5 1.8 5 0 0
2016 12.3 5.3 21 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

331512 · NH · Rochester

89 Investment castings, steel, unfinished, manufacturing employers nationwide with a credible TCR · 2,718 rated employers in New Hampshire with headcount on file · 65 employers in Rochester, 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 Invest Cast, Inc - South 4.7 TCR
NAICS-TCR Yamaha 4.8 TCR
NAICS-TCR Lamothermic Corporation 4.9 TCR
NAICS-TCR PCC Structurals 4.6 TCR
STATE-SIZE New England Mechanical Overlay 106 FTE
STATE-SIZE GC Manchester, NH 106 FTE
STATE-SIZE NDX H and O 106 FTE
STATE-SIZE Maroun Landscaping Inc 106 FTE
CITY-NEAR Frisbie Memorial Hospital 463 FTE
CITY-NEAR Eastern Propane & Oil 457 FTE
CITY-NEAR Sig Sauer (Rochester) 448 FTE
CITY-NEAR WM 2330 384 FTE
NAT-TCR Pyrotek Cortland 4.7 TCR
NAT-TCR JMS Russel Metals Corp - Trenton 4.7 TCR
NAT-TCR Bowhead Marine Support Services 4.7 TCR
NAT-TCR Warrenville 4.7 TCR
NAT-SIZE Medilodge of Monroe 106 FTE
NAT-SIZE HES Indy Plant 106 FTE
NAT-SIZE Restrictor Group 106 FTE
NAT-SIZE Shelton Intermediate School 106 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, 2020, 2019, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.