Bits, rock drill, underground mining-type, manufacturing · Connecticut

Numa Tool Company

Thompson, CT · ~63 workers · 9 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.7
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Numa Tool Company runs at 172% of its industry's injury rate - more dangerous than the typical Bits, rock drill, underground mining-type, manufacturing workplace, earning a grade D.

Numa Tool Company: 5.7 TCR = 172% of Bits, rock drill, underground mining-type, manufacturing BLS 3.3 · 9y Form 300A (see methodology below)

Numa Tool Company safety composite

Numa Tool Company scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 7%), 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 5.67 per 100 workers

Safer than 27% of industry peers

DART rate
F 7.8 per 100 workers

Safer than 7% 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

Numa Tool Company: 4.2 → 7.8 TCR

Peak year 2020 @ 8.8 TCR · DART/TCR 1.38× in 2024

Numa Tool Company's TCR rose 3.6 from 4.2 in 2016 to 7.8 in 2024. Peak filing year was 2020 at 8.8 TCR. In 2024, DART was 1.38× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 333131 · Thompson, CT ABOVE-IND · SMALL

Grade D · TCR 5.7 · 172% of ind

  • DART 7.8 DART
  • RANK P27
  • PHOTO Birtley Industrial E…
  • BOOK 9y book
  • INJ 32 inj
  • SIZE ~63 FTE

Nearest TCR peer: Birtley Industrial Equipment Corp. (0.1 TCR gap)

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

Numa Tool Company in the TCR neighbourhood

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

TCR

What this shows Numa Tool Company averages 5.7 TCR (172% of the Bits, rock drill, underground mining-type, manufacturing BLS benchmark).

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

Numa Tool Company TCR series: 2016=4.2 · 2017=5.7 · 2018=5.5 · 2019=5.4 · 2020=8.8 · 2021=6 · 2022=1.5 · 2023=6 · 2024=7.8 · BLS 3.3

Where Numa Tool Company falls in its industry

105 Bits, rock drill, underground establishments

Safer than 27% of graded establishments in this industry, whose median TCR is 3.3.

More dangerous than peersSafer than peers
Numa Tool Company (63 employees, TCR 5.7) among 29 same-industry peers, split at the industry median of 80 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 0200400600800 05101520 Average employees Total Case Rate Numa Tool Company
Numa Tool Company (63 employees, TCR 5.7) among 29 same-industry peers, split at the industry median of 80 employees and a TCR of 3.3

Numa Tool Company has fewer employees than the Bits, rock drill, underground mining-typ 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 7.8 7.8 5 0 0
2023 6.0 1.5 4 0 0
2022 1.5 1.5 1 0 0
2021 6.0 3.0 2 2 0
2020 8.8 5.9 6 0 0
2019 5.4 4.0 4 0 0
2018 5.5 5.5 4 0 0
2017 5.7 4.3 4 0 0
2016 4.2 1.4 2 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

333131 · CT · Thompson

105 Bits, rock drill, underground mining-type, manufacturing employers nationwide with a credible TCR · 7,008 rated employers in Connecticut with headcount on file · 4 employers in Thompson, CT · 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 Birtley Industrial Equipment Corp. 5.6 TCR
NAICS-TCR Townley Engineering 5.6 TCR
NAICS-TCR Superior Industries- Pekin 5.4 TCR
NAICS-TCR G Lopes Construction Inc 5.4 TCR
STATE-SIZE Public Works 63 FTE
STATE-SIZE Blakeslee Arpaia Chapman 63 FTE
STATE-SIZE Greenwood Industries CT 63 FTE
STATE-SIZE OSF FLAVORS INC. 63 FTE
CITY-NEAR LaFramboise Well Drilling, Inc. 33 FTE
CITY-NEAR Thornfield Hall, Inc 24 FTE
CITY-NEAR Ivanhoe Tool & Die Company, Inc. 23 FTE
NAT-TCR Select Specialty Hospital - Grosse Pointe, Inc 5.7 TCR
NAT-TCR Lee Building Products (Bowling Green) 5.7 TCR
NAT-TCR Viking Paper Corp. 5.7 TCR
NAT-TCR Arab Foodland 5.7 TCR
NAT-SIZE MAS 63 FTE
NAT-SIZE AGP, Inc. 63 FTE
NAT-SIZE Rds Machine, LLC 63 FTE
NAT-SIZE Benson Construction, Inc. 63 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.