Dental Laboratories · New Hampshire

Ndx H&O Dental Laboratory

Manchester, NH · ~65 workers · 4 years of OSHA Injury Tracking Application data.

C
Average Safety Record
3.5
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Ndx H&O Dental Laboratory runs at 106% of its industry's injury rate - about level with the typical Dental Laboratories workplace, earning a grade C.

Ndx H&O Dental Laboratory: 3.5 TCR = 106% of Dental Laboratories BLS 3.3 · 4y Form 300A (see methodology below)

Ndx H&O Dental Laboratory safety composite

Ndx H&O Dental Laboratory scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 12%), 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 3.49 per 100 workers

Safer than 30% of industry peers

DART rate
F 5.2 per 100 workers

Safer than 12% 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

Ndx H&O Dental Laboratory: 0.0 → 7.8 TCR

Peak year 2023 @ 7.8 TCR · DART/TCR 1.49× in 2023

Ndx H&O Dental Laboratory's TCR rose 7.8 from 0.0 in 2020 to 7.8 in 2023. In 2023, DART was 1.49× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 339116 · Manchester, NH ABOVE-IND · SMALL

Grade C · TCR 3.5 · 106% of ind

  • DART 5.2 DART
  • RANK P30
  • PHOTO NDX THAYER DENTAL LAB
  • BOOK 4y book
  • INJ 5 inj
  • SIZE ~65 FTE

Nearest TCR peer: NDX THAYER DENTAL LAB (0.1 TCR gap)

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

Ndx H&O Dental Laboratory in the TCR neighbourhood

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

TCR

What this shows Ndx H&O Dental Laboratory averages 3.5 TCR (106% of the Dental Laboratories BLS benchmark).

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

Ndx H&O Dental Laboratory TCR series: 2020=0 · 2021=2 · 2022=4.2 · 2023=7.8 · BLS 3.3

Where Ndx H&O Dental Laboratory falls in its industry

184 Dental Laboratories establishments

Safer than 30% of graded establishments in this industry, whose median TCR is 2.6.

More dangerous than peersSafer than peers
Ndx H&O Dental Laboratory (65 employees, TCR 3.5) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 2.6 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 05001,0001,500 02468 Average employees Total Case Rate Ndx H&O Dental Laboratory
Ndx H&O Dental Laboratory (65 employees, TCR 3.5) among 29 same-industry peers, split at the industry median of 52 employees and a TCR of 2.6

Ndx H&O Dental Laboratory has more employees than the Dental Laboratories median and a higher injury rate than the industry's median TCR of 2.6. 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
2023 7.8 5.2 2 1 0
2022 4.2 4.2 2 0 0
2021 2.0 2.0 1 0 0
2020 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

339116 · NH · Manchester

184 Dental Laboratories employers nationwide with a credible TCR · 2,718 rated employers in New Hampshire with headcount on file · 253 employers in Manchester, 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 NDX THAYER DENTAL LAB 3.4 TCR
NAICS-TCR Peoria Lab 3.6 TCR
NAICS-TCR NDX ALBENSI 3.6 TCR
NAICS-TCR NDX DENTAL ART LABORATORIES 3.6 TCR
STATE-SIZE MRS BUDDS KITCHEN LLC 65 FTE
STATE-SIZE Admix, Inc. 65 FTE
STATE-SIZE M2 65 FTE
STATE-SIZE Corflex Global 65 FTE
CITY-NEAR Point32Health Manchester 4,440 FTE
CITY-NEAR Elliot Hospital 2,745 FTE
CITY-NEAR Catholic Medical Center 2,086 FTE
CITY-NEAR 15966 1,154 FTE
NAT-TCR Benz Oil LLC 3.5 TCR
NAT-TCR SM - Salem 3.5 TCR
NAT-TCR Brandon Wood Retirement Center 3.5 TCR
NAT-TCR Hartzell Propeller Composite 3.5 TCR
NAT-SIZE City of Virginia Public Utilities 65 FTE
NAT-SIZE KND Licensed Electrical Contracting & Services, Corp 65 FTE
NAT-SIZE ATI Windows 65 FTE
NAT-SIZE SPR Houston 65 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: 2023, 2022, 2021, 2020. 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.