Roof membrane installation · Delaware

H K Griffith Inc

Newark, DE · ~42 workers · 6 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.4
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

H K Griffith Inc runs at 14% of its industry's injury rate - far safer than the typical Roof membrane installation workplace, earning a grade A.

H K Griffith Inc: 0.4 TCR = 14% of Roof membrane installation BLS 2.8 · 6y Form 300A (see methodology below)

H K Griffith Inc safety composite

H K Griffith Inc scores strongest on total case rate (tcr) (safer than 99% of same-industry peers) and weakest on fatalities (safer than 51%), 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).

B

80/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
A 0.4 per 100 workers

Safer than 99% of industry peers

DART rate
B 0 per 100 workers

Safer than 79% 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

H K Griffith Inc: 0.0 → 2.4 TCR

Peak year 2024 @ 2.4 TCR · DART/TCR 0× in 2024

H K Griffith Inc's TCR rose 2.4 from 0.0 in 2018 to 2.4 in 2024. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238160 · Newark, DE AT/BELOW-IND · SMALL

Grade A · TCR 0.4 · 14% of ind

  • DART 0.0 DART
  • RANK P99
  • PHOTO Sika Illinois
  • BOOK 6y book
  • INJ 1 inj
  • SIZE ~42 FTE

Nearest TCR peer: Sika Illinois (0.0 TCR gap)

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H K Griffith Inc in the TCR neighbourhood

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

TCR

What this shows H K Griffith Inc averages 0.4 TCR (14% of the Roof membrane installation BLS benchmark).

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

H K Griffith Inc TCR series: 2018=0 · 2020=0 · 2021=0 · 2022=0 · 2023=0 · 2024=2.4 · BLS 2.8

Where H K Griffith Inc falls in its industry

1,723 Roof membrane installation establishments

Safer than 99% of graded establishments in this industry, whose median TCR is 3.7.

More dangerous than peersSafer than peers
H K Griffith Inc (42 employees, TCR 0.4) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7 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 050100150 0102030 Average employees Total Case Rate H K Griffith Inc
H K Griffith Inc (42 employees, TCR 0.4) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7

H K Griffith Inc has fewer employees than the Roof membrane installation median and a lower injury rate than the industry's median TCR of 3.7. 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 2.4 0.0 1 0 0
2023 0.0 0.0 0 0 0
2022 0.0 0.0 0 0 0
2021 0.0 0.0 0 0 0
2020 0.0 0.0 0 0 0
2018 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238160 · DE · Newark

1,723 Roof membrane installation employers nationwide with a credible TCR · 1,487 rated employers in Delaware with headcount on file · 221 employers in Newark, DE · 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 Sika Illinois 0.4 TCR
NAICS-TCR 5110 0.4 TCR
NAICS-TCR Aspen Contracting Inc 0.4 TCR
NAICS-TCR Lehman Roofing, Inc 0.4 TCR
STATE-SIZE Kenny Brothers Produce, LLC 42 FTE
STATE-SIZE Schiff Farms Inc 42 FTE
STATE-SIZE Kent Construction Co 42 FTE
STATE-SIZE Sam's Construction LLC 42 FTE
CITY-NEAR 50 Christiana 11,420 FTE
CITY-NEAR Newark Site 1,462 FTE
CITY-NEAR DE00000042 GOODWILL INDUSTRIES - NEWARK 1,028 FTE
CITY-NEAR DuPont Electronic Materials 653 FTE
NAT-TCR IT Gov Plaza 0.4 TCR
NAT-TCR Rheem Manufacturing Fort Smith 0.4 TCR
NAT-TCR Classic Sheet Metal Inc 0.4 TCR
NAT-TCR Marki Microwave Inc 0.4 TCR
NAT-SIZE Northbank Civil and Marine Inc. 42 FTE
NAT-SIZE United Communities-Maintenance 42 FTE
NAT-SIZE ROTHA Contracting Company, Inc. 42 FTE
NAT-SIZE Roehrenbeck Electric, Inc. 42 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, 2018. 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.