Employer · Connecticut

MARMC US CT Groton CT CT992

Groton, CT · ~29 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
1.7
Avg TCR
0.5
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

MARMC US CT Groton CT CT992 runs at 332% of its industry's injury rate - far more dangerous than the typical industry workplace, earning a grade F.

MARMC US CT Groton CT CT992: 1.7 TCR = 332% of industry BLS 0.5 · 2y Form 300A (see methodology below)

MARMC US CT Groton CT CT992 safety composite

MARMC US CT Groton CT CT992 scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 9%), 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 1.66 per 100 workers

Safer than 32% of industry peers

DART rate
F 3.32 per 100 workers

Safer than 9% 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

MARMC US CT Groton CT CT992: 0.0 → 3.3 TCR

Peak year 2024 @ 3.3 TCR · DART/TCR 2× in 2024

MARMC US CT Groton CT CT992's TCR rose 3.3 from 0.0 in 2023 to 3.3 in 2024. In 2024, DART was 2× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 541330 · Groton, CT ABOVE-IND · SMALL

Grade F · TCR 1.7 · 332% of ind

  • DART 3.3 DART
  • RANK #7/8
  • PHOTO Crown Iron Works
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~29 FTE

Nearest TCR peer: Crown Iron Works (0.0 TCR gap)

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

MARMC US CT Groton CT CT992 in the TCR neighbourhood

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

TCR

What this shows MARMC US CT Groton CT CT992 averages 1.7 TCR (332% of the industry BLS benchmark).

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

MARMC US CT Groton CT CT992 TCR series: 2023=0 · 2024=3.3 · BLS 0.5

Where MARMC US CT Groton CT CT992 falls in its industry

690 industry establishments

Safer than 32% of graded establishments in this industry, whose median TCR is 0.9.

More dangerous than peersSafer than peers

Narrower to Connecticut alone (the establishments it most directly competes with for workers and contracts): ranked #7 safest of 8 industry employers in Connecticut.

MARMC US CT Groton CT CT992 (29 employees, TCR 1.7) among 29 same-industry peers, split at the industry median of 112 employees and a TCR of 0.9 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 01,0002,0003,0004,000 051015 Average employees Total Case Rate MARMC US CT Groton CT CT992
MARMC US CT Groton CT CT992 (29 employees, TCR 1.7) among 29 same-industry peers, split at the industry median of 112 employees and a TCR of 0.9

MARMC US CT Groton CT CT992 has fewer employees than the industry median and a higher injury rate than the industry's median TCR of 0.9. 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 3.3 3.3 1 0 0
2023 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

541330 · CT · Groton

690 industry employers nationwide with a credible TCR · 7,008 rated employers in Connecticut with headcount on file · 67 employers in Groton, 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 Crown Iron Works 1.7 TCR
NAICS-TCR Sterling Heights, MI 1.6 TCR
NAICS-TCR Minot Enterprises 1.6 TCR
NAICS-TCR AeroSpec Inc 1.7 TCR
STATE-SIZE First Taxing District Water Department Treatment Plant 29 FTE
STATE-SIZE Jacobs - Norwalk - OMI 29 FTE
STATE-SIZE Cocchiola Paving, Inc. 29 FTE
STATE-SIZE Public Works - Streets amd Roads 29 FTE
CITY-NEAR Electric Boat, Groton, CT. 15,116 FTE
CITY-NEAR General Dynamics Electric Boat 12,075 FTE
CITY-NEAR Pfizer Inc 3,201 FTE
CITY-NEAR University of Connecticut- Avery Point Campus 314 FTE
NAT-TCR Lee Company 1.7 TCR
NAT-TCR Klinger Constructors LLC. 1.7 TCR
NAT-TCR Treesmiths LLC. 1.7 TCR
NAT-TCR DAC International 1.7 TCR
NAT-SIZE Muskegon County Jail 29 FTE
NAT-SIZE The Scotts Company - Provo 29 FTE
NAT-SIZE Sodexo at Sharp Chula Vista Cafe 29 FTE
NAT-SIZE Tucker Columbia 29 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. 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.