Ethanol, nonpotable, manufacturing · Iowa

Plymouth Energy LLC

Merrill, IA · ~37 workers · 6 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.9
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Plymouth Energy LLC runs at 179% of its industry's injury rate - more dangerous than the typical Ethanol, nonpotable, manufacturing workplace, earning a grade D.

Plymouth Energy LLC: 5.9 TCR = 179% of Ethanol, nonpotable, manufacturing BLS 3.3 · 6y Form 300A (see methodology below)

Plymouth Energy LLC safety composite

Plymouth Energy LLC 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

22/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 5.92 per 100 workers

Safer than 15% of industry peers

DART rate
F 4.69 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%).

TCR Δ

−5.2

2016→2024

Plymouth Energy LLC injury rate improved

Plymouth Energy LLC's TCR fell 5.2 from 9.9 in 2016 to 4.7 in 2024. Peak filing year was 2016 at 9.9 TCR. In 2024, DART was 0.79× this establishment's average TCR (severity share of cases).

2016=9.9 · 2019=2.9 · 2020=4.2 · 2021=8.9 · 2023=4.9 · 2024=4.7

OSHA ITA Form 300A scorecard

Establishment book 325193 · Merrill, IA ABOVE-IND · SMALL

Grade D · TCR 5.9 · 179% of ind

  • DART 4.7 DART
  • RANK #42/49
  • PHOTO Aztalan Bio LLC
  • BOOK 6y book
  • INJ 13 inj
  • SIZE ~37 FTE

Nearest TCR peer: Aztalan Bio LLC (0.0 TCR gap)

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

Plymouth Energy LLC in the TCR neighbourhood

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

TCR

What this shows Plymouth Energy LLC averages 5.9 TCR (179% of the Ethanol, nonpotable, manufacturing BLS benchmark).

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

Plymouth Energy LLC TCR series: 2016=9.9 · 2019=2.9 · 2020=4.2 · 2021=8.9 · 2023=4.9 · 2024=4.7 · BLS 3.3

Where Plymouth Energy LLC falls in its industry

228 Ethanol, nonpotable, manufactu establishments

Safer than 15% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #42 safest of 49 Ethanol, nonpotable, manufactu employers in Iowa.

Plymouth Energy LLC (37 employees, TCR 5.9) among 29 same-industry peers, split at the industry median of 47 employees and a TCR of 3.0 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 0100200300 051015 Average employees Total Case Rate Plymouth Energy LLC
Plymouth Energy LLC (37 employees, TCR 5.9) among 29 same-industry peers, split at the industry median of 47 employees and a TCR of 3.0

Plymouth Energy LLC has fewer employees than the Ethanol, nonpotable, manufacturing median and a higher injury rate than the industry's median TCR of 3.0. 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 4.7 4.7 2 0 0
2023 4.9 2.4 4 0 0
2021 8.9 4.5 1 1 0
2020 4.2 4.2 1 0 0
2019 2.9 2.9 1 0 0
2016 9.9 9.9 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

325193 · IA · Merrill

228 Ethanol, nonpotable, manufacturing employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 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 Aztalan Bio LLC 6.0 TCR
NAICS-TCR Husker Ag LLC 5.9 TCR
NAICS-TCR Lincolnway Energy, LLC 6.0 TCR
NAICS-TCR Quad County Corn Processors 6.0 TCR
STATE-SIZE Rockwell City Warehouse 37 FTE
STATE-SIZE Sioux County Egg 37 FTE
STATE-SIZE OSI Gen Repair & Svc Wind Plt 37 FTE
STATE-SIZE BHE - Lawrence (KS009) 37 FTE
NAT-TCR Bridgeport #454 5.9 TCR
NAT-TCR Cairo 5.9 TCR
NAT-TCR USA FL Orlando Commercial 704328 5.9 TCR
NAT-TCR The Mirror Lake Inn Resort & Spa 5.9 TCR
NAT-SIZE Geary Electric Inc 37 FTE
NAT-SIZE Guilford County Court Alternatives - Juvenile Detention 37 FTE
NAT-SIZE RAM 37 FTE
NAT-SIZE UCC Group Southeast 37 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, 2021, 2020, 2019, 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.