Ethanol Manufacturing · Iowa

Green Plains Superior LLC

Superior, IA · ~46 workers · 9 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
6.1
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Green Plains Superior LLC runs at 184% of its industry's injury rate - more dangerous than the typical Ethanol Manufacturing workplace, earning a grade D.

Green Plains Superior LLC: 6.1 TCR = 184% of Ethanol Manufacturing BLS 3.3 · 9y Form 300A (see methodology below)

Green Plains Superior LLC safety composite

Green Plains Superior LLC scores strongest on dart rate (safer than 77% of same-industry peers) and weakest on total case rate (tcr) (safer than 13%), 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).

D

45/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 6.07 per 100 workers

Safer than 13% of industry peers

DART rate
B 0 per 100 workers

Safer than 77% 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

−6.2

2016→2024

Green Plains Superior LLC injury rate improved

Green Plains Superior LLC's TCR fell 6.2 from 6.2 in 2016 to 0.0 in 2024. Peak filing year was 2018 at 15.5 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2016=6.2 · 2017=8.1 · 2018=15.5 · 2019=7.1 · 2020=4.6 · 2021=2.3 · 2022=6.5 · 2023=4.4 · 2024=0.0

OSHA ITA Form 300A scorecard

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

Grade D · TCR 6.1 · 184% of ind

  • DART 0.0 DART
  • RANK #45/49
  • PHOTO Poet- Coon Rapids
  • BOOK 9y book
  • INJ 23 inj
  • SIZE ~46 FTE

Nearest TCR peer: Poet- Coon Rapids (0.0 TCR gap)

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

Green Plains Superior LLC in the TCR neighbourhood

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

TCR

What this shows Green Plains Superior LLC averages 6.1 TCR (184% of the Ethanol Manufacturing BLS benchmark).

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

Green Plains Superior LLC TCR series: 2016=6.2 · 2017=8.1 · 2018=15.5 · 2019=7.1 · 2020=4.6 · 2021=2.3 · 2022=6.5 · 2023=4.4 · 2024=0 · BLS 3.3

Where Green Plains Superior LLC falls in its industry

228 Ethanol Manufacturing establishments

Safer than 13% 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 #45 safest of 49 Ethanol Manufacturing employers in Iowa.

Green Plains Superior LLC (46 employees, TCR 6.1) 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 Green Plains Superior LLC
Green Plains Superior LLC (46 employees, TCR 6.1) among 29 same-industry peers, split at the industry median of 47 employees and a TCR of 3.0

Green Plains Superior LLC has fewer employees than the Ethanol 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 0.0 0.0 0 0 0
2023 4.4 0.0 2 0 0
2022 6.5 0.0 3 0 0
2021 2.3 0.0 1 0 0
2020 4.6 4.6 2 0 0
2019 7.1 7.1 3 0 0
2018 15.5 11.1 6 1 0
2017 8.1 8.1 4 0 0
2016 6.2 4.2 2 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

325193 · IA · Superior

228 Ethanol 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 Poet- Coon Rapids 6.1 TCR
NAICS-TCR Quad County Corn Processors 6.0 TCR
NAICS-TCR Poet Biorefining- Chancellor 6.1 TCR
NAICS-TCR Lincolnway Energy, LLC 6.0 TCR
STATE-SIZE Hickory Hill Farms 46 FTE
STATE-SIZE Northwest Iowa Power Cooperative 46 FTE
STATE-SIZE Van Hessen USA Ottumwa 46 FTE
STATE-SIZE Absolute Infrastructure 46 FTE
NAT-TCR Mg Corpus Christi 6.1 TCR
NAT-TCR LBT, Inc. 6.1 TCR
NAT-TCR R.F. Woehrmyer Concrete Construction, Inc. 6.1 TCR
NAT-TCR Plant 3 6.1 TCR
NAT-SIZE CIT Trucks - Fenton 46 FTE
NAT-SIZE ACC Construction Co., Inc 46 FTE
NAT-SIZE Rob Maintenance 46 FTE
NAT-SIZE Western Container Corporation 46 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.