Septic tanks, plastics or fiberglass, manufacturing · Indiana

AK Industries Inc. Plant 4

Plymouth, IN · ~86 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
8.4
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

AK Industries Inc. Plant 4 runs at 255% of its industry's injury rate - far more dangerous than the typical Septic tanks, plastics or fiberglass, manufacturing workplace, earning a grade F.

AK Industries Inc. Plant 4: 8.4 TCR = 255% of Septic tanks, plastics or fiberglass, manufacturing BLS 3.3 · 2y Form 300A (see methodology below)

AK Industries Inc. Plant 4 safety composite

AK Industries Inc. Plant 4 scores strongest on dart rate (safer than 86% of same-industry peers) and weakest on total case rate (tcr) (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).

D

47/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 8.42 per 100 workers

Safer than 12% of industry peers

DART rate
B 0 per 100 workers

Safer than 86% 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%).

TCR Δ

−1.7

2021→2024

AK Industries Inc. Plant 4 injury rate improved

AK Industries Inc. Plant 4's TCR fell 1.7 from 9.3 in 2021 to 7.6 in 2024. Peak filing year was 2021 at 9.3 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

2021=9.3 · 2024=7.6

OSHA ITA Form 300A scorecard

Establishment book 326199 · Plymouth, IN ABOVE-IND · SMALL

Grade F · TCR 8.4 · 255% of ind

  • DART 0.0 DART
  • RANK #124/143
  • PHOTO Vinylite Windows, LL…
  • BOOK 2y book
  • INJ 4 inj
  • SIZE ~86 FTE

Nearest TCR peer: Vinylite Windows, LLC dba Vector (0.0 TCR gap)

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

AK Industries Inc. Plant 4 in the TCR neighbourhood

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

TCR

What this shows AK Industries Inc. Plant 4 averages 8.4 TCR (255% of the Septic tanks, plastics or fiberglass, manufacturing BLS benchmark).

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

AK Industries Inc. Plant 4 TCR series: 2021=9.3 · 2024=7.6 · BLS 3.3

Where AK Industries Inc. Plant 4 falls in its industry

2,838 Septic tanks, plastics or fibe establishments

Safer than 12% of graded establishments in this industry, whose median TCR is 3.5.

More dangerous than peersSafer than peers

Narrower to Indiana alone (the establishments it most directly competes with for workers and contracts): ranked #124 safest of 143 Septic tanks, plastics or fibe employers in Indiana.

AK Industries Inc. Plant 4 (86 employees, TCR 8.4) among 29 same-industry peers, split at the industry median of 101 employees and a TCR of 3.5 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 0100200300400 05101520 Average employees Total Case Rate AK Industries Inc. Plant 4
AK Industries Inc. Plant 4 (86 employees, TCR 8.4) among 29 same-industry peers, split at the industry median of 101 employees and a TCR of 3.5

AK Industries Inc. Plant 4 has fewer employees than the Septic tanks, plastics or fiberglass, ma median and a higher injury rate than the industry's median TCR of 3.5. 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 7.6 0.0 2 0 0
2021 9.3 0.0 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

326199 · IN · Plymouth

2,838 Septic tanks, plastics or fiberglass, manufacturing employers nationwide with a credible TCR · 12,750 rated employers in Indiana with headcount on file · 80 employers in Plymouth, IN · 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 Vinylite Windows, LLC dba Vector 8.4 TCR
NAICS-TCR Custom Service Plastics 8.4 TCR
NAICS-TCR Sii - Lincoln; Plant 1 8.4 TCR
NAICS-TCR Parkway Products, LLC WES 8.4 TCR
STATE-SIZE Service Bird Crew / E-Crew 86 FTE
STATE-SIZE Service / Bird Crew 86 FTE
STATE-SIZE Preferred, Inc. - Fort Wayne 86 FTE
STATE-SIZE Indy One Hour Heating and Air Conditioning 86 FTE
CITY-NEAR Plymouth Community School Corporation 529 FTE
CITY-NEAR PCSC 492 FTE
CITY-NEAR HRT Plymouth 405 FTE
CITY-NEAR WM 1978 360 FTE
NAT-TCR 184 Farmingdale 8.4 TCR
NAT-TCR Price Pump Company 8.4 TCR
NAT-TCR Store 440 8.4 TCR
NAT-TCR Progressive Stamping and Fabrication 8.4 TCR
NAT-SIZE Glen Meadows 86 FTE
NAT-SIZE Aero-Tech Engineering 86 FTE
NAT-SIZE Polyzen LLC 86 FTE
NAT-SIZE Brookdale Attleboro 86 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, 2021. 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.