Custom compounding (i.e., blending and mixing) of purchased plastics resins · Mississippi

Westlake Compounds, LLC., Prairie

Prairie, MS · ~35 workers · 3 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.0
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Westlake Compounds, LLC., Prairie runs at 31% of its industry's injury rate - far safer than the typical Custom compounding (i.e., blending and mixing) of purchased plastics resins workplace, earning a grade A.

Westlake Compounds, LLC., Prairie: 1.0 TCR = 31% of Custom compounding (i.e., blending and mixing) of purchased plastics resins BLS 3.3 · 3y Form 300A (see methodology below)

Westlake Compounds, LLC., Prairie safety composite

Westlake Compounds, LLC., Prairie scores strongest on total case rate (tcr) (safer than 82% of same-industry peers) and weakest on fatalities (safer than 50%), 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).

C

73/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.01 per 100 workers

Safer than 82% of industry peers

DART rate
B 0 per 100 workers

Safer than 79% 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%).

Westlake Compounds, LLC., Prairie held a steady TCR band

Westlake Compounds, LLC., Prairie's TCR held near 0.0 from 0.0 in 2021 to 0.0 in 2023. Peak filing year was 2022 at 3.0 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2021=0.0 · 2022=3.0 · 2023=0.0

OSHA ITA Form 300A scorecard

Establishment book 325991 · Prairie, MS AT/BELOW-IND · SMALL

Grade A · TCR 1.0 · 31% of ind

  • DART 0.0 DART
  • RANK #2/9
  • PHOTO 1660 Venture Blvd
  • BOOK 3y book
  • INJ 1 inj
  • SIZE ~35 FTE

Nearest TCR peer: 1660 Venture Blvd (0.0 TCR gap)

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Westlake Compounds, LLC., Prairie in the TCR neighbourhood

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

TCR

What this shows Westlake Compounds, LLC., Prairie averages 1.0 TCR (31% of the Custom compounding (i.e., blending and mixing) of purchased plastics resins BLS benchmark).

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

Westlake Compounds, LLC., Prairie TCR series: 2021=0 · 2022=3 · 2023=0 · BLS 3.3

Where Westlake Compounds, LLC., Prairie falls in its industry

342 Custom compounding (i.e., blen establishments

Safer than 82% of graded establishments in this industry, whose median TCR is 2.5.

More dangerous than peersSafer than peers

Narrower to Mississippi alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 9 Custom compounding (i.e., blen employers in Mississippi.

Westlake Compounds, LLC., Prairie (35 employees, TCR 1.0) among 29 same-industry peers, split at the industry median of 72 employees and a TCR of 2.5 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 0100200300400500 05101520 Average employees Total Case Rate Westlake Compounds, LLC., Prairie
Westlake Compounds, LLC., Prairie (35 employees, TCR 1.0) among 29 same-industry peers, split at the industry median of 72 employees and a TCR of 2.5

Westlake Compounds, LLC., Prairie has fewer employees than the Custom compounding (i.e., blending and m median and a lower injury rate than the industry's median TCR of 2.5. 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
2023 0.0 0.0 0 0 0
2022 3.0 3.0 1 0 0
2021 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

325991 · MS · Prairie

342 Custom compounding (i.e., blending and mixing) of purchased plastics resins employers nationwide with a credible TCR · 4,083 rated employers in Mississippi 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 1660 Venture Blvd 1.0 TCR
NAICS-TCR A Schulman Inc. 1.0 TCR
NAICS-TCR Ascend Performance Materials, Foley 1.0 TCR
NAICS-TCR Freeman Manufacturing & Supply Company Avon 1.0 TCR
STATE-SIZE H2A Complete II, Inc. Atlantic Harvesting 35 FTE
STATE-SIZE THE MONROE COUNTY ELECTRIC POWER ASSOCIATION 35 FTE
STATE-SIZE Main Branch 35 FTE
STATE-SIZE Falcon Contracting Company Inc. 35 FTE
CITY-NEAR Westlake Chemical - Prairie 23 FTE
NAT-TCR Market Basket #18 1.0 TCR
NAT-TCR Ozarks Go, LLC 1.0 TCR
NAT-TCR Abilene Field Operations 1.0 TCR
NAT-TCR Mt Sinai - Coram 1.0 TCR
NAT-SIZE JTECH 35 FTE
NAT-SIZE P J Callaghan Construction 35 FTE
NAT-SIZE Courtyard by Marriott Tampa Westshore/Airport 35 FTE
NAT-SIZE Hill Wood Product 35 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: 2023, 2022, 2021. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.