National Composites LLC
4 facilities · 3 states · 574.9K lbs total releases
According to the EPA Toxics Release Inventory, National Composites LLC is the reported parent of 4 Form R facilities across 3 states, disclosing 574.9K lbs of toxic releases. 1 of 5 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Missouri (358.6K lbs). Those TRI figures remain self-reported disclosure pounds for National Composites LLC, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for National Composites LLC: EPA TRI 2023 reporting year
Same facilities, both years
-17.1%
4 facilities that filed in 2022 and 2023
Whole inventory
-17.1%
110.5 thousand lb → 91.6 thousand lb, every facility that filed
- National Composites LLC's total reported releases fell from 110.5 thousand lb in 2022 to 91.6 thousand lb in 2023, based on EPA TRI filings.
- National Composites LLC's off-site transfers fell from 500 lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- National Composites LLC's air releases fell from 110.0 thousand lb in 2022 to 91.6 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read National Composites LLC from filing to facility
Largest Form R sites under this parent: Able Manufacturing & Assembly LLC; Great Lakes Composites LLC; Sunrise Fiberglass of Minnesota LLC; Molded Plastic Industries Inc. Neighbor parents on the disclosure ladder: The Renco Group Inc; Ameren Corp. Largest disclosed chemicals by pounds: Styrene; Methyl methacrylate. Heaviest-reporting states in this extract: Missouri; Michigan; Minnesota. Industry labels on the parent rollup: Transportation Equipment; Plastics and Rubber. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Largest Form R sites under this parent: Able Manufacturing & Assembly LLC; Great Lakes Composites LLC; Sunrise Fiberglass of Minnesota LLC; Molded Plastic Industries Inc. Neighbor parents on the disclosure ladder: The Renco Group Inc; Ameren Corp. Largest disclosed chemicals by pounds: Styrene; Methyl methacrylate. Heaviest-reporting states in this extract: Missouri; Michigan; Minnesota. Industry labels on the parent rollup: Transportation Equipment; Plastics and Rubber.
National Composites LLC ranks #844 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. National Composites LLC files across 3 states, a regional parent portfolio rather than a single-state discloser. National Composites LLC's disclosed pounds are spread across 4 facilities, no single site dominates the parent total in this extract.
Parent aggregation for National Composites LLC follows facility-reported names. Compare the named neighbors (The Renco Group Inc; Ameren Corp) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where National Composites LLC sits among TRI parents
National Composites LLC sits on a disclosure ladder beside The Renco Group Inc and Ameren Corp. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- The Renco Group Inc · rank #842 · 150.8M lbs
- Ameren Corp · rank #843 · 13.2M lbs
Largest chemicals disclosed by National Composites LLC
Styrene; Methyl methacrylate lead the Form R pound rollup for this parent, including filings such as Able Manufacturing & Assembly LLC. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Styrene | 535.5K lbs |
| Methyl methacrylate | 39.4K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Missouri | 1 | 358.6K lbs |
| Michigan | 2 | 147.9K lbs |
| Minnesota | 1 | 68.4K lbs |
Facilities (4)
| Facility | Releases |
|---|---|
| Able Manufacturing & Assembly LLC Joplin, MO | 358.6K lbs |
| Great Lakes Composites LLC Owosso, MI | 101.4K lbs |
| Sunrise Fiberglass of Minnesota LLC Wyoming, MN | 68.4K lbs |
| Molded Plastic Industries Inc Holt, MI | 46.4K lbs |
Frequently Asked Questions
How much pollution does National Composites LLC release?
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What industries and chemicals show up for National Composites LLC?
Does National Composites LLC release carcinogens?
Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest National Composites LLC on total disclosed release pounds (574.9K lbs) and reporting facility count (4). Release-volume peers include Aurorium Holdings LLC, Toyota Industries N.a., Canfor Southern Pine Inc. Facility-count peers include A Stucki Holding Corp, Advanced Heat Treat Corp, Alleima USA LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of parents.
Similar disclosed release pounds
Nearest parents (≥3 facilities, ≥10k lbs) by absolute TRI disclosed pounds, not rank-adjacent ladder neighbors.
Similar facility count
Nearest parents by reporting-site count (deduped against the release-pound neighborhood).
About This Data
EPA TRI parent totals cover all media. This extract's heaviest states for the parent are Missouri, Michigan, Minnesota; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with National Composites LLC's TRI parent record
From National Composites LLC, open Able Manufacturing & Assembly LLC or compare against The Renco Group Inc rather than reading rank alone.
- Open the largest Form R site for National Composites LLC (Able Manufacturing & Assembly LLC in MO). Largest facility
- Compare against Ameren Corp, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where National Composites LLC sits among all slug-merged TRI parents. All parent companies
Rank and peers (The Renco Group Inc, Ameren Corp) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
National Composites LLC's record groups disclosed TRI parent-company filings so readers can compare reporting context without treating the total as a measure of risk.
Company release figures are computed directly from EPA Toxic Release Inventory data; source names and the record-linking method are documented in the methodology.
Primary sources
- EPA Toxics Release Inventory Basic Data Files - annual facility-level chemical-release disclosures
PlainEnviro renders public EPA records directly from its data pipeline; no figure on this page is typed in by an editor. See the editorial standards and corrections policy for how source changes and reported errors are handled.