Sti Holdings Inc
3 facilities · 1 state · 227.2K lbs total releases
According to the EPA Toxics Release Inventory, Sti Holdings Inc is the reported parent of 3 Form R facilities across 1 state, disclosing 227.2K lbs of toxic releases. 1 of 9 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Wisconsin (227.2K lbs). Those TRI figures remain self-reported disclosure pounds for Sti Holdings Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Sti Holdings Inc: EPA TRI 2023 reporting year
Same facilities, both years
-98.5%
2 facilities that filed in 2022 and 2023
Whole inventory
-99.4%
19.2 thousand lb → 115 lb, every facility that filed
Between the two reporting years, 0 facilities filed for the first time and 1 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Sti Holdings Inc's total reported releases fell from 7.5 thousand lb in 2022 to 115 lb in 2023, based on EPA TRI filings.
- Sti Holdings Inc's off-site transfers fell from 7.2 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Sti Holdings Inc's air releases fell from 290 lb in 2022 to 115 lb in 2023, based on EPA TRI filings.
- Sti Holdings Inc's chemicals reported fell from 5 in 2022 to 4 in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Sti Holdings Inc from filing to facility
Largest Form R sites under this parent: Stoughton Trailers Llc-Plant 5&6; Stoughton Trailers Llc-Plant 4; Stoughton Trailers Llc-Plant 7. Neighbor parents on the disclosure ladder: Foremost Farms USA Cooperative; Wec Energy Group. Largest disclosed chemicals by pounds: Zinc compounds; Chromium; Manganese; Nickel; Diisocyanates. Heaviest-reporting states in this extract: Wisconsin. Industry labels on the parent rollup: Transportation Equipment. 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: Stoughton Trailers Llc-Plant 5&6; Stoughton Trailers Llc-Plant 4; Stoughton Trailers Llc-Plant 7. Neighbor parents on the disclosure ladder: Foremost Farms USA Cooperative; Wec Energy Group. Largest disclosed chemicals by pounds: Zinc compounds; Chromium; Manganese; Nickel; Diisocyanates. Heaviest-reporting states in this extract: Wisconsin. Industry labels on the parent rollup: Transportation Equipment.
Sti Holdings Inc ranks #1,230 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Sti Holdings Inc's TRI Form R footprint is concentrated in a single state (Wisconsin), so statewide context matters more than a multi-state portfolio read. Sti Holdings Inc's disclosed pounds are spread across 3 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Sti Holdings Inc follows facility-reported names. Compare the named neighbors (Foremost Farms USA Cooperative; Wec Energy Group) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Sti Holdings Inc sits among TRI parents
Sti Holdings Inc sits on a disclosure ladder beside Foremost Farms USA Cooperative and Wec Energy Group. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Foremost Farms USA Cooperative · rank #1,228 · 11.6M lbs
- Wec Energy Group · rank #1,229 · 7.5M lbs
Largest chemicals disclosed by Sti Holdings Inc
Zinc compounds; Chromium; Manganese; Nickel; Diisocyanates lead the Form R pound rollup for this parent, including filings such as Stoughton Trailers Llc-Plant 5&6. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Zinc compounds | 215.4K lbs |
| Chromium | 4.8K lbs |
| Manganese | 3.4K lbs |
| Nickel | 2.7K lbs |
| Diisocyanates | 1.0K lbs |
Facilities (3)
| Facility | Releases |
|---|---|
| Stoughton Trailers Llc-Plant 5&6 Stoughton, WI | 84.8K lbs |
| Stoughton Trailers Llc-Plant 4 Brodhead, WI | 71.3K lbs |
| Stoughton Trailers Llc-Plant 7 Evansville, WI | 71.1K lbs |
Frequently Asked Questions
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Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Sti Holdings Inc on total disclosed release pounds (227.2K lbs) and reporting facility count (3). Release-volume peers include Rev Group Inc, Lhoist N.a., US Tsubaki Inc. Facility-count peers include A-Gas US Holdings Inc, Abb Holdings Inc, Adams Resources & Energy Inc. 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 Wisconsin; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Sti Holdings Inc's TRI parent record
From Sti Holdings Inc, open Stoughton Trailers Llc-Plant 5&6 or compare against Foremost Farms USA Cooperative rather than reading rank alone.
- Open the largest Form R site for Sti Holdings Inc (Stoughton Trailers Llc-Plant 5&6 in WI). Largest facility
- Compare against Wec Energy Group, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Sti Holdings Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Foremost Farms USA Cooperative, Wec Energy Group) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Sti Holdings Inc'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.