Si Group Inc
7 facilities · 6 states · 10.6M lbs total releases
According to the EPA Toxics Release Inventory, Si Group Inc is the reported parent of 7 Form R facilities across 6 states, disclosing 10.6M lbs of toxic releases. 9 of 58 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is South Carolina (9.1M lbs). Those TRI figures remain self-reported disclosure pounds for Si Group Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Si Group Inc: EPA TRI 2023 reporting year
Same facilities, both years
-31.0%
7 facilities that filed in 2022 and 2023
Whole inventory
-31.0%
1.9 million lb → 1.3 million lb, every facility that filed
- Si Group Inc's total reported releases fell from 1.9 million lb in 2022 to 1.3 million lb in 2023, based on EPA TRI filings.
- Si Group Inc's off-site transfers fell from 260.6 thousand lb in 2022 to 75.5 thousand lb in 2023, based on EPA TRI filings.
- Si Group Inc's water releases rose from 114.0 thousand lb in 2022 to 160.6 thousand lb in 2023, based on EPA TRI filings.
- Si Group Inc's air releases fell from 1.5 million lb in 2022 to 1.0 million lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Si Group Inc from filing to facility
Largest Form R sites under this parent: Si Group Inc; Si Group Inc. - Newport Tn; Si Group Inc; Si Group Inc. Neighbor parents on the disclosure ladder: Nucor Corp; International Paper Co; New-Indy Jv Corp.; Sylvamo N.a. LLC. Largest disclosed chemicals by pounds: Ammonia; Methanol; Manganese compounds; Dichloromethane; Xylene (mixed isomers). Heaviest-reporting states in this extract: South Carolina; Tennessee; New York. Industry labels on the parent rollup: Chemicals. Start from those named sites and neighbors rather than a generic parent blurb; pounds stay disclosure, not risk.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files Toxics Release Inventory (TRI) · August 2026
Largest Form R sites under this parent: Si Group Inc; Si Group Inc. - Newport Tn; Si Group Inc; Si Group Inc. Neighbor parents on the disclosure ladder: Nucor Corp; International Paper Co; New-Indy Jv Corp.; Sylvamo N.a. LLC. Largest disclosed chemicals by pounds: Ammonia; Methanol; Manganese compounds; Dichloromethane; Xylene (mixed isomers). Heaviest-reporting states in this extract: South Carolina; Tennessee; New York. Industry labels on the parent rollup: Chemicals.
Si Group Inc ranks #153 of 4,988 slug-merged TRI parents by disclosed release pounds, mid-to-upper among parents, not a top-25 volume name. Si Group Inc spans 6 states in this extract, placing it among the broader national TRI parent footprints. Releases are facility-concentrated: Si Group Inc accounts for most of Si Group Inc's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Si Group Inc follows facility-reported names. Compare the named neighbors (Nucor Corp; International Paper Co; New-Indy Jv Corp.) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Si Group Inc sits among TRI parents
Si Group Inc sits on a disclosure ladder beside Nucor Corp and International Paper Co and New-Indy Jv Corp. and Sylvamo N.a. LLC. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Nucor Corp · rank #151 · 15.8M lbs
- International Paper Co · rank #152 · 13.0M lbs
Lower disclosed volume
- New-Indy Jv Corp. · rank #154 · 10.5M lbs
- Sylvamo N.a. LLC · rank #155 · 9.0M lbs
Largest chemicals disclosed by Si Group Inc
Ammonia; Methanol; Manganese compounds; Dichloromethane; Xylene (mixed isomers) lead the Form R pound rollup for this parent, including filings such as Si Group Inc. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Ammonia | 2.7M lbs |
| Methanol | 2.0M lbs |
| Manganese compounds | 1.9M lbs |
| Dichloromethane | 1.8M lbs |
| Xylene (mixed isomers) | 583.9K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| South Carolina | 1 | 9.1M lbs |
| Tennessee | 1 | 1.2M lbs |
| New York | 1 | 247.2K lbs |
| Texas | 2 | 87.8K lbs |
| Alabama | 1 | 58.8K lbs |
| West Virginia | 1 | 22.0K lbs |
Facilities (7)
| Facility | Releases |
|---|---|
| Si Group Inc Orangeburg, SC | 9.1M lbs |
| Si Group Inc. - Newport Tn Newport, TN | 1.2M lbs |
| Si Group Inc Rotterdam Junction, NY | 247.2K lbs |
| Si Group Inc Freeport, TX | 63.3K lbs |
| Si Group Inc Bay Minette, AL | 58.8K lbs |
| Si Group Baytown Baytown, TX | 24.5K lbs |
| Si Group Inc -North Plant Morgantown, WV | 22.0K 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 Si Group Inc on total disclosed release pounds (10.6M lbs) and reporting facility count (7). Release-volume peers include Aes Corp, Leggett & Platt Inc, Evergreen Packaging Group. Facility-count peers include A O Smith Corp, Ahf Products LLC, Aisin Holdings of America. 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 South Carolina, Tennessee, New York; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Si Group Inc's TRI parent record
From Si Group Inc, open Si Group Inc or compare against Nucor Corp rather than reading rank alone.
- Open the largest Form R site for Si Group Inc (Si Group Inc in SC). Largest facility
- Compare against International Paper Co, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Si Group Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Nucor Corp, International Paper Co) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Si Group 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.