Atkore International Inc
5 facilities · 4 states · 59.1K lbs total releases
According to the EPA Toxics Release Inventory, Atkore International Inc is the reported parent of 5 Form R facilities across 4 states, disclosing 59.1K lbs of toxic releases. 10 chemicals are reported; none carry a carcinogen classification in this extract. The heaviest-reporting state by release volume is Michigan (34.1K lbs). Those TRI figures remain self-reported disclosure pounds across Atkore International Inc's multi-state Form R set, not a measured public-health risk score.
Release-over-release change
What changed for Atkore International Inc: EPA TRI 2023 reporting year
Same facilities, both years
+40.6%
5 facilities that filed in 2022 and 2023
Whole inventory
+40.6%
5.8 thousand lb → 8.1 thousand lb, every facility that filed
- Atkore International Inc's total reported releases rose from 5.8 thousand lb in 2022 to 8.1 thousand lb in 2023, based on EPA TRI filings.
- Atkore International Inc's off-site transfers rose from 4.1 thousand lb in 2022 to 6.3 thousand lb in 2023, based on EPA TRI filings.
- Atkore International Inc's air releases rose from 1.7 thousand lb in 2022 to 1.8 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Atkore International Inc from filing to facility
Largest Form R sites under this parent: Unistrut International Corp; Monogram Metals Inc; Afc Cable Systems; Allied Tube & Conduit Tectron Tube Div. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; US Ecology Inc. Largest disclosed chemicals by pounds: Zinc compounds; Antimony And Antimony Compounds; Antimony compounds; Ammonia; Chromium. Heaviest-reporting states in this extract: Michigan; Ohio; Massachusetts. Industry labels on the parent rollup: Fabricated Metals; Electrical Equipment; Primary Metals. 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: Unistrut International Corp; Monogram Metals Inc; Afc Cable Systems; Allied Tube & Conduit Tectron Tube Div. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; US Ecology Inc. Largest disclosed chemicals by pounds: Zinc compounds; Antimony And Antimony Compounds; Antimony compounds; Ammonia; Chromium. Heaviest-reporting states in this extract: Michigan; Ohio; Massachusetts. Industry labels on the parent rollup: Fabricated Metals; Electrical Equipment; Primary Metals.
Atkore International Inc ranks #1,901 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Atkore International Inc files across 4 states, a regional parent portfolio rather than a single-state discloser. Atkore International Inc's disclosed pounds are spread across 5 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Atkore International Inc follows facility-reported names. Compare the named neighbors (Cleveland-Cliffs Inc; US Ecology Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Atkore International Inc sits among TRI parents
Atkore International Inc sits on a disclosure ladder beside Cleveland-Cliffs Inc and US Ecology Inc. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Cleveland-Cliffs Inc · rank #1,899 · 53.0M lbs
- US Ecology Inc · rank #1,900 · 39.8M lbs
Largest chemicals disclosed by Atkore International Inc
Zinc compounds; Antimony And Antimony Compounds; Antimony compounds; Ammonia; Chromium lead the Form R pound rollup for this parent, including filings such as Unistrut International Corp. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Zinc compounds | 53.5K lbs |
| Antimony And Antimony Compounds | 12.7K lbs |
| Antimony compounds | 2.4K lbs |
| Ammonia | 2.4K lbs |
| Chromium | 648 lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Michigan | 1 | 34.1K lbs |
| Ohio | 1 | 22.2K lbs |
| Massachusetts | 2 | 2.5K lbs |
| Wisconsin | 1 | 261 lbs |
Facilities (5)
| Facility | Releases |
|---|---|
| Unistrut International Corp Wayne, MI | 34.1K lbs |
| Monogram Metals Inc Byesville, OH | 22.2K lbs |
| Afc Cable Systems New Bedford, MA | 2.5K lbs |
| Allied Tube & Conduit Tectron Tube Div De Pere, WI | 261 lbs |
| Atkore International New Bedford, MA | 0 lbs |
Frequently Asked Questions
How much pollution does Atkore International Inc release?
How many facilities does Atkore International Inc operate?
What industries and chemicals show up for Atkore International Inc?
Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Atkore International Inc on total disclosed release pounds (59.1K lbs) and reporting facility count (5). Release-volume peers include American Packaging Corp, Costco Wholesale Inc, Arctic Slope Regional Corp. Facility-count peers include Abb Motors & Mechanical Inc, Advansix Inc, Aes Corp. 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 Michigan, Ohio, Massachusetts; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Atkore International Inc's TRI parent record
From Atkore International Inc, open Unistrut International Corp or compare against Cleveland-Cliffs Inc rather than reading rank alone.
- Open the largest Form R site for Atkore International Inc (Unistrut International Corp in MI). Largest facility
- Compare against US Ecology Inc, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Atkore International Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Cleveland-Cliffs Inc, US Ecology Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Atkore International 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.