Swagelok Co
7 facilities · 2 states · 1.7M lbs total releases
According to the EPA Toxics Release Inventory, Swagelok Co is the reported parent of 7 Form R facilities across 2 states, disclosing 1.7M lbs of toxic releases. 4 of 33 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Ohio (1.6M lbs). Those TRI figures remain self-reported disclosure pounds for Swagelok Co, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Swagelok Co: EPA TRI 2023 reporting year
Same facilities, both years
+22.2%
7 facilities that filed in 2022 and 2023
Whole inventory
+22.2%
85.3 thousand lb → 104.2 thousand lb, every facility that filed
- Swagelok Co's total reported releases rose from 85.3 thousand lb in 2022 to 104.2 thousand lb in 2023, based on EPA TRI filings.
- Swagelok Co's off-site transfers rose from 84.9 thousand lb in 2022 to 103.9 thousand lb in 2023, based on EPA TRI filings.
- Swagelok Co's chemicals reported rose from 9 in 2022 to 10 in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Swagelok Co from filing to facility
Largest Form R sites under this parent: Swagelok Manufacturing Co LLC; Swagelok Processing Co; Swagelok Manufacturing Co LLC; Swagelok Manufacturing Co LLC. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; Ineos US I Inc. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Nickel; Chromium; Manganese; Nickel And Nickel Compounds. Heaviest-reporting states in this extract: Ohio; Pennsylvania. Industry labels on the parent rollup: Machinery; Primary Metals; Fabricated Metals. 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: Swagelok Manufacturing Co LLC; Swagelok Processing Co; Swagelok Manufacturing Co LLC; Swagelok Manufacturing Co LLC. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; Ineos US I Inc. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Nickel; Chromium; Manganese; Nickel And Nickel Compounds. Heaviest-reporting states in this extract: Ohio; Pennsylvania. Industry labels on the parent rollup: Machinery; Primary Metals; Fabricated Metals.
Swagelok Co ranks #505 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Swagelok Co files across 2 states, a regional parent portfolio rather than a single-state discloser. Releases are facility-concentrated: Swagelok Manufacturing Co LLC accounts for most of Swagelok Co's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Swagelok Co follows facility-reported names. Compare the named neighbors (Cleveland-Cliffs Inc; Ineos US I Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Swagelok Co sits among TRI parents
Swagelok Co sits on a disclosure ladder beside Cleveland-Cliffs Inc and Ineos US I Inc. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Cleveland-Cliffs Inc · rank #503 · 64.3M lbs
- Ineos US I Inc · rank #504 · 42.4M lbs
Largest chemicals disclosed by Swagelok Co
Nitrate compounds (water dissociable; reportable only when in aqueous solution); Nickel; Chromium; Manganese; Nickel And Nickel Compounds lead the Form R pound rollup for this parent, including filings such as Swagelok Manufacturing Co LLC. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 1.6M lbs |
| Nickel | 32.3K lbs |
| Chromium | 23.5K lbs |
| Manganese | 10.1K lbs |
| Nickel And Nickel Compounds | 9.0K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Ohio | 6 | 1.6M lbs |
| Pennsylvania | 1 | 55.1K lbs |
Facilities (7)
| Facility | Releases |
|---|---|
| Swagelok Manufacturing Co LLC Solon, OH | 1.6M lbs |
| Swagelok Processing Co Koppel, PA | 55.1K lbs |
| Swagelok Manufacturing Co LLC Highland Heights, OH | 40.3K lbs |
| Swagelok Manufacturing Co LLC Strongsville, OH | 1.7K lbs |
| Swagelok Manufacturing Co LLC Willoughby Hills, OH | 763 lbs |
| Swagelok Precision Machining Inc Eastlake, OH | 527 lbs |
| Swagelok Manufacturing Co LLC Solon, OH | 112 lbs |
Frequently Asked Questions
How much pollution does Swagelok Co release?
How many facilities does Swagelok Co operate?
What industries and chemicals show up for Swagelok Co?
Does Swagelok Co release carcinogens?
Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Swagelok Co on total disclosed release pounds (1.7M lbs) and reporting facility count (7). Release-volume peers include The International Group Inc, Lhoist Na Inc, Pixelle Specialty Solutions LLC. 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 Ohio, Pennsylvania; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Swagelok Co's TRI parent record
From Swagelok Co, open Swagelok Manufacturing Co LLC or compare against Cleveland-Cliffs Inc rather than reading rank alone.
- Open the largest Form R site for Swagelok Co (Swagelok Manufacturing Co LLC in OH). Largest facility
- Compare against Ineos US I Inc, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Swagelok Co sits among all slug-merged TRI parents. All parent companies
Rank and peers (Cleveland-Cliffs Inc, Ineos US I Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Swagelok Co'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.