Ducommun Inc
9 facilities · 7 states · 98.9K lbs total releases
According to the EPA Toxics Release Inventory, Ducommun Inc is the reported parent of 9 Form R facilities across 7 states, disclosing 98.9K lbs of toxic releases. 1 of 14 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Kansas (70.8K lbs). Those TRI figures remain self-reported disclosure pounds for Ducommun Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Ducommun Inc: EPA TRI 2023 reporting year
Same facilities, both years
+29.3%
8 facilities that filed in 2022 and 2023
Whole inventory
+29.3%
13.0 thousand lb → 16.8 thousand lb, every facility that filed
- Ducommun Inc's total reported releases rose from 13.0 thousand lb in 2022 to 16.8 thousand lb in 2023, based on EPA TRI filings.
- Ducommun Inc's air releases rose from 13.0 thousand lb in 2022 to 16.8 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Ducommun Inc from filing to facility
Largest Form R sites under this parent: Ducommun Aerostructures Inc.; Ducommun Aerostructures New York Inc.; Ducommun Aerostructures; Ducommun Aerostructure Inc.. Neighbor parents on the disclosure ladder: Ecovyst Inc; Evergy Inc. Largest disclosed chemicals by pounds: Toluene; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Nitric acid; Hydrogen fluoride; Copper. Heaviest-reporting states in this extract: Kansas; New York; California. Industry labels on the parent rollup: Transportation Equipment; Fabricated Metals; Computers and Electronic Products. 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: Ducommun Aerostructures Inc.; Ducommun Aerostructures New York Inc.; Ducommun Aerostructures; Ducommun Aerostructure Inc.. Neighbor parents on the disclosure ladder: Ecovyst Inc; Evergy Inc. Largest disclosed chemicals by pounds: Toluene; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Nitric acid; Hydrogen fluoride; Copper. Heaviest-reporting states in this extract: Kansas; New York; California. Industry labels on the parent rollup: Transportation Equipment; Fabricated Metals; Computers and Electronic Products.
Ducommun Inc ranks #1,634 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Ducommun Inc spans 7 states in this extract, placing it among the broader national TRI parent footprints. Releases are facility-concentrated: Ducommun Aerostructures Inc. accounts for most of Ducommun Inc's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Ducommun Inc follows facility-reported names. Compare the named neighbors (Ecovyst Inc; Evergy Inc) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Ducommun Inc sits among TRI parents
Ducommun Inc sits on a disclosure ladder beside Ecovyst Inc and Evergy Inc. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Ecovyst Inc · rank #1,632 · 19.3M lbs
- Evergy Inc · rank #1,633 · 15.9M lbs
Largest chemicals disclosed by Ducommun Inc
Toluene; Nitrate compounds (water dissociable; reportable only when in aqueous solution); Nitric acid; Hydrogen fluoride; Copper lead the Form R pound rollup for this parent, including filings such as Ducommun Aerostructures Inc.. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Toluene | 70.5K lbs |
| Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 22.3K lbs |
| Nitric acid | 4.0K lbs |
| Hydrogen fluoride | 2.8K lbs |
| Copper | 4 lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Kansas | 1 | 70.8K lbs |
| New York | 1 | 28.0K lbs |
| California | 2 | 72 lbs |
| Wisconsin | 2 | 0 lbs |
| Oklahoma | 1 | 0 lbs |
| Arkansas | 1 | 0 lbs |
| Missouri | 1 | 0 lbs |
Facilities (9)
| Facility | Releases |
|---|---|
| Ducommun Aerostructures Inc. Parsons, KS | 70.8K lbs |
| Ducommun Aerostructures New York Inc. Coxsackie, NY | 28.0K lbs |
| Ducommun Aerostructures Gardena, CA | 68 lbs |
| Ducommun Aerostructure Inc. Gardena, CA | 4 lbs |
| Nobles Mfg Inc Saint Croix Falls, WI | 0 lbs |
| Ducommun Labarge Technologies,inc. Tulsa, OK | 0 lbs |
| Ducommun Labarge Technologies Inc Huntsville, AR | 0 lbs |
| Ducommun Labarge Technologies,inc. Joplin, MO | 0 lbs |
| Labarge Acquistion Co Appleton, WI | 0 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 Ducommun Inc on total disclosed release pounds (98.9K lbs) and reporting facility count (9). Release-volume peers include Copeland LP, American Trim LLC, Trailer Investors LLC. Facility-count peers include Akzo Nobel Inc, Allied Aviation Holding Co, American Honda Motor Co 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 Kansas, New York, California; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Ducommun Inc's TRI parent record
From Ducommun Inc, open Ducommun Aerostructures Inc. or compare against Ecovyst Inc rather than reading rank alone.
- Open the largest Form R site for Ducommun Inc (Ducommun Aerostructures Inc. in KS). Largest facility
- Compare against Evergy Inc, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Ducommun Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Ecovyst Inc, Evergy Inc) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Ducommun 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.