Transdigm Inc
9 facilities · 5 states · 147.6K lbs total releases
According to the EPA Toxics Release Inventory, Transdigm Inc is the reported parent of 9 Form R facilities across 5 states, disclosing 147.6K lbs of toxic releases. 11 of 32 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Ohio (51.4K lbs). Those TRI figures remain self-reported disclosure pounds for Transdigm Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Transdigm Inc: EPA TRI 2023 reporting year
Same facilities, both years
+73.0%
7 facilities that filed in 2022 and 2023
Whole inventory
+73.0%
22.3 thousand lb → 38.7 thousand lb, every facility that filed
- Transdigm Inc's total reported releases rose from 22.3 thousand lb in 2022 to 38.7 thousand lb in 2023, based on EPA TRI filings.
- Transdigm Inc's off-site transfers rose from 17.3 thousand lb in 2022 to 33.1 thousand lb in 2023, based on EPA TRI filings.
- Transdigm Inc's air releases rose from 5.0 thousand lb in 2022 to 5.6 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Transdigm Inc from filing to facility
Largest Form R sites under this parent: Schneller LLC; Marathonnorco Aerospace Inc; Hytek Finishes Co; Armtec Defense Technologies. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; Ineos US I Inc. Largest disclosed chemicals by pounds: Antimony compounds; Cadmium compounds; Lead; Toluene; 1-Bromopropane. Heaviest-reporting states in this extract: Ohio; Texas; Washington. Industry labels on the parent rollup: Electrical Equipment; Plastics and Rubber; Fabricated Metals; Miscellaneous Manufacturing. 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: Schneller LLC; Marathonnorco Aerospace Inc; Hytek Finishes Co; Armtec Defense Technologies. Neighbor parents on the disclosure ladder: Cleveland-Cliffs Inc; Ineos US I Inc. Largest disclosed chemicals by pounds: Antimony compounds; Cadmium compounds; Lead; Toluene; 1-Bromopropane. Heaviest-reporting states in this extract: Ohio; Texas; Washington. Industry labels on the parent rollup: Electrical Equipment; Plastics and Rubber; Fabricated Metals; Miscellaneous Manufacturing.
Transdigm Inc ranks #1,430 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Transdigm Inc files across 5 states, a regional parent portfolio rather than a single-state discloser. Transdigm Inc's disclosed pounds are spread across 9 facilities, no single site dominates the parent total in this extract.
Parent aggregation for Transdigm Inc 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 Transdigm Inc sits among TRI parents
Transdigm Inc 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 #1,428 · 64.3M lbs
- Ineos US I Inc · rank #1,429 · 42.4M lbs
Largest chemicals disclosed by Transdigm Inc
Antimony compounds; Cadmium compounds; Lead; Toluene; 1-Bromopropane lead the Form R pound rollup for this parent, including filings such as Schneller LLC. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Antimony compounds | 30.4K lbs |
| Cadmium compounds | 25.8K lbs |
| Lead | 22.2K lbs |
| Toluene | 18.3K lbs |
| 1-Bromopropane | 12.2K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Ohio | 1 | 51.4K lbs |
| Texas | 1 | 51.0K lbs |
| Washington | 2 | 34.5K lbs |
| California | 4 | 7.9K lbs |
| Arizona | 1 | 2.8K lbs |
Facilities (9)
| Facility | Releases |
|---|---|
| Schneller LLC Kent, OH | 51.4K lbs |
| Marathonnorco Aerospace Inc Waco, TX | 51.0K lbs |
| Hytek Finishes Co Kent, WA | 34.5K lbs |
| Armtec Defense Technologies Coachella, CA | 7.7K lbs |
| Acme Aerospace Inc Tempe, AZ | 2.8K lbs |
| Kirkhill Inc. Brea, CA | 162 lbs |
| Leach International Buena Park, CA | 2 lbs |
| Ta Aerospace Valencia, CA | 0 lbs |
| Avtechtyee Everett, WA | 0 lbs |
Frequently Asked Questions
How much pollution does Transdigm Inc release?
How many facilities does Transdigm Inc operate?
What industries and chemicals show up for Transdigm Inc?
Does Transdigm Inc release carcinogens?
Compare beyond the release ladder
Nationwide peers by disclosed pounds & facility count
Cross-portfolio TRI parents nearest Transdigm Inc on total disclosed release pounds (147.6K lbs) and reporting facility count (9). Release-volume peers include Johnson & Johnson Inc, Wf Holdings Inc, Ptc Alliance 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 Ohio, Texas, Washington; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Transdigm Inc's TRI parent record
From Transdigm Inc, open Schneller LLC or compare against Cleveland-Cliffs Inc rather than reading rank alone.
- Open the largest Form R site for Transdigm Inc (Schneller 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 Transdigm Inc 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
Transdigm 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.