Nn Inc
6 facilities · 3 states · 122.5K lbs total releases
According to the EPA Toxics Release Inventory, Nn Inc is the reported parent of 6 Form R facilities across 3 states, disclosing 122.5K lbs of toxic releases. 6 of 13 reported chemicals carry a carcinogen classification in the TRI extract. The heaviest-reporting state by release volume is Massachusetts (93.1K lbs). Those TRI figures remain self-reported disclosure pounds for Nn Inc, including carcinogen-flagged substances, not a measured public-health risk score.
Release-over-release change
What changed for Nn Inc: EPA TRI 2023 reporting year
Same facilities, both years
+4.2%
4 facilities that filed in 2022 and 2023
Whole inventory
+4.3%
27.7 thousand lb → 28.9 thousand lb, every facility that filed
Between the two reporting years, 2 facilities filed for the first time and 0 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.
- Nn Inc's total reported releases rose from 27.7 thousand lb in 2022 to 28.8 thousand lb in 2023, based on EPA TRI filings.
- Nn Inc's chemicals reported rose from 4 in 2022 to 5 in 2023, based on EPA TRI filings.
- Nn Inc's air releases rose from 3.6 thousand lb in 2022 to 4.1 thousand lb in 2023, based on EPA TRI filings.
- Nn Inc's off-site transfers rose from 24.1 thousand lb in 2022 to 24.7 thousand lb in 2023, based on EPA TRI filings.
TRI parent disclosure trail
Read Nn Inc from filing to facility
Largest Form R sites under this parent: General Metal Finishing LLC; Wauconda Tool & Engineering Co Inc; Autocam Precision Components; Autocam. Neighbor parents on the disclosure ladder: Eastman Chemical Co; Callaway Golf Co. Largest disclosed chemicals by pounds: Nitric acid; Nickel compounds; 1-Bromopropane; Nickel And Nickel Compounds; Trichloroethylene. Heaviest-reporting states in this extract: Massachusetts; Illinois; Michigan. Industry labels on the parent rollup: Fabricated Metals; Transportation Equipment; Electrical Equipment. 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: General Metal Finishing LLC; Wauconda Tool & Engineering Co Inc; Autocam Precision Components; Autocam. Neighbor parents on the disclosure ladder: Eastman Chemical Co; Callaway Golf Co. Largest disclosed chemicals by pounds: Nitric acid; Nickel compounds; 1-Bromopropane; Nickel And Nickel Compounds; Trichloroethylene. Heaviest-reporting states in this extract: Massachusetts; Illinois; Michigan. Industry labels on the parent rollup: Fabricated Metals; Transportation Equipment; Electrical Equipment.
Nn Inc ranks #1,526 of 4,988 slug-merged TRI parents, a smaller disclosed-volume parent relative to the national Form R parent set. Nn Inc files across 3 states, a regional parent portfolio rather than a single-state discloser. Releases are facility-concentrated: General Metal Finishing LLC accounts for most of Nn Inc's disclosed pounds, so peer comparisons should weight that site, not an even portfolio average.
Parent aggregation for Nn Inc follows facility-reported names. Compare the named neighbors (Eastman Chemical Co; Callaway Golf Co) before treating rank as a hazard score; TRI stays self-reported and unweighted by toxicity.
Where Nn Inc sits among TRI parents
Nn Inc sits on a disclosure ladder beside Eastman Chemical Co and Callaway Golf Co. Open those parents for a different facility count, state span, and chemical mix.
Higher disclosed volume
- Eastman Chemical Co · rank #1,524 · 2.5M lbs
- Callaway Golf Co · rank #1,525 · 1.5M lbs
Largest chemicals disclosed by Nn Inc
Nitric acid; Nickel compounds; 1-Bromopropane; Nickel And Nickel Compounds; Trichloroethylene lead the Form R pound rollup for this parent, including filings such as General Metal Finishing LLC. Pound totals, not toxicity-weighted risk.
| Chemical | Disclosed lbs |
|---|---|
| Nitric acid | 48.4K lbs |
| Nickel compounds | 24.7K lbs |
| 1-Bromopropane | 23.5K lbs |
| Nickel And Nickel Compounds | 22.7K lbs |
| Trichloroethylene | 5.9K lbs |
Where does this company operate?
| State | Facilities | Total Releases |
|---|---|---|
| Massachusetts | 3 | 93.1K lbs |
| Illinois | 1 | 29.4K lbs |
| Michigan | 2 | 22 lbs |
Facilities (6)
| Facility | Releases |
|---|---|
| General Metal Finishing LLC Attleboro, MA | 93.1K lbs |
| Wauconda Tool & Engineering Co Inc Algonquin, IL | 29.4K lbs |
| Autocam Precision Components Marshall, MI | 21 lbs |
| Autocam Dowagiac, MI | 1 lbs |
| Polymetallurgical LLC North Attleboro, MA | 0 lbs |
| Brainin Advance Industries Attleboro, MA | 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 Nn Inc on total disclosed release pounds (122.5K lbs) and reporting facility count (6). Release-volume peers include Hudson Technologies Inc, Chart Industries Inc, Terex Corp. Facility-count peers include Abbott Laboratories, Agribeef Co, Allnex USA 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 Massachusetts, Illinois, Michigan; facility-reported names can vary across subsidiaries.
Source: U.S. Environmental Protection Agency, TRI Basic Data Files
What to do with Nn Inc's TRI parent record
From Nn Inc, open General Metal Finishing LLC or compare against Eastman Chemical Co rather than reading rank alone.
- Open the largest Form R site for Nn Inc (General Metal Finishing LLC in MA). Largest facility
- Compare against Callaway Golf Co, the next-higher disclosed-volume parent. Higher-volume parent
- Browse the full parent release ranking to see where Nn Inc sits among all slug-merged TRI parents. All parent companies
Rank and peers (Eastman Chemical Co, Callaway Golf Co) are disclosure volume only, not toxicity-weighted risk or enforcement status.
Use and verify this record
Nn 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.