Michigan Seamless Tube, LLC
400 Mc Munn Street, South Lyon, MI 48178, Oakland County
A manufacturing facility in South Lyon, Michigan, listed in EPA records under iron and steel pipe and tube manufacturing from purchased steel (NAICS 331210) and also iron and steel mills and ferroalloy manufacturing. It is one of 6,071 active manufacturing facilities in EPA records in Michigan.
- Industry
- Primary metals
- NAICS 331
- TRI reporter
- Yes
- Inspections, 5 yr
- 5
- EPA registry ID
- 110010306784
- Revised
- November 1, 2026
What's made here
- Iron and Steel Pipe and Tube Manufacturing from Purchased Steel (NAICS 331210)
- Iron and Steel Mills and Ferroalloy Manufacturing (NAICS 331110)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 48178QNXMC400MC). |
|---|---|
| Clean Air Act | Listed as a synthetic minor source (permit limits keep it below major-source levels) of air emissions. |
| Clean Water Act | A major water discharge permit (NPDES). |
| Hazardous waste (RCRA) | Listed as a large quantity generator of hazardous waste (1,000 kg or more a month). |
| Greenhouse gas reporting | Reports to the Greenhouse Gas Reporting Program. |
| Inspections | 5 in the last five years; most recent June 17, 2026. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records