Mack Trucks
13302 Pennsylvania Avenue, Hagerstown, MD 21742, Washington County
A manufacturing facility in Hagerstown, Maryland, listed in EPA records under motor vehicle transmission and power train parts manufacturing (NAICS 336350) and also other engine equipment manufacturing. It is one of 2,251 active manufacturing facilities in EPA records in Maryland, 78 of them in Hagerstown.
- Industry
- Vehicles, aircraft and parts
- NAICS 336
- TRI reporter
- Yes
- Inspections, 5 yr
- 6
- EPA registry ID
- 110000340391
- Revised
- November 1, 2026
What's made here
- Motor Vehicle Transmission and Power Train Parts Manufacturing (NAICS 336350)
- Other Engine Equipment Manufacturing (NAICS 333618)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 21740MCKTR1999P). |
|---|---|
| Clean Air Act | Listed as a major source of air emissions. |
| Clean Water Act | A non-major water discharge permit (NPDES). |
| Hazardous waste (RCRA) | Listed as a large quantity generator of hazardous waste (1,000 kg or more a month). |
| Inspections | 6 in the last five years; most recent March 26, 2026. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records