Northrop Grumman Systems Corporation - Elkton
55 Thiokol Rd, Elkton, MD 21921, Cecil County
A manufacturing facility in Elkton, Maryland, listed in EPA records under guided missile and space vehicle manufacturing (NAICS 336414) and also guided missile and space vehicle propulsion unit and propulsion unit parts manufacturing. It is one of 2,251 active manufacturing facilities in EPA records in Maryland, 34 of them in Elkton.
- Industry
- Vehicles, aircraft and parts
- NAICS 336
- TRI reporter
- Yes
- Inspections, 5 yr
- 8
- EPA registry ID
- 110019877409
- Revised
- November 1, 2026
What's made here
- Guided Missile and Space Vehicle Manufacturing (NAICS 336414)
- Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing (NAICS 336415)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 21921MRTNT55THI). |
|---|---|
| Clean Air Act | Listed as a synthetic minor source (permit limits keep it below major-source levels) 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); and an operating hazardous waste treatment, storage or disposal facility. |
| Inspections | 8 in the last five years; most recent August 4, 2026. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records