Allied-signal Aerospace CO. Microelectronics & Technology Cntr
9140 Old Annapolis Road, Columbia, MD 21045
Operating signal within 24 months, or from a single source.
What they make
Semiconductor and Related Device Manufacturing334413Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Singh Material Science & Technology LLC | Ellicott City | Other Electronic Component Manufacturing 334419 | ACTIVE | 3.2 KM |
| Blue Wave Semiconductors INC | Columbia | Semiconductor Machinery Manufacturing 333242 | ACTIVE | 4.5 KM |
| Wiconnectglobal Corporation | Ellicott City | Semiconductor and Related Device Manufacturing 334413 | ACTIVE | 4.2 KM |
| American Aviation International Marketing LLC | Ellicott City | Other Electronic Component Manufacturing 334419 | ACTIVE | 4.1 KM |
| Supplyx LLC | Ellicott City | Other Electronic Component Manufacturing 334419 | ACTIVE | 5.0 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold this plant, and 7 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
EPA cross-references this facility in AIR, AIRS/AFS, MD-PEMIS, MD-RCRA, MD-TEMPO, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.
- EPA ECHO compliance recordsOPERATINGfirst seen NOV 2024 · last seen NOV 2024
- EPA Facility Registry ServiceEXISTENCERecord 110000796639 · first seen OCT 2016 · last seen OCT 2016
IN HOWARD COUNTY12 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 5 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- EPA: ALLIED-SIGNAL AEROSPACE CO. MICROELECTRONICS & TECHNOLOGY CNTR · OCT 2026
- Street address
- EPA: 9140 OLD ANNAPOLIS ROAD · OCT 2026
- City
- EPA: COLUMBIA · OCT 2026
- State
- EPA: MD · OCT 2026
- County (FIPS code)
- EPA: 24027 · OCT 2026
- Coordinates
- EPA: 39.23302,-76.82992 · OCT 2026
- Hazardous waste generator (RCRA)
- EPA ECHO: none · OCT 2026