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Allied-signal Aerospace CO. Microelectronics & Technology Cntr

9140 Old Annapolis Road, Columbia, MD 21045

LIKELY ACTIVELAST SEEN IN FEDERAL DATA NOV 2024 · 2 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Semiconductor and Related Device Manufacturing334413

Where it is

39.23302, -76.82992 · CENSUS TIGER
COUNTY
METRO AREA
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Other plants nearby

FacilityCityIndustryStatusDistance
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Wiconnectglobal CorporationEllicott CitySemiconductor and Related Device Manufacturing
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American Aviation International Marketing LLCEllicott CityOther Electronic Component Manufacturing
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Every listed plant in Howard County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 6 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in AIR, AIRS/AFS, MD-PEMIS, MD-RCRA, MD-TEMPO, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
EPA ECHOOPERATINGNOV 2024NOV 2024
EPA FRSEXISTENCEOCT 2016OCT 2016
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
CITYEPA FRSJUL 2026
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
RCRA GENERATOR STATUSEPA ECHOSEP 2026
STATEEPA FRSJUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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