American Microsemiconductor INC
133 Kings Rd, Madison, NJ 07940
REPORTED CLOSEDLAST SEEN IN FEDERAL DATA DEC 2025 · 2 SOURCES
A closure has been reported but not corroborated.
What they make
Semiconductor and Related Device Manufacturing334413Where it is
40.75281, -74.40930 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| General Dynamics Mission Systems, INC. | Florham Park | Electronic Computer Manufacturing 334111 | LIKELY ACTIVE | 5.4 KM |
| Coherent INC | East Hanover Twp | Other Basic Inorganic Chemical Manufacturing 325188 | UNVERIFIED | 6.2 KM |
| Noisewave CORP | East Hanover | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | LIKELY ACTIVE | 7.2 KM |
| CAES Systems LLC - Whippany | Whippany | Other Electronic Component Manufacturing 334419 | LIKELY ACTIVE | 7.6 KM |
| Caes Mission Systems LLC | Whippany | Other Electronic Component Manufacturing 334419 | ACTIVE | 7.6 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 8 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.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| DEAD SITE | EXISTENCE | AUG 2026 | AUG 2026 |
| SAM GOV | OPERATING | DEC 2025 | DEC 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | DEC 2025 |
| CAGE CODE | SAM GOV | DEC 2025 |
| CITY | SAM GOV | DEC 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | DEC 2025 |
| REGISTRATION EXPIRATION | SAM GOV | DEC 2025 |
| STATE | SAM GOV | DEC 2025 |
| WEBSITE | SAM GOV | DEC 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.