American Superconductor Corporation
114 East Main St, Ayer, MA 01432
UNVERIFIEDLAST SEEN IN FEDERAL DATA — · 1 SOURCE
Present in a source dataset, with no recent operating signal.
What they make
Current-Carrying Wiring Device Manufacturing335931Where it is
42.55444, -71.57532 · CENSUS TIGER
COUNTY
ON GOOGLE MAPS
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| American Superconductor | Ayer | Current-Carrying Wiring Device Manufacturing 335931 | LIKELY ACTIVE | 0.0 KM |
| American Superconductor CORP | Ayer | Current-Carrying Wiring Device Manufacturing 335931 | ACTIVE | 0.1 KM |
| Randolph & Baldwin, INC. | Ayer | All Other Miscellaneous Fabricated Metal Product Manufacturing 332999 | LIKELY ACTIVE | 0.8 KM |
| American Superconductor | Ayer | Nonferrous Forging 332112 | UNVERIFIED | 1.8 KM |
| Mg Harry J Malony Usarc | Devens | Battery Manufacturing 335911 | UNVERIFIED | 2.4 KM |
Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 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.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA FRS | EXISTENCE | NOV 2019 | NOV 2019 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | SEP 2026 |
| CITY | EPA FRS | SEP 2026 |
| COUNTY FIPS | EPA FRS | SEP 2026 |
| GEOM | EPA FRS | SEP 2026 |
| NAME | EPA FRS | SEP 2026 |
| STATE | EPA FRS | SEP 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.