Operating signal within 12 months from two or more independent sources.
What they make
Other Electronic Component Manufacturing334419Metproco manufactures hermetically sealed Kovar feedthrus, housings, shrouds, and connectors for critical communications applications in military and commercial environments. The company specializes in glass-to-metal seals and custom designs. Metproco holds ISO 9001 and AS 9100 certifications.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Persimmon Technologies | Tyngsborough | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 0.9 KM |
| Piconics, INC. | Tyngsboro | Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing 334416 | LIKELY ACTIVE | 2.9 KM |
| Renesas Electronics America INC | Westford | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 3.3 KM |
| BAE Systems Electronic Systems PTP | Hudson | Other Electronic Component Manufacturing 334419 | LIKELY ACTIVE | 5.6 KM |
| Bae Systems Information & Electronic Systems Integration INC | Hudson | Other Electronic Component Manufacturing 334419 | LIKELY ACTIVE | 5.6 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 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.
EPA cross-references this facility in RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | JAN 2026 | JAN 2026 |
| EPA FRS | EXISTENCE | OCT 2021 | OCT 2021 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | JAN 2026 |
| CAGE CODE | SAM GOV | JAN 2026 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | JAN 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | JAN 2026 |
| REGISTRATION EXPIRATION | SAM GOV | JAN 2026 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | JAN 2026 |
| WEBSITE | SAM GOV | JAN 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


