Operating signal within 12 months from two or more independent sources.
What they make
Relay and Industrial Control Manufacturing335314Menlo Microsystems designs and fabricates high-power RF MEMS switches. The company produces RF switches, high-speed loopback switches, cryo and quantum switches, RF subsystems, power relays, and power management products. It serves the communications and 5G, aerospace and defense, test and measurement, and medical industries.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Products
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Majestic12 Electronics, INC. | Irvine | Semiconductor and Related Device Manufacturing 334413 | ACTIVE | 1.8 KM |
| Area51-esg, INC. | Irvine | Semiconductor and Related Device Manufacturing 334413 | ACTIVE | 1.8 KM |
| Itt Cannon LLC | Irvine | Electronic Connector Manufacturing 334417 | ACTIVE | 1.8 KM |
| Meggitt (orange County), INC. | Irvine | Analytical Laboratory Instrument Manufacturing 334516 | LIKELY ACTIVE | 4.3 KM |
| Staco Systems, INC. | Irvine | Switchgear and Switchboard Apparatus Manufacturing 335313 | ACTIVE | 4.2 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 9 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 |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | SEP 2025 | SEP 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | SEP 2025 |
| CAGE CODE | SAM GOV | SEP 2025 |
| CITY | SAM GOV | SEP 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | SEP 2025 |
| REGISTRATION EXPIRATION | SAM GOV | SEP 2025 |
| STATE | SAM GOV | SEP 2025 |
| WEBSITE | SAM GOV | SEP 2025 |
| YEAR ESTABLISHED | SITE YEAR | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


