Custom Microwave Components, INC.
44249 Old Warm Springs Blvd, Fremont, CA 94538
Operating signal within 12 months from two or more independent sources.
What they make
Printed Circuit Assembly (Electronic Assembly) Manufacturing334418- microwave switching components
- assemblies
- 2-pole
- 7-pole
- switches
- attenuators
- phase shifters
- switch matrices
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- AS9100
- ISO 9001
Read from this company’s own website on August 9, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Bay Area Circuits | Fremont | Bare Printed Circuit Board Manufacturing 334412 | UNVERIFIED | 0.1 KM |
| Golden Altos Corporation | Fremont | Semiconductor and Related Device Manufacturing 334413 | ACTIVE | 0.2 KM |
| Applied Thin Film Products - Edison | Fremont | Semiconductor and Related Device Manufacturing 334413 | LIKELY ACTIVE | 0.3 KM |
| Applied Thin Film Products - Yale | Fremont | Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing 334416 | LIKELY ACTIVE | 0.3 KM |
| Tooltek Engineering Corporation | Fremont | Semiconductor and Related Device Manufacturing 334413 | LIKELY ACTIVE | 0.5 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 sources hold this plant, and 9 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
EPA cross-references this facility in CA-ENVIROVIEW, RCRAINFO · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord HQBFNDB4PN55 · first seen MAY 2026 · last seen MAY 2026
- EPA Facility Registry ServiceEXISTENCERecord 110065054835 · first seen OCT 2015 · last seen OCT 2015
ALSO RECORDED ASCUSTOM MICROWAVE COMPONENTS
IN ALAMEDA COUNTY228 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 44 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- NameSOURCES DISAGREE
- EPA: CUSTOM MICROWAVE COMPONENTS · JUL 2026
- SAM.gov: CUSTOM MICROWAVE COMPONENTS, INC. · MAY 2026 · ON THIS PAGE
- Street address
- EPA: 44249 OLD WARM SPRINGS BLVD. · JUL 2026 · ON THIS PAGE
- SAM.gov: 44249 OLD WARM SPRINGS BLVD · MAY 2026 · ON THIS PAGE
- City
- EPA: FREMONT · JUL 2026 · ON THIS PAGE
- SAM.gov: FREMONT · MAY 2026 · ON THIS PAGE
- State
- EPA: CA · JUL 2026 · ON THIS PAGE
- SAM.gov: CA · MAY 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 06001 · SEP 2026
- Coordinates
- EPA: 37.50687,-121.94702 · JUL 2026
- Website
- SAM.gov: http://www.customwave.com · MAY 2026
- CAGE code
- SAM.gov: 7W858 · MAY 2026
- SAM registration expires
- SAM.gov: 2027-05-13 · MAY 2026


