International Wafer Service, INC
44 W Church St, Colfax, CA 95713
Operating signal within 12 months from two or more independent sources.
What they make
Semiconductor and Related Device Manufacturing334413- microfab processing
- MEMS development processing
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Supreme Edgelight Devices, INC. | Grass Valley | Other Electronic Component Manufacturing 334419 | ACTIVE | 14.3 KM |
| Measurement Specialties | Grass Valley | Semiconductor and Other Electronic Component Manufacturing 334415 | UNVERIFIED | 14.6 KM |
| Measurement Specialties INC | Grass Valley | Semiconductor and Other Electronic Component Manufacturing 334415 | ACTIVE | 14.8 KM |
| High Country Tek INC | Nevada City | Bare Printed Circuit Board Manufacturing 334412 | UNVERIFIED | 17.4 KM |
| Etech Controls Corporation | Newcastle | Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418 | ACTIVE | 28.3 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold this plant, and 8 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.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord VKD5MV1JFRY7 · first seen JUN 2026 · last seen JUN 2026
IN PLACER COUNTY13 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 4 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.
- Name
- SAM.gov: INTERNATIONAL WAFER SERVICE, INC · JUN 2026
- Street address
- SAM.gov: 44 W CHURCH ST · JUN 2026
- City
- SAM.gov: COLFAX · JUN 2026
- State
- SAM.gov: CA · JUN 2026
- Coordinates
- Census geocoder: 39.099578846877,-120.954931226662 · JUL 2026
- Website
- SAM.gov: http://WWW.SIWAFER.COM · JUN 2026
- CAGE code
- SAM.gov: 0WX14 · JUN 2026
- SAM registration expires
- SAM.gov: 2027-06-10 · JUN 2026