Teilch LLC
1290 Hammerwood Ave, Sunnyvale, CA 94089
Operating signal within 12 months from two or more independent sources.
What they make
Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables334513- environment monitoring
- optical controllers
- PM10
- PM2.5
- surface particle analysis
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Onda Corporation | Sunnyvale | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | LIKELY ACTIVE | 0.0 KM |
| Art Robbins Instruments, LLC | Sunnyvale | Analytical Laboratory Instrument Manufacturing 334516 | ACTIVE | 0.2 KM |
| Nexyn Corporation | Sunnyvale | Other Electronic Component Manufacturing 334419 | ACTIVE | 0.2 KM |
| Stanford Research Systems INC. | Sunnyvale | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515 | ACTIVE | 0.3 KM |
| Srs | Sunnyvale | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515 | LIKELY ACTIVE | 0.3 KM |
Also at this address
More than one federal record exists for this street address. The primary record for the site is listed first.
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 T2AWL1KQ6G65 · first seen OCT 2025 · last seen OCT 2026
IN SANTA CLARA COUNTY296 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 50 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: TEILCH LLC · OCT 2026
- Street address
- SAM.gov: 1290 HAMMERWOOD AVE · OCT 2026
- City
- SAM.gov: SUNNYVALE · OCT 2026
- State
- SAM.gov: CA · OCT 2026
- Coordinates
- Census geocoder: 37.410233728691,-121.990302469478 · JUL 2026
- Website
- Company website: www.teilch.com · JUL 2026 · ON THIS PAGE
- SAM.gov: www.teilch.com · OCT 2026 · ON THIS PAGE
- CAGE code
- SAM.gov: 80C47 · OCT 2026
- SAM registration expires
- SAM.gov: 2027-09-30 · OCT 2026


