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 Variables334513Teilch manufactures particle analysis equipment including airborne particle analyzers, surface particle analysis instruments, particle monitoring devices, and optical controllers. The company's products perform real-time particle counting and sizing analysis, ISO Class determination, and EPA PM10 and PM2.5 monitoring.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
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 | 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 |
| Element Biosciences | Sunnyvale | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | UNVERIFIED | 0.2 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 FEDERAL SOURCES, 2 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 | JUL 2026 |
| SAM GOV | OPERATING | OCT 2025 | OCT 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| GEOM | CENSUS GEOCODER | JUL 2026 |
| WEBSITE | COMPANY SITE | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


