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- devices
- measurement
- mass flow controllers
- thermal mass flow meters
- vortex flow meters
- OEM solutions
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
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
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- ISO 14001
- 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 |
|---|---|---|---|---|
| Ion Dx, INC. | Monterey | Analytical Laboratory Instrument Manufacturing 334516 | ACTIVE | 0.8 KM |
| Dataray INC | Monterey | Analytical Laboratory Instrument Manufacturing 334516 | ACTIVE | 1.3 KM |
| Dataray INC | Monterey | Analytical Laboratory Instrument Manufacturing 334516 | ACTIVE | 1.3 KM |
| Ppt Group CORP | Monterey | Other Measuring and Controlling Device Manufacturing 334519 | ACTIVE | 1.6 KM |
| Kurz Instruments, INC. | Monterey | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | ACTIVE | 2.7 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 sources hold this plant, and 10 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 RCRAINFO · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord MLXEWY77DM47 · first seen MAR 2026 · last seen OCT 2026
- EPA Facility Registry ServiceEXISTENCERecord 110072090160 · first seen NOV 2025 · last seen NOV 2025
IN MONTEREY COUNTY9 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 3 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
- EPA: SIERRA INSTRUMENTS, INC. · JUL 2026 · ON THIS PAGE
- SAM.gov: SIERRA INSTRUMENTS, INC. · ON THIS PAGE
- Street addressSOURCES DISAGREE
- EPA: 20 RYAN RANCH RD · JUL 2026
- SAM.gov: 20 RYAN RANCH RD STE 109 · ON THIS PAGE
- City
- EPA: MONTEREY · JUL 2026 · ON THIS PAGE
- SAM.gov: MONTEREY · ON THIS PAGE
- State
- EPA: CA · JUL 2026 · ON THIS PAGE
- SAM.gov: CA · ON THIS PAGE
- County (FIPS code)
- EPA: 06053 · SEP 2026
- Coordinates
- EPA: 36.584951,-121.825028 · JUL 2026
- Website
- SAM.gov: http://www.sierrainstruments.com
- CAGE code
- SAM.gov: 56629
- SAM registration expires
- SAM.gov: 2027-03-11
- State business registration
- TX Comptroller: SIERRA INSTRUMENTS, INC., registered with the Texas Comptroller of Public Accounts; Corporation; registered 1993-12-06; withdrawn 1997-08-29 · AUG 1997