Sierra Precision Optics INC
12830 Earhart Ave, Auburn, CA 95602
Operating signal within 12 months from two or more independent sources.
What they make
Other Pressed and Blown Glass and Glassware Manufacturing327212- aerospace
- defense
- imaging
- medical
- quantities small
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| International Wafer Service, INC | Colfax | Semiconductor and Related Device Manufacturing 334413 | ACTIVE | 20.0 KM |
| Farlows Scientific Glassblowing INC | Grass Valley | Glass Product Manufacturing Made of Purchased Glass 327215 | UNVERIFIED | 30.7 KM |
| Demtech Services INC | Diamond Springs | Other Pressed and Blown Glass and Glassware Manufacturing 327212 | UNVERIFIED | 35.9 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
5 sources hold this plant, and 13 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 HUWLFR6HQ477 · first seen DEC 2025 · last seen DEC 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 562413957|CA|95602|12830 earhart ave · first seen DEC 2024 · last seen DEC 2024
- SBA Paycheck Protection Program loan recordsEXISTENCERecord CA|auburn|12830 earhart ave · first seen JAN 2021 · last seen JAN 2021
- EPA Facility Registry ServiceEXISTENCERecord 110070449232 · first seen JAN 2019 · last seen JAN 2019
IN PLACER COUNTY1 other plant shares this one’s industry (Glass and Glass Product Manufacturing, NAICS 3272); 0 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 PRECISION OPTICS INC · JUL 2026 · ON THIS PAGE
- SAM.gov: SIERRA PRECISION OPTICS INC · DEC 2025 · ON THIS PAGE
- Street address
- EPA: 12830 EARHART AVE · JUL 2026 · ON THIS PAGE
- SAM.gov: 12830 EARHART AVE · DEC 2025 · ON THIS PAGE
- City
- EPA: AUBURN · JUL 2026 · ON THIS PAGE
- SAM.gov: AUBURN · DEC 2025 · ON THIS PAGE
- State
- EPA: CA · JUL 2026 · ON THIS PAGE
- SAM.gov: CA · DEC 2025 · ON THIS PAGE
- County (FIPS code)
- EPA: 06061 · SEP 2026
- Coordinates
- EPA: 38.950771,-121.085491 · JUL 2026
- Employees (band)
- DOL: 20-99 · DEC 2024
- Website
- SAM.gov: www.sierraoptics.com · DEC 2025
- Year established
- Company website: 1994 · AUG 2026
- CAGE code
- SAM.gov: 3UFD2 · DEC 2025
- Retirement plan filing (Form 5500)
- DOL: 29 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- PPP loan
- SBA PPP: PPP loan x2, approved 2021-01-20, 30 jobs reported · JAN 2021
- SAM registration expires
- SAM.gov: 2026-12-02 · DEC 2025