Microaeth Corporation
3085 21st St, San Francisco, CA 94110
Operating signal within 12 months from two or more independent sources.
What they make
All Other Miscellaneous Manufacturing339999- air quality monitors
- instruments
- MA200
- measure exposures
- concentrations
- vehicles
- bicycles
- trains
- planes
- researchers
- scientists
- wildfires
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Khan Space Industries, INC. | San Francisco | All Other Miscellaneous Manufacturing 339999 | ACTIVE | 0.3 KM |
| Imagination Supply Company | San Francisco | Other Electronic Component Manufacturing 334419 | ACTIVE | 0.9 KM |
| Gizmo Art Production, INC | San Francisco | All Other Miscellaneous Food Manufacturing 311999 | ACTIVE | 1.3 KM |
| Magrathea Metals INC. | San Francisco | All Other Miscellaneous Manufacturing 339999 | LIKELY ACTIVE | 2.2 KM |
| Vivas Banners & Signs, INC. | San Francisco | Sign Manufacturing 339950 | ACTIVE | 2.2 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.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord NVFHWSQWBC69 · first seen FEB 2026 · last seen OCT 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecord 452532548|CA|94110|3085 21st st · first seen DEC 2024 · last seen DEC 2024
IN SAN FRANCISCO COUNTY24 other plants share this one’s industry (Other Miscellaneous Manufacturing, NAICS 3399); 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: MICROAETH CORPORATION
- Street address
- SAM.gov: 3085 21ST ST
- City
- SAM.gov: SAN FRANCISCO
- State
- SAM.gov: CA
- Coordinates
- Census geocoder: 37.757129940383,-122.416362743547 · JUL 2026
- Employees (band)
- DOL: 1-19 · DEC 2024
- Website
- SAM.gov: https://aethlabs.com
- CAGE code
- SAM.gov: 6F5J5
- Retirement plan filing (Form 5500)
- DOL: 5 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- SAM registration expires
- SAM.gov: 2027-02-10


