Operating signal within 12 months from two or more independent sources.
What they make
Petroleum Lubricating Oil and Grease Manufacturing324191- precision machining shop
- CNC milling
- turning services
- finishing services
- art machinery
- Bay Area
- small jobs
- production runs
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Mission Valley Rock CO | Sunol | Asphalt Paving Mixture and Block Manufacturing 324121 | LIKELY ACTIVE | 18.8 KM |
| San Pablo Bay Pipeline Company LLC | Tracy | Petroleum Refineries 324110 | UNVERIFIED | 17.7 KM |
| Chevron Marine Products LLC | San Ramon | Petroleum Lubricating Oil and Grease Manufacturing 324191 | LIKELY ACTIVE | 20.9 KM |
| Saint Gobain Dba Certainteed Corporation | Fremont | Asphalt Shingle and Coating Materials Manufacturing 324122 | LIKELY ACTIVE | 30.5 KM |
| Teichert Aggregates | Tracy | Asphalt Paving Mixture and Block Manufacturing 324121 | UNVERIFIED | 28.2 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.
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 W67EFNKP9XL1 · first seen JAN 2026 · last seen JAN 2026
- EPA Facility Registry ServiceEXISTENCERecord 110071829841 · first seen OCT 2024 · last seen OCT 2024
IN ALAMEDA COUNTY49 other plants share this one’s industry (Petroleum and Coal Products Manufacturing, NAICS 3241); 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: HALFAB, INC. · JUL 2026 · ON THIS PAGE
- SAM.gov: HALFAB, INC · JAN 2026 · ON THIS PAGE
- Street address
- EPA: 371 PRESTON CT · JUL 2026 · ON THIS PAGE
- SAM.gov: 371 PRESTON CT · JAN 2026 · ON THIS PAGE
- City
- EPA: LIVERMORE · JUL 2026 · ON THIS PAGE
- SAM.gov: LIVERMORE · JAN 2026 · ON THIS PAGE
- State
- EPA: CA · JUL 2026 · ON THIS PAGE
- SAM.gov: CA · JAN 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 06001 · SEP 2026
- Coordinates
- Census geocoder: 37.700373132943,-121.736065730638 · JUL 2026 · ON THIS PAGE
- EPA: 37.700112,-121.735937 · JUL 2026 · ON THIS PAGE
- Website
- SAM.gov: HALFAB.COM · JAN 2026
- Year established
- Company website: 1991 · AUG 2026
- CAGE code
- SAM.gov: 4R8V6 · JAN 2026
- SAM registration expires
- SAM.gov: 2026-12-31 · JAN 2026


