Proto Works
3956 Yosemite Ave, Lathrop, CA 95330
Present in a source dataset, with no recent operating signal.
What they make
Other Motor Vehicle Parts Manufacturing336399Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Aisin Electronics, INC. | Stockton | Other Electronic Component Manufacturing 334419 | REPORTED CLOSED | 11.6 KM |
| Lfw Manufacturing INC | Stockton | Machine Shops 332710 | UNVERIFIED | 16.8 KM |
| Geiger Manufacturing INC | Stockton | Machine Shops 332710 | UNVERIFIED | 17.2 KM |
| Ripon Manufacturing CO INC | Ripon | Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812 | UNVERIFIED | 15.9 KM |
| Lemnos Technologies, LLC | Woodbridge | Military Armored Vehicle, Tank, and Tank Component Manufacturing 336992 | ACTIVE | 39.8 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
1 source holds this plant, and 7 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.
- EPA Facility Registry ServiceEXISTENCERecord 110070447971 · first seen JAN 2019 · last seen JAN 2019
IN SAN JOAQUIN COUNTY23 other plants share this one’s industry (Motor Vehicle Parts Manufacturing, NAICS 3363); 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: PROTO WORKS · OCT 2026
- Street address
- EPA: 3956 YOSEMITE AVE · OCT 2026
- City
- EPA: LATHROP · OCT 2026
- State
- EPA: CA · OCT 2026
- County (FIPS code)
- EPA: 06077 · OCT 2026
- Coordinates
- EPA: 37.792675,-121.287032 · OCT 2026
- Hazardous waste generator (RCRA)
- EPA ECHO: none · OCT 2026
