Kuprion, INC.
4425 Fortran Dr, Ste K, San Jose, CA 95134
Operating signal within 12 months from two or more independent sources.
What they make
Copper Rolling, Drawing, Extruding, and Alloying331420Kuprion manufactures sintering pastes, adhesives, inks, and gaskets under the ActiveCopper™ brand, formulated to match thermal expansion coefficients of substrates including ceramics, silicon, and silicon carbide. The company serves the electric vehicle and 5G communications industries, offering lead-free alternatives to lead-based solder that support RoHS compliance while providing improved thermal and electrical conductivity.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- RoHS
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 |
|---|---|---|---|---|
| Siva Power INC | Santa Clara | Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) 331492 | UNVERIFIED | 1.7 KM |
| J & B Enterprises | Santa Clara | Secondary Smelting and Alloying of Aluminum 331314 | LIKELY ACTIVE | 3.9 KM |
| J & B Enterprises | Santa Clara | Nonferrous Metal (except Aluminum) Smelting and Refining 331419 | UNVERIFIED | 4.6 KM |
| Headquarters | Santa Clara | Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding 331491 | LIKELY ACTIVE | 5.9 KM |
| Aci Alloys, INC | San Jose | Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) 331492 | ACTIVE | 5.3 KM |
Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
WHERE THIS RECORD COMES FROM — 4 FEDERAL SOURCES, 9 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in RCRAINFO, SSTS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | MAY 2026 | MAY 2026 |
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| EPA FRS | EXISTENCE | NOV 2019 | NOV 2019 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | MAY 2026 |
| CAGE CODE | SAM GOV | MAY 2026 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | MAY 2026 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | MAY 2026 |
| REGISTRATION EXPIRATION | SAM GOV | MAY 2026 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | MAY 2026 |
| WEBSITE | SAM GOV | MAY 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


