Operating signal within 12 months from two or more independent sources.
What they make
Bare Printed Circuit Board Manufacturing334412- printed circuit boards
- quick turns
- fabrication
- sequential lamination
- HASL
- plating
- modeling
- testing
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Nano Materials International CORP | Tucson | Other Electronic Component Manufacturing 334419 | ACTIVE | 1.0 KM |
| Arizona Capacitors, INC | Tucson | Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing 334416 | ACTIVE | 3.6 KM |
| Cryoweave LLC | Tucson | Other Electronic Component Manufacturing 334419 | ACTIVE | 3.9 KM |
| Preferred Chassis Fabrication INC | Tucson | All Other Transportation Equipment Manufacturing 336999 | ACTIVE | 4.6 KM |
| Materion Brush INC | Tucson | Pottery, Ceramics, and Plumbing Fixture Manufacturing 327113 | LIKELY ACTIVE | 5.5 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
4 sources hold this plant, and 11 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 AZURITE, BR, ICIS, RCRAINFO, TRIS · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord MWWXGVB4P7E8 · first seen JAN 2026 · last seen JAN 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecord 911374474|AZ|85713|3760 e 43rd pl · first seen DEC 2024 · last seen DEC 2024
- EPA Facility Registry ServiceEXISTENCERecord 110000898342 · first seen MAR 2021 · last seen MAR 2021
ALSO RECORDED ASPROTOTRON CIRCUITS SW
IN PIMA COUNTY20 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 5 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.
- NameSOURCES DISAGREE
- EPA: PROTOTRON CIRCUITS SW · JUL 2026
- SAM.gov: PROTOTRON CIRCUITS SOUTHWEST INC · JAN 2026 · ON THIS PAGE
- Street addressSOURCES DISAGREE
- EPA: 3760 E 43RD PLACE · JUL 2026
- SAM.gov: 3760 E 43RD PL · JAN 2026 · ON THIS PAGE
- City
- EPA: TUCSON · JUL 2026 · ON THIS PAGE
- SAM.gov: TUCSON · JAN 2026 · ON THIS PAGE
- State
- EPA: AZ · JUL 2026 · ON THIS PAGE
- SAM.gov: AZ · JAN 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 04019 · SEP 2026
- Coordinates
- EPA: 32.1861,-110.91181 · JUL 2026
- Employees (band)
- DOL: 20-99 · DEC 2024
- Website
- SAM.gov: www.Prototron.com · JAN 2026
- CAGE code
- SAM.gov: 66108 · JAN 2026
- Retirement plan filing (Form 5500)
- DOL: 33 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- SAM registration expires
- SAM.gov: 2027-01-06 · JAN 2026