Prob-test INC
364 W Tullock St, Rialto, CA 92376
Operating signal within 12 months from two or more independent sources.
What they make
Other Electronic Component Manufacturing334419Prob-Test, Inc. manufactures opto-electronics and military training equipment, including laser transmitters, man-worn detectors, vehicle detector assemblies, printed circuit cards, and cable harness assemblies. The company serves the optics and sensors industry, with expertise in lasers and optics technology. The company has developed and patented devices for MILES training equipment across multiple generations.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Products
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Tri Star Electronics Intl INC | Riverside | Electronic Connector Manufacturing 334417 | UNVERIFIED | 6.7 KM |
| R&r Machine Products INC. | San Bernardino | Other Electronic Component Manufacturing 334419 | UNVERIFIED | 7.2 KM |
| Bourns, Inc. - Riverside, CA | Riverside | Other Electronic Component Manufacturing 334419 | LIKELY ACTIVE | 9.0 KM |
| Bourns, Inc. - Auburn Hills, MI | Riverside | Other Electronic Component Manufacturing 334419 | LIKELY ACTIVE | 9.0 KM |
| Bourns INC | Riverside | Other Electronic Component Manufacturing 334419 | UNVERIFIED | 9.1 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 8 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.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | JAN 2026 | JAN 2026 |
| SBA LOANS | EXISTENCE | JUN 2011 | JUN 2011 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | JAN 2026 |
| CAGE CODE | SAM GOV | JAN 2026 |
| CITY | SAM GOV | JAN 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | JAN 2026 |
| REGISTRATION EXPIRATION | SAM GOV | JAN 2026 |
| STATE | SAM GOV | JAN 2026 |
| WEBSITE | SAM GOV | JAN 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.