Prob-test INC
Prob-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
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersRialto, CA
SAM.gov UEIQJL2EGMQ6GU7
What they make
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Prob-test INC | Rialto | CA | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.

