Probe Master INC
215 Denny Way, El Cajon, CA 92020
Operating signal within 12 months from two or more independent sources.
What they make
Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals334515The company makes oscilloscope probes, multimeter test leads toscope, and differential probes as well as test leads, patch cords, and BNC cables. It offers products in the 4900 Series, 5900 are available in the 150-300 MHz and 500 MHz frequency ranges. The company also sells accessories, holders,12" extender test leads, and items for designing custom test leads
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Products
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Q Microwave INC | El Cajon | Other Electronic Component Manufacturing 334419 | REPORTED CLOSED | 0.5 KM |
| Trex Aviation Systems Corporation | El Cajon | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | ACTIVE | 1.0 KM |
| Dynalectric CO | El Cajon | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515 | LIKELY ACTIVE | 1.2 KM |
| Micro-mode Products, INC. | El Cajon | Electronic Connector Manufacturing 334417 | ACTIVE | 1.5 KM |
| Brantner and Associates, INC. | El Cajon | Electronic Connector Manufacturing 334417 | ACTIVE | 1.6 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 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 | SEP 2025 | AUG 2026 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | AUG 2026 |
| CAGE CODE | SAM GOV | AUG 2026 |
| CITY | SAM GOV | AUG 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | AUG 2026 |
| REGISTRATION EXPIRATION | SAM GOV | AUG 2026 |
| STATE | SAM GOV | AUG 2026 |
| WEBSITE | SAM GOV | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.