Operating signal within 24 months, or from a single source.
What they make
Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables334513Doble Engineering provides condition,Docle Engineering provides condition monitoring, electrical test instruments, and high power test systems. The company tests circuit breakers, transformers, cables, GIS, switchgear, overhead lines, rotating machines, and insulating materials using AC and DC HIPOT/Insulation Analyzers, and do certifications, design, and testing,The company serves the diagnostics and energy industries.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
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| Otto Instrument Service, INC. | Ontario | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | ACTIVE | 0.7 KM |
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Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 6 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 · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA FRS | EXISTENCE | SEP 2025 | JAN 2026 |
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.