Present in a source dataset, with no recent operating signal.
What they make
Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals334515- condition monitoring
- electrical test instruments
- high power test systems
- tests
- circuit breakers
- transformers
- cables
- overhead lines
- rotating machines
- insulating materials
- DC HIPOT/Insulation
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Day Zero Diagnostics | Watertown | Analytical Laboratory Instrument Manufacturing 334516 | LIKELY ACTIVE | 0.0 KM |
| United Electric Controls Company | Watertown | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | LIKELY ACTIVE | 0.7 KM |
| Ge Ionics | Watertown | Plastics Material and Resin Manufacturing 325211 | UNVERIFIED | 1.7 KM |
| Avanti Battery Company | Watertown | Analytical Laboratory Instrument Manufacturing 334516 | LIKELY ACTIVE | 1.9 KM |
| Fresh Pond Ventures LLC | Belmont | Electromedical and Electrotherapeutic Apparatus Manufacturing 334510 | ACTIVE | 3.0 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold this plant, and 7 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 AIR, AIRS/AFS, EIS, MA-EPICS, RCRAINFO · EPA site type STATIONARY.
- EPA Facility Registry ServiceEXISTENCERecord 110007369926 · first seen JUN 2017 · last seen JUN 2017
- EPA ECHO compliance recordsOPERATINGfirst seen OCT 2013 · last seen OCT 2013
IN MIDDLESEX COUNTY277 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 92 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.
- Name
- EPA: DOBLE ENGINEERING COMPANY · OCT 2026
- Street address
- EPA: 85 WALNUT STREET · OCT 2026
- City
- EPA: WATERTOWN · OCT 2026
- State
- EPA: MA · OCT 2026
- County (FIPS code)
- EPA: 25017 · OCT 2026
- Coordinates
- EPA: 42.365239,-71.1727 · OCT 2026
- Hazardous waste generator (RCRA)
- EPA ECHO: none · OCT 2026