Founded 1920
Doble Engineering Company
Marlborough, United States
Specialist diagnostics firm for the electric power industry offering an Insulating Materials Laboratory and dielectric/insulation testing services on apparatus rated up to 15 kV, plus regional labs in Indiana, North Carolina, and Texas.
- Headquarters
- Marlborough, United States
- Founded
- 1920
- Website
- www.doble.com
Notable facts
- Founded by Frank C. Doble in 1920, originating from a portable insulation test for transformer bushings
- Now part of the Utility Solutions Group of ESCO Technologies Inc. (NYSE: ESE)
Service categories
Sources. This profile is compiled from public reference data, WebSearch-verified againstsource 1 · source 2 · source 3. Data as of 2026-07-11. See methodology.
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