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Doble offers diagnostic instruments, services, and the world”s premier library of statistically
significant apparatus test results for the benefit of energy generation and delivery
companies and industrial power users worldwide.

Doble was acquired by ESCO Technologies Inc. (NYSE: ESE) in 2007. Doble continues
to be operated as a stand-alone company.


Wireless Sensor Systems for SmartGrid Applications
Bringing advanced sensing solutions to electricalswitchgear monitoring through Surface Acoustic Wave technology.

IntelliSAW – Helping you build a Smarter Grid.


SONEL SA has existed since June 1994. The company””””s
founders were electrical engineers – people who had good
knowledge of the market needs for specialized test equipment.
In 1998 there was a change of name and legal status and as a
result SONEL S.A. was established.

Currently, the company operates within the Świdnica Sub-Zone of the Wałbrzych Special Economic Zone.


Sofamel S.A. is a Spanish company dedicated to the production of electrical material of connection, as well as safety and electric protection material. Sofamel Sofamel S.A main objective has been to reach a high degree of specialization with the aim of providing a global solution for our clients. The same backed up by strict quality standards and by important investments in machinery and design for the manufacturing of all those products that the factory produces. This has allowed Sofamel to offer one of the most extensive ranges of articles that exist on the market.
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