AMPROBE TEST TOOLS - USA
Amprobe® began life in Long Island, NY in the late 1940's under the name Pyramid Instrument Company. In 1960 the company name was formally changed to Amprobe Instrument Corporation. Amprobe® offers a wide range of devices, which are the preferred choice of professionals for testing and measuring electrical properties in various field applications. Amprobe's feature-rich products have a reputation for high reliability at competitive prices. Primary products include clamp-on ammeters, power quality analyzers, Multimeters (volt/amp/ohmmeters), and circuit tracers. Amprobe® is moving beyond test equipment to become a world-class supplier of testing, monitoring, and problem-solving instruments.

CATU, S.A - France
CATU was created in 1919 and, since the beginning, it has dedicated its activity to the manufacture of material and equipment for electricity networks and installations. Since 1936, CATU's activity has been concentrated on equipment for personal protection against electrical hazards and accordingly, has now more than 60 years experience in this field. CATU's experience and level of investment and research is unmatched. As a member of the main national and international technical committees (such as UTE, CENELEC, IEC and ASTM), CATU is contributing to the development and application of the latest technologies. This quest for continuous improvement is now reinforced with the ISO 9001:2000 Quality Insurance Certification.

CITEL-2CP - France
Since 1937, CITEL Inc has manufactured a complete line of surge protective devices (SPD) to protect sensitive equipment from the harmful effects of lightning strikes and other power line disturbances. CITEL is a world leader in transient voltage surge suppression products and components including AC power surge protection, DC power surge protectors, RF coaxial surge suppressors and the component gas discharge tube (GDT) surge arrestor.

DOBLE ENGINEERING COMPANY - USA
Doble Engineering Company is internationally recognized as a leader in products and services to maximize the safe and efficient delivery of electric power. Doble originally established its reputation by developing diagnostic test instruments to evaluate the condition of electric power assets. Doble also manufactures circuit breaker test systems and power system simulators, as well as on-line diagnostic devices that continuously monitor apparatus and material condition.

E.F. INTERNATIONAL S.A - Switzerland
E.F. International SA benefited from a unique experience in the atmospheric electricity field since the beginning of the 1970s. In 1982, E.F. patented the E.F. Carrier System of Lightning Protection which ensures the lightning protection required by the modern world since this system integrates the E.F. Lightning Carrier that conveys lightning in an electrically hermetic way. The E.F. Lightning Terminal uses the ESE technology. The E.F. Lightning Protection system is the only lightning protection system manufactured with a Quality Assurance System which meets the Swiss Standards SN 029 100 Category A, and is ISO 9001 rated, a standard which includes design/development, production, installation and servicing.

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