DRIESCHER Y WITTJOHANN, S.A. (DRIWISA) is a mexican corporation, founded in 1969, established in its own premises in Naucalpan, a northwestern suburb within Mexico City's metropolitan area.

Its manufacturing program comprises medium voltage (up to 38 kV) outdoor and indoor disconnector switches, both load-break and non load-break, grounding switches, current limiting fuses, and epoxic resin insulators for indoor use.

FRITZ DRIESCHER in Germany is a minority shareholder, providing technology, some parts and technical support to DRIWISA. Even if other reknown European and U.S. suppliers provide some clue parts, several product families are already completely made in Mexico.

Since its beginnings, DRIWISA has been able to maintain an excellent reputation within the Mexican market for its quality, customer-oriented service, versatility to offer customized equipments and best delivery times.

Multinational corporations (substations manufacturers) such as Groupe Schneider, Siemens, General Electric, Cutler Hammer, ABB and Alstom, among several local OEM's, switchgear and panel manufacturers in all countries on the American Continent are our main customers. To government-ruled utilities, like Comisión Federal de Electricidad, Petróleos Mexicanos and Luz y Fuerza del Centro, DRIWISA is also a well-known supplier.

Though the original designs only complied with IEC standards, they have been modified along the years to meet ANSI requirements as well. All DRIWISA switches are now able to meet the highest industry requirement either IEC or ANSI, whichever is more demanding.

Export activities began in 1985 and have been increased considerably since then. Main destinations for DRIWISA-products made in Mexico are the United States, Canada, Central and South America.

An average of 80 workers and employees represent the company's workforce, organized in a based on productivity and efficiency scheme, which results in a customer-oriented profile, high quality and fast response times.

Technical support and training to customers, distributors, representatives and final users have been dramatically expanded since 1993. Several courses, presentations, seminars and papers at conferences were held in the last years, together with participation at specific trade shows. Today, technical and commercial literature is available both in spanish and english, at the company's web site www.driwisa.com.

Due to improved products and a permanent cost-reduction program, a better price profile and competitiveness were gained, thus expanding horizons for the company. Commercial partnership has been the clue for the success and the local and overseas expansion plans foresee this scheme as a premise.