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O & S California, Inc. (OSCA) is the corporate and sales office of the Americas. We are located in San Diego, California USA. Created from the joint venture between two of the biggest wire manufactures of the world:

Onamba Co. Ltd. (Share 70%).
and Sumitomo Electric Ind. Ltd. (Share 30%).

Arneses y Conexiones, SA. de CV. (ARCOSA), one of our manufacturing facilities, is located in Tijuana, Baja California, Mexico. ARCOSA employs 350 people on 121,000 Sq. Feet (11,250 Sq Meters) of land, with 57,000 Sq. Feet (5,295 Sq. Meters) of manufacturing space.

ARCOSA (Arneses y Conexiones, SA. de CV.)