About | Profile
OSCA-ARCOSA Profile
 President:  Mr. Masashi Numano
 Vice-President:  Mr. Jose Luis Furlong
 Shared Capital:  $ 20.5 Million
 Established:  October, 1986
O&S California, Inc. (OSCA)
 US Corporate Sales Offices:  9731 Siempre Viva Rd. STE "E"
 San Diego, CA. 92154-7217  

 Phone Number: (619) 661-1800
 Fax Number: (619) 661-1900
 OSCA's Share Holders


 87.7% Onamba Co. Ltd.
 12.3% Sumitomo Electric Ind. Ltd.

 Arneses y Conexiones, SA de CV (ARCOSA)
 President:  Mr. José Luis Furlong
 Mexico Manufacturing
 Facilities: 		 Calle Uno Norte 1108
 Ciudad Industrial
 Tijuana B.C. 22444
 
 Phone Number: (664) 623-37-00
 Fax Number: (664) 623-35-61  

 100% Owned by O & S California (OSCA)
 Arneses y Conexiones Bajio, SA de CV (ARCOSA Bajio)
 Mexico Manufacturing
 Facilities: 		 Blvd. Sendai # 3,
 Parque Industrial Sendai
 Valle de Santiago, Guanajuato.
 CP 38422
 
 Phone Number: (456) 649-51-78
 
 100% Owned by O & S California (OSCA)
 Total Employees (As March 2025)
 OSCA
 ARCOSA
 BAJIO
 		  10
  510
 1006