According to our records, this business is located at 49070 Milmont Dr. in Fremont (in Alameda County), California 94538, the location GPS coordinates are: 37.4577784 (latitude), -121.9194619 (longitude). Sumitomo Sitix Silicon Inc is categorized under Radiation Sensors (SIC code 3674). Known organization president is Kaz Nagano. Current estimates show that the unit has a sales volume of $76,950,000 and staff of approximately 150 people. You can contact the company by phone at (510) 651-3778; the following fax number is also provided: (510) 651-0716.