According to our records, this business is located at 5937 Graham Ct # D in Livermore (in Alameda County), California 94550, the location GPS coordinates are: 31.7896713 (latitude), -106.4330379 (longitude). Seaway Semiconductor Inc is categorized under Radiation Sensors (SIC code 3674). Current estimates show that the unit has a sales volume of $13,851,000 and staff of approximately 27 people. You can contact the company by phone at (925) 373-8340; the following fax number is also provided: (925) 373-8335.