According to our records, this business is located at 48401 Fremont Blvd. in Fremont (in Alameda County), California 94538, the location GPS coordinates are: 37.4647601 (latitude), -121.9324845 (longitude). E S S Technology Inc is categorized under Radiation Sensors (SIC code 3674). Known organization chairman of the board is Fred Chan. Current estimates show that the unit has a sales volume of $195,273,000 and staff of approximately 498 people. You can contact the company by phone at (510) 492-1088.